本文整理汇总了C#中System.Windows.Automation.Automation.AddAutomationPropertyChangedEventHandler方法的典型用法代码示例。如果您正苦于以下问题:C# Automation.AddAutomationPropertyChangedEventHandler方法的具体用法?C# Automation.AddAutomationPropertyChangedEventHandler怎么用?C# Automation.AddAutomationPropertyChangedEventHandler使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了Automation.AddAutomationPropertyChangedEventHandler方法的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,您的评价将有助于我们的系统推荐出更棒的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);
}
}
开发者ID:.NET开发者,项目名称:System.Windows.Automation,代码行数:40,代码来源:Automation.AddAutomationPropertyChangedEventHandler
注:本文中的System.Windows.Automation.Automation.AddAutomationPropertyChangedEventHandler方法示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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