internal static bool BeginDrag(UIElement container, IWindow topLevelWindow, MouseButtonEventArgs e)
{
UIElement element = e.OriginalSource as UIElement;
WindowHotspot hotspot = WindowHotspot.None;
while (element != null && element != container)
{
hotspot = GetHotspot(element);
if (hotspot != WindowHotspot.None)
{
break;
}
element = VisualTreeHelper.GetParent(element) as UIElement;
}
if (hotspot == WindowHotspot.None)
{
return(false);
}
if (e.ClickCount == 1)
{
DragHandler.Default.BeginDrag(topLevelWindow, element, e);
e.Handled = true;
return(true);
}
return(false);
}
public void BeginDrag(IWindow window, UIElement source, MouseEventArgs e)
{
_window = window;
_hotspot = WindowControl.GetHotspot(source);
Window.UpdateLayout();
_lastWindowBounds = window.ActualBounds;
_originWindowBounds = window.Bounds;
DragDetect(source, e);
}
/// <summary>Sets the value of <see cref="P:DevZest.Windows.WindowControl.Hotspot"/> attached property for a given dependency object.</summary>
/// <param name="element">The element to which the property value is written.</param>
/// <param name="value">The value of <see cref="P:DevZest.Windows.WindowControl.Hotspot"/> attached property.</param>
public static void SetHotspot(DependencyObject element, WindowHotspot value)
{
element.SetValue(HotspotProperty, value);
}
