private static GetVisualStateGroup ( |
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element | ||
groupName | string | |
return | System.Windows.VisualStateGroup |
/// <summary> /// Updates the drop-indicator height value for visual state and transition animations. /// </summary> /// <remarks> /// This is a workaround for the inability of visual states and transitions to do template binding /// in Silverlight 3. In SL4, they could bind directly to the DropIndicatorHeight property instead. /// </remarks> protected void OnDropIndicatorHeightChanged(DependencyPropertyChangedEventArgs e) { Panel rootPanel = (Panel)VisualTreeHelper.GetChild(this, 0); VisualStateGroup vsg = ReorderListBoxItem.GetVisualStateGroup( rootPanel, ReorderListBoxItem.DropIndicatorStateGroup); if (vsg != null) { foreach (VisualState vs in vsg.States) { foreach (Timeline animation in vs.Storyboard.Children) { this.UpdateDropIndicatorAnimationHeight((double)e.NewValue, animation); } } foreach (VisualTransition vt in vsg.Transitions) { foreach (Timeline animation in vt.Storyboard.Children) { this.UpdateDropIndicatorAnimationHeight((double)e.NewValue, animation); } } } }