本文整理汇总了C#中System.Windows.Automation.AutomationPropertyChangedEventHandler代理的典型用法代码示例。如果您正苦于以下问题：C# AutomationPropertyChangedEventHandler代理的具体用法？C# AutomationPropertyChangedEventHandler怎么用？C# AutomationPropertyChangedEventHandler使用的例子？那么恭喜您, 这里精选的代理代码示例或许可以为您提供帮助。
AutomationPropertyChangedEventHandler代理属于System.Windows.Automation命名空间，在下文中一共展示了AutomationPropertyChangedEventHandler代理的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SubscribePropertyChange
AutomationPropertyChangedEventHandler propChangeHandler;
/// <summary>
/// Adds a handler for property-changed event; in particular, a change in the enabled state.
/// </summary>
/// <param name="element">The UI Automation element whose state is being monitored.</param>
public void SubscribePropertyChange(AutomationElement element)
{
Automation.AddAutomationPropertyChangedEventHandler(element,
TreeScope.Element,
propChangeHandler = new AutomationPropertyChangedEventHandler(OnPropertyChange),
AutomationElement.IsEnabledProperty);
}
/// <summary>
/// Handler for property changes.
/// </summary>
/// <param name="src">The source whose properties changed.</param>
/// <param name="e">Event arguments.</param>
private void OnPropertyChange(object src, AutomationPropertyChangedEventArgs e)
{
AutomationElement sourceElement = src as AutomationElement;
if (e.Property == AutomationElement.IsEnabledProperty)
{
bool enabled = (bool)e.NewValue;
// TODO: Do something with the new value.
// The element that raised the event can be identified by its runtime ID property.
}
else
{
// TODO: Handle other property-changed events.
}
}
public void UnsubscribePropertyChange(AutomationElement element)
{
if (propChangeHandler != null)
{
Automation.RemoveAutomationPropertyChangedEventHandler(element, propChangeHandler);
}
}