| public static IsMousePhysicallyOver ( UIElement element ) : bool | ||
| element | UIElement | Element |
| return | bool | |
/// <summary>
/// Invoked when an unhandled System.Windows.UIElement.PreviewMouseLeftButtonDown routed event
/// reaches an element in its route that is derived from this class. Implement this method to add
/// class handling for this event.
/// </summary>
/// <param name="e">The System.Windows.Input.MouseButtonEventArgs that contains the event data.
/// The event data reports that the left mouse button was pressed.</param>
protected override void OnPreviewMouseLeftButtonDown(System.Windows.Input.MouseButtonEventArgs e)
{
if (!PopupService.IsMousePhysicallyOver(button))
{
base.OnPreviewMouseLeftButtonDown(e);
}
}
/// <summary>
/// Invoked when an unhandled System.Windows.UIElement.PreviewMouseLeftButtonDown routed event
/// reaches an element in its route that is derived from this class. Implement this method to add
/// class handling for this event.
/// </summary>
/// <param name="e">The System.Windows.Input.MouseButtonEventArgs that contains the event data.
/// The event data reports that the left mouse button was pressed.</param>
protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (!PopupService.IsMousePhysicallyOver(this.button))
{
base.OnPreviewMouseLeftButtonDown(e);
}
else
{
this.IsDropDownOpen = false;
}
}
/// <summary>
/// Called when the left mouse button is released.
/// </summary>
/// <param name="e">The event data for the <see cref="E:System.Windows.UIElement.MouseLeftButtonUp"/> event.</param>
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
if (e.ClickCount == 1)
{
if (this.IsSplited)
{
var buttonBorder = this.GetTemplateChild("PART_ButtonBorder") as Border;
if (buttonBorder != null &&
PopupService.IsMousePhysicallyOver(buttonBorder))
{
this.OnClick();
}
}
}
base.OnMouseLeftButtonUp(e);
}
/// <inheritdoc />
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
if (e.ClickCount == 1)
{
if (this.IsSplited)
{
if (this.GetTemplateChild("PART_ButtonBorder") is Border buttonBorder &&
PopupService.IsMousePhysicallyOver(buttonBorder))
{
this.OnClick();
}
}
else if (this.HasItems)
{
this.IsSubmenuOpen = !this.IsSubmenuOpen;
}
}
base.OnMouseLeftButtonUp(e);
}
/// <summary>
/// Handles dismiss popup event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public static void OnDismissPopup(object sender, DismissPopupEventArgs e)
{
IDropDownControl control = sender as IDropDownControl;
if (control == null)
{
return;
}
if (e.DismissMode == DismissPopupMode.Always)
{
if (Mouse.Captured == control)
{
Mouse.Capture(null);
}
// Debug.WriteLine("DropDown Closed");
control.IsDropDownOpen = false;
}
else
{
if ((control.IsDropDownOpen) && (!PopupService.IsMousePhysicallyOver(control.DropDownPopup.Child)))
{
if (Mouse.Captured == control)
{
Mouse.Capture(null);
}
// Debug.WriteLine("DropDown Closed");
control.IsDropDownOpen = false;
}
else
{
if ((control.IsDropDownOpen) && (Mouse.Captured != control))
{
Mouse.Capture(sender as IInputElement, CaptureMode.SubTree);
}
if (control.IsDropDownOpen)
{
e.Handled = true;
}
}
}
}
/// <summary>
/// Called when the left mouse button is released.
/// </summary>
/// <param name="e">The event data for the <see cref="E:System.Windows.UIElement.MouseLeftButtonUp"/> event.</param>
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
if (e.ClickCount == 1)
{
if (this.IsSplited)
{
Border buttonBorder = this.GetTemplateChild("PART_ButtonBorder") as Border;
if ((buttonBorder != null) && (PopupService.IsMousePhysicallyOver(buttonBorder)))
{
/*if (Command != null)
* {
* RoutedCommand command = Command as RoutedCommand;
* if (command != null) command.Execute(CommandParameter, CommandTarget);
* else Command.Execute(CommandParameter);
* }*/
this.OnClick();
}
}
}
base.OnMouseLeftButtonUp(e);
}