private void UpdateBounds()
{
// TargetElement sometimes becomes null inside this method. Not sure how or why. -- MartinG
// --> Copy the reference first and work with copy!
var targetElement = _targetElement;
if (targetElement != null && targetElement.IsVisible)
{
Point position = targetElement.PointToScreen(new Point(0, 0));
position = DockHelper.ScreenToLogical(this, position);
Left = position.X;
Top = position.Y;
Width = targetElement.ActualWidth;
Height = targetElement.ActualHeight;
}
}
/// <summary>
/// Gets the position of a <see cref="FloatWindow"/> if one would be shown at the current
/// mouse position.
/// </summary>
/// <returns>The <see cref="FloatWindow"/> position.</returns>
private Point GetFloatWindowPosition()
{
Debug.Assert(_dockControl != null);
// Mouse position relative to DockControl in device-independent pixels.
Point position = WindowsHelper.GetMousePosition(_dockControl);
// Absolute mouse position in native screen coordinates.
position = _dockControl.PointToScreen(position);
// Absolute mouse position in device-independent pixels.
position = DockHelper.ScreenToLogical(_dockControl, position);
// Offset between window origin and mouse cursor.
position -= _mouseOffset;
return(position);
}