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Prevent window from stealing focus

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This commit is contained in:
TheXamlGuy
2024-01-16 08:31:03 +00:00
parent 99855e77b9
commit 86603a6567
5 changed files with 67 additions and 17 deletions
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Hyperbar.Windows.Interop/HwndExtensions.cs
+16 -2
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@@ -15,8 +15,23 @@ public static class HwndExtensions
WS_EX_LAYERED = 0x80000
}
public static void SetExtendedWindowStyle(this IntPtr hwnd, ExtendedWindowStyle newStyle)
{
int windowLong = PInvoke.GetWindowLong(new(hwnd), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
if (PInvoke.SetWindowLong(new(hwnd), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newStyle) != windowLong)
{
Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
}
PInvoke.SetWindowPos(new(hwnd), new HWND(0), 0, 0, 0, 0, SET_WINDOW_POS_FLAGS.SWP_DRAWFRAME |
SET_WINDOW_POS_FLAGS.SWP_NOMOVE |
SET_WINDOW_POS_FLAGS.SWP_NOOWNERZORDER |
SET_WINDOW_POS_FLAGS.SWP_NOSIZE |
SET_WINDOW_POS_FLAGS.SWP_NOZORDER);
}
public static void SetWindowOpacity(this IntPtr hWnd,
byte value)
byte value)
{
HWND hWND = new(hWnd);
WindowStyles windowLong = (WindowStyles)PInvoke.GetWindowLong(hWND, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
@@ -30,7 +45,6 @@ public static class HwndExtensions
Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
}
}
public static void SetWindowStyle(this IntPtr hwnd,
WindowStyle newStyle)
{