Slide 6
Slide 6 text
Transparent Child Window support
UsesPerPixelTransparency property
HwndSourceParameters 構造体に追加
true を指定すると作成したウィンドウが透過
var windowParams = new HwndSourceParameters("ChildWindow")
{
ParentWindow = parentWindowHandle,
WindowStyle = WS_CHILDWINDOW | WS_CLIPCHILDREN WS_VISIBLE,
PositionX = 200,
PositionY = 150,
UsesPerPixelTransparency = true,
};
var source = new HwndSource(windowParams);
これ