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Hide window from task switcher

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This commit is contained in:
Daniel Clark
2021-02-08 17:33:32 +00:00
parent 1dc40961ff
commit 0b33b049b0
4 changed files with 37 additions and 17 deletions
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NotificationFlyout.Sample/NotificationFlyoutPresenter.xaml
+12 -4
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@@ -3,14 +3,22 @@
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:controls="using:NotificationFlyout.Uwp.UI.Controls"> xmlns:controls="using:NotificationFlyout.Uwp.UI.Controls">
<Grid <StackPanel
Width="330" Width="330"
Height="360" Height="500"
Margin="24"> Margin="24">
<ComboBox x:Name="test" Margin="0,0,0,8" SelectionChanged="test_SelectionChanged"> <ComboBox
x:Name="test"
Margin="0,0,0,8"
SelectionChanged="test_SelectionChanged">
<ComboBoxItem>System</ComboBoxItem> <ComboBoxItem>System</ComboBoxItem>
<ComboBoxItem>Dark</ComboBoxItem> <ComboBoxItem>Dark</ComboBoxItem>
<ComboBoxItem>Light</ComboBoxItem> <ComboBoxItem>Light</ComboBoxItem>
</ComboBox> </ComboBox>
</Grid> <Button Margin="0,0,0,8" Content="Button" />
<Slider Margin="0,0,0,8" />
<TextBox Margin="0,0,0,8" />
<ToggleButton Margin="0,0,0,8" />
<CalendarView Margin="0,0,0,8" />
</StackPanel>
</controls:NotificationFlyoutPresenter> </controls:NotificationFlyoutPresenter>
NotificationFlyout.Wpf.UI.Controls/NotificationFlyout/NotificationFlyoutXamlHost.cs
+1 -1
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@@ -96,7 +96,7 @@ namespace NotificationFlyout.Wpf.UI.Controls
UpdateWindow(); UpdateWindow();
UpdateIcon(); UpdateIcon();
this.Hidden();
} }
private void OnTaskbarChanged(object sender, EventArgs args) private void OnTaskbarChanged(object sender, EventArgs args)
NotificationFlyout.Wpf.UI/Extensions/WindowExtensions.cs
+21 -11
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@@ -7,6 +7,8 @@ namespace NotificationFlyout.Wpf.UI.Extensions
{ {
public static class WindowExtensions public static class WindowExtensions
{ {
private const int GWL_EX_STYLE = -20;
[Flags] [Flags]
private enum WindowFlag : uint private enum WindowFlag : uint
{ {
@@ -15,17 +17,9 @@ namespace NotificationFlyout.Wpf.UI.Extensions
SWP_NOZORDER = 0x0004, SWP_NOZORDER = 0x0004,
SWP_NOACTIVATE = 0x0010, SWP_NOACTIVATE = 0x0010,
WS_EX_NOACTIVATE = 0x08000000, WS_EX_NOACTIVATE = 0x08000000,
SWP_SHOWWINDOW = 0x0040 SWP_SHOWWINDOW = 0x0040,
} WS_EX_APPWINDOW = 0x00040000,
WS_EX_TOOLWINDOW = 0x00000080
public static void SetWindowPosition(this Window window, double top, double left, double height, double width)
{
PInvoke.SetWindowPos((HWND)window.GetHandle(), (HWND)IntPtr.Zero, (int)left, (int)top, (int)width, (int)height, (uint)WindowFlag.SWP_NOSIZE | (uint)WindowFlag.SWP_NOZORDER | (uint)WindowFlag.SWP_NOACTIVATE);
}
public static void SetTopAll(this Window window)
{
PInvoke.SetWindowPos((HWND)window.GetHandle(), (HWND)new IntPtr(-1), 0, 0, 0, 0, (uint)WindowFlag.SWP_NOMOVE | (uint)WindowFlag.SWP_NOSIZE | (uint)WindowFlag.WS_EX_NOACTIVATE);
} }
public static IntPtr GetHandle(this Window window) public static IntPtr GetHandle(this Window window)
@@ -33,5 +27,21 @@ namespace NotificationFlyout.Wpf.UI.Extensions
var helper = new WindowInteropHelper(window); var helper = new WindowInteropHelper(window);
return helper.Handle; return helper.Handle;
} }
public static void Hidden(this Window window)
{
var handle = window.GetHandle();
PInvoke.SetWindowLong((HWND)handle, GWL_EX_STYLE, (PInvoke.GetWindowLong((HWND)handle, GWL_EX_STYLE) | (int)WindowFlag.WS_EX_TOOLWINDOW) & ~(int)WindowFlag.WS_EX_APPWINDOW);
}
public static void SetTopAll(this Window window)
{
PInvoke.SetWindowPos((HWND)window.GetHandle(), (HWND)new IntPtr(-1), 0, 0, 0, 0, (uint)WindowFlag.SWP_NOMOVE | (uint)WindowFlag.SWP_NOSIZE | (uint)WindowFlag.WS_EX_NOACTIVATE);
}
public static void SetWindowPosition(this Window window, double top, double left, double height, double width)
{
PInvoke.SetWindowPos((HWND)window.GetHandle(), (HWND)IntPtr.Zero, (int)left, (int)top, (int)width, (int)height, (uint)WindowFlag.SWP_NOSIZE | (uint)WindowFlag.SWP_NOZORDER | (uint)WindowFlag.SWP_NOACTIVATE);
}
} }
} }
NotificationFlyout.Wpf.UI/NativeMethods.txt
+2
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@@ -9,3 +9,5 @@ RegisterWindowMessage
FindWindow FindWindow
SHAppBarMessage SHAppBarMessage
SetWindowPos SetWindowPos
GetWindowLong
SetWindowLong