GridItemPattern.ContainingGridProperty 字段
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
标识 ContainingGrid 属性。
public: static initonly System::Windows::Automation::AutomationProperty ^ ContainingGridProperty;
public static readonly System.Windows.Automation.AutomationProperty ContainingGridProperty;
staticval mutable ContainingGridProperty : System.Windows.Automation.AutomationProperty
Public Shared ReadOnly ContainingGridProperty As AutomationProperty
字段值
示例
在下面的示例中,将根元素传递给一个函数,该函数返回根子代的元素集合,并满足一组属性条件。
///--------------------------------------------------------------------
/// <summary>
/// Finds all automation elements that satisfy
/// the specified condition(s).
/// </summary>
/// <param name="targetApp">
/// The automation element from which to start searching.
/// </param>
/// <param name="targetControl">
/// The specific grid container of interest.
/// </param>
/// <returns>
/// A collection of automation elements satisfying
/// the specified condition(s).
/// </returns>
///--------------------------------------------------------------------
private AutomationElementCollection FindAutomationElement(
AutomationElement targetApp, AutomationElement targetControl)
{
if (targetApp == null)
{
throw new ArgumentException("Root element cannot be null.");
}
PropertyCondition conditionSupportsGridItemPattern =
new PropertyCondition(
AutomationElement.IsGridItemPatternAvailableProperty, true);
PropertyCondition conditionContainerGrid =
new PropertyCondition(
GridItemPattern.ContainingGridProperty, targetControl);
AndCondition conditionGridItems =
new AndCondition(
conditionSupportsGridItemPattern,
conditionContainerGrid);
return targetApp.FindAll(
TreeScope.Descendants, conditionGridItems);
}
'''--------------------------------------------------------------------
''' <summary>
''' Finds all automation elements that satisfy
''' the specified condition(s).
''' </summary>
''' <param name="targetApp">
''' The automation element from which to start searching.
''' </param>
''' <param name="targetControl">
''' The specific grid container of interest.
''' </param>
''' <returns>
''' A collection of automation elements satisfying
''' the specified condition(s).
''' </returns>
'''--------------------------------------------------------------------
Private Function FindAutomationElement( _
ByVal targetApp As AutomationElement, _
ByVal targetControl As AutomationElement) As AutomationElementCollection
If targetApp Is Nothing Then
Throw New ArgumentException("Root element cannot be null.")
End If
Dim conditionSupportsGridItemPattern As New PropertyCondition( _
AutomationElement.IsGridItemPatternAvailableProperty, True)
Dim conditionContainerGrid As New PropertyCondition( _
GridItemPattern.ContainingGridProperty, targetControl)
Dim conditionGridItems As New AndCondition( _
conditionSupportsGridItemPattern, conditionContainerGrid)
Return targetApp.FindAll(TreeScope.Descendants, conditionGridItems)
End Function 'FindAutomationElement
注解
此标识符由UI 自动化客户端应用程序使用。 UI 自动化提供程序应使用等效字段。GridItemPatternIdentifiers