本文整理汇总了C#中System.Windows.Automation.AutomationElement.GetUpdatedCache方法的典型用法代码示例。如果您正苦于以下问题：C# AutomationElement.GetUpdatedCache方法的具体用法？C# AutomationElement.GetUpdatedCache怎么用？C# AutomationElement.GetUpdatedCache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AutomationElement.GetUpdatedCache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，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SetupComboElement
CacheRequest comboCacheRequest;
AutomationEventHandler selectHandler;
AutomationElement elementCombo;
AutomationElement selectedItem;
/// <summary>
/// Retrieves a combo box automation element, caches a pattern and a property,
/// and registers the event handler.
/// </summary>
/// <param name="elementAppWindow">The element for the parent window.</param>
private void SetupComboElement(AutomationElement elementAppWindow)
{
// Set up the CacheRequest.
comboCacheRequest = new CacheRequest();
comboCacheRequest.Add(SelectionPattern.Pattern);
comboCacheRequest.Add(SelectionPattern.SelectionProperty);
comboCacheRequest.Add(AutomationElement.NameProperty);
comboCacheRequest.TreeScope = TreeScope.Element | TreeScope.Descendants;
// Activate the CacheRequest and get the element.
using (comboCacheRequest.Activate())
{
// Load the combo box element and cache the specified properties and patterns.
Condition propCondition = new PropertyCondition(
AutomationElement.AutomationIdProperty, "comboBox1", PropertyConditionFlags.IgnoreCase);
elementCombo = elementAppWindow.FindFirst(TreeScope.Descendants, propCondition);
}
// Get the list from the combo box.
Condition propCondition1 = new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.List);
AutomationElement listElement = elementCombo.FindFirst(TreeScope.Children, propCondition1);
// Register for ElementSelectedEvent on list items.
if (listElement != null)
{
Automation.AddAutomationEventHandler(SelectionItemPattern.ElementSelectedEvent, listElement,
TreeScope.Children, selectHandler = new AutomationEventHandler(OnListItemSelect));
}
}
/// <summary>
/// Handle ElementSelectedEvent on items in the combo box.
/// </summary>
/// <param name="src">Object that raised the event.</param>
/// <param name="e">Event arguments.</param>
private void OnListItemSelect(object src, AutomationEventArgs e)
{
// Update the cache.
AutomationElement updatedElement = elementCombo.GetUpdatedCache(comboCacheRequest);
// Retrieve the pattern and the selected item from the cache. This code is here only to
// demonstrate that the current selection can now be retrieved from the cache. In an application,
// this would be done only when the information was needed.
SelectionPattern pattern = updatedElement.GetCachedPattern(SelectionPattern.Pattern) as SelectionPattern;
AutomationElement[] selectedItems = pattern.Cached.GetSelection();
selectedItem = selectedItems[0];
}