public static void UpdateLayeredWindow(IntPtr hwnd, Standard.SafeDC hdcDst, ref Standard.POINT pptDst, ref Standard.SIZE psize, Standard.SafeDC hdcSrc, ref Standard.POINT pptSrc, int crKey, ref Standard.BLENDFUNCTION pblend, Standard.ULW dwFlags)
{
if (!_UpdateLayeredWindow(hwnd, hdcDst, ref pptDst, ref psize, hdcSrc, ref pptSrc, crKey, ref pblend, dwFlags))
{
Standard.HRESULT.ThrowLastError();
}
}
/// <summary>
/// Try to get the relative mouse position to the given handle in client coordinates.
/// </summary>
/// <param name="hWnd">The handle for this method.</param>
public static bool TryGetRelativeMousePosition(IntPtr hWnd, out System.Windows.Point point)
{
Standard.POINT pt = new Standard.POINT();
var returnValue = hWnd != IntPtr.Zero && Standard.NativeMethods.TryGetPhysicalCursorPos(out pt);
if (returnValue)
{
Standard.NativeMethods.ScreenToClient(hWnd, ref pt);
point = new System.Windows.Point(pt.x, pt.y);
}
else
{
point = new System.Windows.Point();
}
return(returnValue);
}
private static extern bool _UpdateLayeredWindow(IntPtr hwnd, Standard.SafeDC hdcDst, [In] ref Standard.POINT pptDst, [In] ref Standard.SIZE psize, Standard.SafeDC hdcSrc, [In] ref Standard.POINT pptSrc, int crKey, ref Standard.BLENDFUNCTION pblend, Standard.ULW dwFlags);
