Automation.ControlViewCondition 字段

定义

表示仅包含作为控件的 UI 自动化元素的 UI 自动化树的预定义视图。

public static readonly System.Windows.Automation.Condition ControlViewCondition;

字段值

示例

在下面的示例中,各种静态条件(包括 ) ControlViewCondition 用于检索元素。

/// <summary>
/// Examples of using predefined conditions to find elements.
/// </summary>
/// <param name="elementMainWindow">The element for the target window.</param>
public void StaticConditionExamples(AutomationElement elementMainWindow)
{
    if (elementMainWindow == null)
    {
        throw new ArgumentException();
    }

    // Use TrueCondition to retrieve all elements.
    AutomationElementCollection elementCollectionAll = elementMainWindow.FindAll(
        TreeScope.Subtree, Condition.TrueCondition);
    Console.WriteLine("\nAll control types:");
    foreach (AutomationElement autoElement in elementCollectionAll)
    {
        Console.WriteLine(autoElement.Current.Name);
    }

    // Use ContentViewCondition to retrieve all content elements.
    AutomationElementCollection elementCollectionContent = elementMainWindow.FindAll(
        TreeScope.Subtree, Automation.ContentViewCondition);
    Console.WriteLine("\nAll content elements:");
    foreach (AutomationElement autoElement in elementCollectionContent)
    {
        Console.WriteLine(autoElement.Current.Name);
    }

    // Use ControlViewCondition to retrieve all control elements.
    AutomationElementCollection elementCollectionControl = elementMainWindow.FindAll(
        TreeScope.Subtree, Automation.ControlViewCondition);
    Console.WriteLine("\nAll control elements:");
    foreach (AutomationElement autoElement in elementCollectionControl)
    {
        Console.WriteLine(autoElement.Current.Name);
    }
}

适用于

产品 版本
.NET Framework 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9

另请参阅