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);
}
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)
{
RefRECT prcClip = null;
if (attached && this.ThumbnailClipMargin != TaskbarItemInfo._EmptyThickness)
{
Thickness thumbnailClipMargin = this.ThumbnailClipMargin;
RECT clientRect = NativeMethods.GetClientRect(this._hwndSource.Handle);
Rect rect = DpiHelper.DeviceRectToLogical(new Rect((double)clientRect.Left, (double)clientRect.Top, (double)clientRect.Width, (double)clientRect.Height));
if (thumbnailClipMargin.Left + thumbnailClipMargin.Right >= rect.Width || thumbnailClipMargin.Top + thumbnailClipMargin.Bottom >= rect.Height)
{
prcClip = new RefRECT(0, 0, 0, 0);
}
else
{
Rect logicalRectangle = new Rect(thumbnailClipMargin.Left, thumbnailClipMargin.Top, rect.Width - thumbnailClipMargin.Left - thumbnailClipMargin.Right, rect.Height - thumbnailClipMargin.Top - thumbnailClipMargin.Bottom);
Rect rect2 = DpiHelper.LogicalRectToDevice(logicalRectangle);
prcClip = new RefRECT((int)rect2.Left, (int)rect2.Top, (int)rect2.Right, (int)rect2.Bottom);
}
}
return(this._taskbarList.SetThumbnailClip(this._hwndSource.Handle, prcClip));
}
