語言

IRawElementProviderSimple.GetPatternProvider(Int32) 方法

定義

命名空間:
System.Windows.Automation.Provider
組件:
UIAutomationProvider.dll
組件:
UIAutomationProvider.dll, UIAutomationTypes.dll
組件:
UIAutomationTypes.dll

取得一個物件，該物件支援 使用者介面自動化 元素上的控制模式。

public:
 System::Object ^ GetPatternProvider(int patternId);
public object GetPatternProvider(int patternId);
abstract member GetPatternProvider : int -> obj
Public Function GetPatternProvider (patternId As Integer) As Object

參數

patternId
Int32

圖案識別碼。

傳回

Object

實作模式介面的物件，或 null 若模式不被支援。

範例

以下範例展示了一個僅GetPatternProvider支援 的提供者的InvokePattern實作。

/// <summary>
/// Returns the object that supports the specified pattern.
/// </summary>
/// <param name="patternId">ID of the pattern.</param>
/// <returns>Object that implements IInvokeProvider.</returns>
object IRawElementProviderSimple.GetPatternProvider(int patternId)
{
    if (patternId == InvokePatternIdentifiers.Pattern.Id)
    {
        // Return an object that implements IInvokeProvider.
        return myInvokePatternProvider;
    }
    else
    {
        return null;
    }
}

''' <summary>
''' Returns the object that supports the specified pattern.
''' </summary>
''' <param name="patternId">ID of the pattern.</param>
''' <returns>Object that implements IInvokeProvider.</returns>
Function GetPatternProvider(ByVal patternId As Integer) As Object _
    Implements IRawElementProviderSimple.GetPatternProvider
    If patternId = InvokePatternIdentifiers.Pattern.Id Then
        ' Return an object that implements IInvokeProvider.
        Return myInvokePatternProvider
    Else
        Return Nothing
    End If

End Function 'IRawElementProviderSimple.GetPatternProvider

適用於

另請參閱