private void LayoutRoot_Loaded(object sender, RoutedEventArgs e)
{
if (MyMainPage.floatChatReal == null)
{
MyMainPage.initializeFloatChat();
}
System.Windows.Media.GeneralTransform gt = lstTraditionalHost.TransformToVisual(Application.Current.RootVisual);
Point offset = gt.Transform(new Point(lstTraditionalHost.Width + 30, 0));
MyMainPage.floatChatReal.Position = offset;
MyMainPage.refreshFloatChat(lstTraditionalHost.ActualHeight / 1.5, lstTraditionalHost.ActualHeight);
}
/// <summary>
/// Scrolls and item into view.
/// </summary>
/// <param name="item">The item to scroll into view.</param>
public void ScrollIntoView(object item)
{
if (this.scrollViewer != null && this.containersByItem.ContainsKey(item))
{
MatchingTermItemContainer container = this.containersByItem[item];
if (System.Windows.Media.VisualTreeHelper.GetParent(container) != null)
{
System.Windows.Media.GeneralTransform transform = container.TransformToVisual(this.scrollViewer);
double verticalOffset = transform.Transform(new Point(0, 0)).Y;
if (verticalOffset + container.ActualHeight > this.scrollViewer.ViewportHeight)
{
this.scrollViewer.ScrollToVerticalOffset(this.scrollViewer.VerticalOffset + (verticalOffset - this.scrollViewer.ViewportHeight) + container.ActualHeight);
}
else if (verticalOffset < 0)
{
this.scrollViewer.ScrollToVerticalOffset(this.scrollViewer.VerticalOffset + verticalOffset);
}
}
}
}
private IntPtr GetWin32InfoFromUIElement(System.Windows.UIElement uiElement, out System.Drawing.Rectangle rect)
{
// Convert UIElement to Rectangle
System.Windows.Media.Matrix matrix;
System.Windows.PresentationSource presentationSource = System.Windows.PresentationSource.FromVisual(uiElement);
if (presentationSource == null)
{
throw new InvalidOperationException("The specified UiElement is not connected to a rendering Visual Tree.");
}
try
{
System.Windows.Media.GeneralTransform generalTransform = uiElement.TransformToAncestor(presentationSource.RootVisual);
System.Windows.Media.Transform transform = generalTransform as System.Windows.Media.Transform;
if (transform == null)
{
throw new ApplicationException("//TODO: Handle GeneralTransform Case - introduced by Transforms Breaking Change");
}
matrix = transform.Value;
}
catch (InvalidOperationException)
{
throw new InvalidOperationException("The specified UiElement is not connected to a rendering Visual Tree.");
}
System.Windows.Rect rect1 = new System.Windows.Rect(new System.Windows.Point(), uiElement.RenderSize);
rect1.Transform(matrix);
System.Windows.Point point1 = rect1.TopLeft;
point1 = presentationSource.CompositionTarget.TransformToDevice.Transform(point1);
Point point2 = new Point((int)point1.X, (int)point1.Y);
IntPtr hwnd = ((System.Windows.Interop.HwndSource)presentationSource).Handle; // PresentaionSource.RootVisual ?
User32.ClientToScreen(hwnd, ref point2);
rect = new System.Drawing.Rectangle(point2, new System.Drawing.Size(
Convert.ToInt32(Microsoft.Test.Display.Monitor.ConvertLogicalToScreen(Microsoft.Test.Display.Dimension.Width, uiElement.RenderSize.Width)),
Convert.ToInt32(Microsoft.Test.Display.Monitor.ConvertLogicalToScreen(Microsoft.Test.Display.Dimension.Height, uiElement.RenderSize.Height))));
return(hwnd);
}
System.Windows.Media.GeneralTransform MS.Internal.Annotations.Component.IAnnotationComponent.GetDesiredTransform(System.Windows.Media.GeneralTransform transform)
{
return(default(System.Windows.Media.GeneralTransform));
}
public virtual new System.Windows.Media.GeneralTransform GetDesiredTransform(System.Windows.Media.GeneralTransform transform)
{
return(default(System.Windows.Media.GeneralTransform));
}
