public static HwndRectInfo GetRectInfo(IntPtr hwnd)
{
var clientNativeRect = NativeMethodsSafe.GetClientRect(hwnd);
var windowScreenNativeRect = NativeMethodsSafe.GetWindowRect(hwnd);
var topLeft = NativeMethodsSafe.ClientToScreen(hwnd, clientNativeRect.Position);
var bottomRight = NativeMethodsSafe.ClientToScreen(hwnd, new POINT {
x = clientNativeRect.Right, y = clientNativeRect.Bottom
});
var clientScreenNativeRect = new RECT
{
Left = topLeft.x,
Top = topLeft.y,
Right = bottomRight.x,
Bottom = bottomRight.y
};
return(new HwndRectInfo(windowScreenNativeRect.ToPresentationRect(), clientNativeRect.ToPresentationRect(), clientScreenNativeRect.ToPresentationRect()));
}
public static WindowHitTestResult HitTest(IntPtr hwnd)
{
if (hwnd == IntPtr.Zero)
{
return(WindowHitTestResult.Outside);
}
var hwndRectInfo = GetRectInfo(hwnd);
var cursorPoint = NativeMethodsSafe.GetCursorPos().ToPresentationPoint();
var insideClientArea = hwndRectInfo.ClientScreenRect.Contains(cursorPoint);
var insideWindow = hwndRectInfo.WindowScreenRect.Contains(cursorPoint);
if (insideWindow == false)
{
return(WindowHitTestResult.Outside);
}
return(insideClientArea ? WindowHitTestResult.ClientArea : WindowHitTestResult.NonClientArea);
}
private static Point GetScreenPosition()
{
return(NativeMethodsSafe.GetCursorPos().ToPresentationPoint());
}
private Point GetScreenPosition(IntPtr handle, IntPtr lParam)
{
return(NativeMethodsSafe.ClientToScreen(handle, WinAPIHelper.GetPoint(lParam)).ToPresentationPoint());
}