TransformPattern.Resize(Double, Double) 方法

定義

命名空間:

System.Windows.Automation

組件:

UIAutomationClient.dll

重新調整控制項大小。

public:
 void Resize(double width, double height);

public void Resize (double width, double height);

member this.Resize : double * double -> unit

Public Sub Resize (width As Double, height As Double)

參數

width

Double

視窗的新寬度 (以像素為單位)。

height

Double

視窗的新高度 (以像素為單位)。

例外狀況

InvalidOperationException

CanResize 屬性為 false。

範例

在下列範例中， TransformPattern 會從 AutomationElement 取得控制項模式，並接著用來調整 大小 AutomationElement 。

///--------------------------------------------------------------------
/// <summary>
/// Obtains a TransformPattern control pattern from 
/// an automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A TransformPattern object.
/// </returns>
///--------------------------------------------------------------------
private TransformPattern GetTransformPattern(
    AutomationElement targetControl)
{
    TransformPattern transformPattern = null;

    try
    {
        transformPattern =
            targetControl.GetCurrentPattern(TransformPattern.Pattern)
            as TransformPattern;
    }
    catch (InvalidOperationException)
    {
        // object doesn't support the TransformPattern control pattern
        return null;
    }

    return transformPattern;
}

'''--------------------------------------------------------------------
''' <summary>
''' Obtains a TransformPattern control pattern from 
''' an automation element.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
''' <returns>
''' A TransformPattern object.
''' </returns>
'''--------------------------------------------------------------------
Private Function GetTransformPattern( _
ByVal targetControl As AutomationElement) As TransformPattern
    Dim transformPattern As TransformPattern = Nothing

    Try
        transformPattern = DirectCast( _
        targetControl.GetCurrentPattern(transformPattern.Pattern), _
        TransformPattern)
    Catch exc As InvalidOperationException
        ' object doesn't support the TransformPattern control pattern
        Return Nothing
    End Try

    Return transformPattern

End Function 'GetTransformPattern

///--------------------------------------------------------------------
/// <summary>
/// Calls the TransformPattern.Resize() method for an associated 
/// automation element.
/// </summary>
/// <param name="transformPattern">
/// The TransformPattern control pattern obtained from
/// an automation element.
/// </param>
/// <param name="width">
/// The requested width of the automation element.
/// </param>
/// <param name="height">
/// The requested height of the automation element.
/// </param>
///--------------------------------------------------------------------
private void ResizeElement(
    TransformPattern transformPattern, double width, double height)
{
    try
    {
        if (transformPattern.Current.CanResize)
        {
            transformPattern.Resize(width, height);
        }
    }
    catch (InvalidOperationException)
    {
        // object is not able to perform the requested action
        return;
    }
}

'''--------------------------------------------------------------------
''' <summary>
''' Calls the TransformPattern.Resize() method for an associated 
''' automation element.
''' </summary>
''' <param name="transformPattern">
''' The TransformPattern control pattern obtained from
''' an automation element.
''' </param>
''' <param name="width">
''' The requested width of the automation element.
''' </param>
''' <param name="height">
''' The requested height of the automation element.
''' </param>
'''--------------------------------------------------------------------
Private Sub ResizeElement( _
ByVal transformPattern As TransformPattern, _
ByVal width As Double, ByVal height As Double)
    Try
        If transformPattern.Current.CanResize Then
            transformPattern.Resize(width, height)
        End If
    Catch
        ' object is not able to perform the requested action
        Return
    End Try

End Sub

備註

在支援分割窗格的控制項上呼叫時，這個方法可能會對調整其他連續窗格的大小產生副作用。

物件無法移動、調整大小或旋轉，使其產生的螢幕位置完全超出容器的座標，而且無法存取鍵盤或滑鼠。 例如，當最上層視窗完全從螢幕外移動，或子物件移動超出容器檢視區的界限時。 在這些情況下，物件會盡可能接近要求的螢幕座標，並將上方或左座標覆寫為容器界限內。