void ApplyRegion(Rect wndRect)
{
if (!this.CanTransform())
{
return;
}
wndRect = new Rect(
this.TransformFromDeviceDPI(wndRect.TopLeft),
this.TransformFromDeviceDPI(wndRect.Size));
_lastApplyRect = wndRect;
if (PresentationSource.FromVisual(this) == null)
{
return;
}
if (_dockingManager != null)
{
List <Rect> otherRects = new List <Rect>();
foreach (Window fl in Window.GetWindow(_dockingManager).OwnedWindows)
{
//not with myself!
if (fl == this)
{
continue;
}
if (!fl.IsVisible)
{
continue;
}
//Issue 11545, thx to SrdjanPolic
Rect flRect = new Rect(
PointFromScreen(new Point(fl.Left, fl.Top)),
PointFromScreen(new Point(fl.Left + fl.RestoreBounds.Width, fl.Top + fl.RestoreBounds.Height)));
if (flRect.IntersectsWith(wndRect) && fl.AllowsTransparency == false)
{
otherRects.Add(Rect.Intersect(flRect, wndRect));
}
//Rect flRect = new Rect(
// PointFromScreen(new Point(fl.Left, fl.Top)),
// PointFromScreen(new Point(fl.Left + fl.Width, fl.Top + fl.Height)));
//if (flRect.IntersectsWith(wndRect))
// otherRects.Add(Rect.Intersect(flRect, wndRect));
}
IntPtr hDestRegn = InteropHelper.CreateRectRgn(
(int)wndRect.Left,
(int)wndRect.Top,
(int)wndRect.Right,
(int)wndRect.Bottom);
foreach (Rect otherRect in otherRects)
{
IntPtr otherWin32Rect = InteropHelper.CreateRectRgn(
(int)otherRect.Left,
(int)otherRect.Top,
(int)otherRect.Right,
(int)otherRect.Bottom);
InteropHelper.CombineRgn(hDestRegn, hDestRegn, otherWin32Rect, (int)InteropHelper.CombineRgnStyles.RGN_DIFF);
}
InteropHelper.SetWindowRgn(new WindowInteropHelper(this).Handle, hDestRegn, true);
}
}
private void ApplyRegion(Rect wndRect)
{
if (!this.CanTransform())
{
return;
}
wndRect = new Rect(
this.TransformFromDeviceDPI(wndRect.TopLeft),
this.TransformFromDeviceDPI(wndRect.Size));
_lastApplyRect = wndRect;
if (PresentationSource.FromVisual(this) == null)
{
return;
}
if (_dockingManager != null)
{
var otherRects = new List <Rect>();
foreach (Window fl in GetWindow(_dockingManager).OwnedWindows)
{
//not with myself!
if (fl == this)
{
continue;
}
if (!fl.IsVisible)
{
continue;
}
var flRect = new Rect(
PointFromScreen(new Point(fl.Left, fl.Top)),
PointFromScreen(new Point(fl.Left + fl.Width, fl.Top + fl.Height)));
if (flRect.IntersectsWith(wndRect))
{
otherRects.Add(Rect.Intersect(flRect, wndRect));
}
}
var hDestRegn = InteropHelper.CreateRectRgn(
(int)wndRect.Left,
(int)wndRect.Top,
(int)wndRect.Right,
(int)wndRect.Bottom);
foreach (var otherRect in otherRects)
{
var otherWin32Rect = InteropHelper.CreateRectRgn(
(int)otherRect.Left,
(int)otherRect.Top,
(int)otherRect.Right,
(int)otherRect.Bottom);
InteropHelper.CombineRgn(hDestRegn, hDestRegn, otherWin32Rect,
(int)InteropHelper.CombineRgnStyles.RGN_DIFF);
}
InteropHelper.SetWindowRgn(new WindowInteropHelper(this).Handle, hDestRegn, true);
}
}