Daniel Clark
448 lines
17 KiB
C#
448 lines
17 KiB
C#
using System.Diagnostics.CodeAnalysis;
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using System.Reflection;
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using System.Windows;
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using System.Windows.Data;
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using System.Windows.Markup;
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namespace TheXamlGuy.UI.WPF;
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public partial class InvokeExtension : TriggerExtension
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{
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private static readonly DependencyProperty ParameterProperty =
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DependencyProperty.RegisterAttached("Parameter",
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typeof(object), typeof(InvokeExtension));
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private static readonly DependencyProperty TargetProperty =
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DependencyProperty.RegisterAttached("Target",
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typeof(object), typeof(InvokeExtension));
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private readonly Dictionary<Type, Delegate?> dummyHandlers = new();
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private readonly string name;
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private readonly List<object> parameters = new();
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private PropertyChangedRevoker? dataContextPropertyChangedRevoker;
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public InvokeExtension(string name)
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{
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this.name = name;
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}
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public InvokeExtension(string name,
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object args1)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10,
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object args11)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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parameters.Add(args11 is MarkupExtension ? args11 : args11.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10,
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object args11,
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object args12)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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parameters.Add(args11 is MarkupExtension ? args11 : args11.ToBinding());
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parameters.Add(args12 is MarkupExtension ? args12 : args12.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10,
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object args11,
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object args12,
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object args13)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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parameters.Add(args11 is MarkupExtension ? args11 : args11.ToBinding());
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parameters.Add(args12 is MarkupExtension ? args12 : args12.ToBinding());
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parameters.Add(args13 is MarkupExtension ? args13 : args13.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10,
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object args11,
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object args12,
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object args13,
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object args14)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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parameters.Add(args11 is MarkupExtension ? args11 : args11.ToBinding());
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parameters.Add(args12 is MarkupExtension ? args12 : args12.ToBinding());
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parameters.Add(args13 is MarkupExtension ? args13 : args13.ToBinding());
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parameters.Add(args14 is MarkupExtension ? args14 : args14.ToBinding());
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}
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public InvokeExtension(string name,
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object args1,
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object args2,
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object args3,
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object args4,
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object args5,
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object args6,
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object args7,
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object args8,
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object args9,
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object args10,
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object args11,
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object args12,
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object args13,
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object args14,
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object args15)
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{
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this.name = name;
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parameters.Add(args1 is MarkupExtension ? args1 : args1.ToBinding());
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parameters.Add(args2 is MarkupExtension ? args2 : args2.ToBinding());
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parameters.Add(args3 is MarkupExtension ? args3 : args3.ToBinding());
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parameters.Add(args4 is MarkupExtension ? args4 : args4.ToBinding());
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parameters.Add(args5 is MarkupExtension ? args5 : args5.ToBinding());
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parameters.Add(args6 is MarkupExtension ? args6 : args6.ToBinding());
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parameters.Add(args7 is MarkupExtension ? args7 : args7.ToBinding());
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parameters.Add(args8 is MarkupExtension ? args8 : args8.ToBinding());
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parameters.Add(args9 is MarkupExtension ? args9 : args9.ToBinding());
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parameters.Add(args10 is MarkupExtension ? args10 : args10.ToBinding());
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parameters.Add(args11 is MarkupExtension ? args11 : args11.ToBinding());
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parameters.Add(args12 is MarkupExtension ? args12 : args12.ToBinding());
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parameters.Add(args13 is MarkupExtension ? args13 : args13.ToBinding());
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parameters.Add(args14 is MarkupExtension ? args14 : args14.ToBinding());
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parameters.Add(args15 is MarkupExtension ? args15 : args15.ToBinding());
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}
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public Binding? BindingTarget { get; set; }
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protected override void OnInvoked(object sender, EventArgs args)
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{
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if (sender is DependencyObject dependencyObject)
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{
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if (!TryGetDataContext(dependencyObject, out object dataContext))
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{
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dataContextPropertyChangedRevoker = new PropertyChangedRevoker(dependencyObject, FrameworkElement.DataContextProperty, OnDataContextPropertyChangedChanged);
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void OnDataContextPropertyChangedChanged(object sender, DependencyPropertyChangedEventArgs _)
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{
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if (TryGetDataContext(dependencyObject, out dataContext))
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{
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dataContextPropertyChangedRevoker?.Dispose();
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CreaterHandler(dependencyObject, args, dataContext);
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}
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}
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}
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else
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{
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CreaterHandler(dependencyObject, args, dataContext);
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}
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}
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}
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private bool TryGetInvoke(DependencyObject sender, object dataContext, [AllowNull]out MethodInfo? methodInfo)
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{
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methodInfo = null;
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if (dataContext.GetType().GetMethod(name, BindingFlags.Public | BindingFlags.Instance) is MethodInfo dataContextMethodInfo)
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{
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methodInfo = dataContextMethodInfo;
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return true;
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}
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if (sender.GetType().GetMethod(name, BindingFlags.Public | BindingFlags.Instance) is MethodInfo senderMethodInfo)
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{
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methodInfo = senderMethodInfo;
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return true;
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}
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return false;
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}
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private void CreaterHandler(DependencyObject sender, EventArgs args, object dataContext)
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{
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if (TryGetInvoke(sender, dataContext, out MethodInfo? methodInfo))
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{
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ParameterInfo[] parameterInfo = methodInfo!.GetParameters();
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List<object> parameters = new();
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foreach (object? parameter in this.parameters)
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{
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switch (parameter)
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{
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case IParameter keyedParameter:
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BindingOperations.SetBinding(sender, ParameterProperty, parameter.ToBinding());
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parameters.Add(new KeyValuePair<string, object>(keyedParameter.Key, (dynamic)sender.GetValue(ParameterProperty)));
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break;
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case IEventParameter eventParameter:
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parameters.AddRange(eventParameter.GetParameters(args));
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break;
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default:
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BindingOperations.SetBinding(sender, ParameterProperty, parameter.ToBinding());
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parameters.Add((dynamic)sender.GetValue(ParameterProperty));
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break;
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}
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}
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if (methodInfo is { })
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{
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methodInfo.Invoke(dataContext, parameters.Any() ? parameters.ToArray() : parameterInfo.Length > 0 ? new object?[] { null } : Array.Empty<object>());
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}
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}
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}
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private bool TryGetDataContext(DependencyObject sender, out object dataContext)
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{
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if (BindingTarget is not null)
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{
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BindingOperations.SetBinding(sender, TargetProperty, BindingTarget);
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dataContext = sender.GetValue(TargetProperty);
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}
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else
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{
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dataContext = sender.GetValue(FrameworkElement.DataContextProperty) ?? sender.GetValue(FrameworkContentElement.DataContextProperty);
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}
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return dataContext is not null;
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}
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} |