private HRESULT _UpdateThumbnailClipping(bool attached)
{
Assert.IsNotNull(_window);
RefRECT interopRc = null;
if (attached && ThumbnailClipMargin != _EmptyThickness)
{
Thickness margin = ThumbnailClipMargin;
// Use the native GetClientRect. Window.ActualWidth and .ActualHeight include the non-client areas.
RECT physicalClientRc = NativeMethods.GetClientRect(_hwndSource.Handle);
Rect logicalClientRc = DpiHelper.DeviceRectToLogical(new Rect(physicalClientRc.Left, physicalClientRc.Top, physicalClientRc.Width, physicalClientRc.Height));
// Crop the clipping to ensure that the margin doesn't overlap itself.
if (margin.Left + margin.Right >= logicalClientRc.Width ||
margin.Top + margin.Bottom >= logicalClientRc.Height)
{
interopRc = new RefRECT(0, 0, 0, 0);
}
else
{
Rect logicalClip = new Rect(margin.Left, margin.Top, logicalClientRc.Width - margin.Left - margin.Right, logicalClientRc.Height - margin.Top - margin.Bottom);
Rect physicalClip = DpiHelper.LogicalRectToDevice(logicalClip);
interopRc = new RefRECT((int)physicalClip.Left, (int)physicalClip.Top, (int)physicalClip.Right, (int)physicalClip.Bottom);
}
}
// This will fail in the interop layer if called too early.
HRESULT hr = _taskbarList.SetThumbnailClip(_hwndSource.Handle, interopRc);
Assert.IsTrue(hr.Succeeded);
return(hr);
}
private HRESULT _UpdateThumbnailClipping(bool attached)
{
Assert.IsNotNull(_window);
RefRECT interopRc = null;
if (attached && ThumbnailClipMargin != _EmptyThickness)
{
var margin = ThumbnailClipMargin;
var physicalClientRc = NativeMethods.GetClientRect(_hwndSource.Handle);
var logicalClientRc =
DpiHelper.DeviceRectToLogical(new Rect(physicalClientRc.Left, physicalClientRc.Top, physicalClientRc.Width, physicalClientRc.Height));
if (margin.Left + margin.Right >= logicalClientRc.Width || margin.Top + margin.Bottom >= logicalClientRc.Height)
{
interopRc = new RefRECT(0, 0, 0, 0);
}
else
{
var logicalClip = new Rect(margin.Left, margin.Top, logicalClientRc.Width - margin.Left - margin.Right,
logicalClientRc.Height - margin.Top - margin.Bottom);
var physicalClip = DpiHelper.LogicalRectToDevice(logicalClip);
interopRc = new RefRECT((int)physicalClip.Left, (int)physicalClip.Top, (int)physicalClip.Right, (int)physicalClip.Bottom);
}
}
var hr = _taskbarList.SetThumbnailClip(_hwndSource.Handle, interopRc);
Assert.IsTrue(hr.Succeeded);
return(hr);
}
void UpdateTaskbarThumbnailRect()
{
var BrowserRect = new WinAPI.RECT();
WinAPI.GetWindowRect(this.Handle, out BrowserRect);
var _rp = new Point();
_rp.X = BrowserRect.left;
_rp.Y = BrowserRect.top;
WinAPI.ScreenToClient(this.FormParent.Handle, out _rp);
BrowserRect.right = _rp.X + (BrowserRect.right - BrowserRect.left);
BrowserRect.bottom = _rp.Y + (BrowserRect.bottom - BrowserRect.top);
BrowserRect.left = _rp.X;
BrowserRect.top = _rp.Y;
var _g = GCHandle.Alloc(BrowserRect, GCHandleType.Pinned);
IntPtr _p = _g.AddrOfPinnedObject();
TaskbarList.SetThumbnailClip(this.FormParent.Handle, _p);
_g.Free();
}