Set up IHostEnvironment

2022-03-27 15:44:43 +01:00
parent 6f20f5d1ba
commit 40d8caf1e0
39 changed files with 478 additions and 209 deletions
@@ -0,0 +1,62 @@
+using System.Runtime.InteropServices;
+using Windows.Win32.Foundation;
+
+namespace Windows.Win32
+{
+    public static partial class PInvoke
+    {
+        public static readonly int SPI_SETWORKAREA = 0x002F;
+        public static readonly uint WM_TASKBARCREATED = PInvoke.RegisterWindowMessage("TaskbarCreated");
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct AppBarData
+        {
+            public uint cbSize;
+            public IntPtr hWnd;
+            public uint uCallbackMessage;
+            public AppBarEdge uEdge;
+            public RECT rect;
+            public int lParam;
+        }
+
+        public enum AppBarMessage : uint
+        {
+            New = 0x00000000,
+            Remove = 0x00000001,
+            QueryPos = 0x00000002,
+            SetPos = 0x00000003,
+            GetState = 0x00000004,
+            GetTaskbarPos = 0x00000005,
+            Activate = 0x00000006,
+            GetAutoHideBar = 0x00000007,
+            SetAutoHideBar = 0x00000008,
+            WindowPosChanged = 0x00000009,
+            SetState = 0x0000000A,
+        }
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr DefWindowProcW(IntPtr handle, uint msg, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("shell32.dll", SetLastError = true)]
+        public static extern IntPtr SHAppBarMessage(AppBarMessage dwMessage, ref AppBarData pData);
+
+        public static AppBarData GetAppBarData(IntPtr handle)
+        {
+            return new AppBarData
+            {
+                cbSize = (uint)Marshal.SizeOf(typeof(AppBarData)),
+                hWnd = handle
+            };
+        }
+
+        public enum AppBarEdge : uint
+        {
+            Left = 0,
+            Top = 1,
+            Right = 2,
+            Bottom = 3
+        }
+
+        public static void GetAppBarPosition(ref AppBarData appBarData) => SHAppBarMessage(AppBarMessage.GetTaskbarPos, ref appBarData);
+    }
+}