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VB.NET RangeValuePattern.SetValue方法代码示例

本文整理汇总了VB.NET中System.Windows.Automation.RangeValuePattern.SetValue方法的典型用法代码示例。如果您正苦于以下问题:VB.NET RangeValuePattern.SetValue方法的具体用法?VB.NET RangeValuePattern.SetValue怎么用?VB.NET RangeValuePattern.SetValue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RangeValuePattern.SetValue方法的2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VB.NET代码示例。

示例1: SetRangeValue

'''--------------------------------------------------------------------
''' <summary>
''' Sets the range value of the control of interest.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
''' <param name="rangeValue">
''' The value (either relative or absolute) to set the control to.
''' </param>
'''--------------------------------------------------------------------
Private Overloads Sub SetRangeValue( _
ByVal targetControl As AutomationElement, ByVal rangeValue As Double)
    If targetControl Is Nothing Then
        Throw New ArgumentException("Argument cannot be null.")
    End If

    Dim rangeValuePattern As RangeValuePattern = _
    GetRangeValuePattern(targetControl)

    If rangeValuePattern.Current.IsReadOnly Then
        Throw New InvalidOperationException("Control is read-only.")
    End If

    Try
        rangeValuePattern.SetValue(rangeValue)
    Catch exc As ArgumentOutOfRangeException
        ' TO DO: Error handling.
    Catch exc As ArgumentException
        ' TO DO: Error handling.
    End Try

End Sub
开发者ID:VB.NET开发者,项目名称:System.Windows.Automation,代码行数:33,代码来源:RangeValuePattern.SetValue

示例2: GetRangeValuePattern

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

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

    Return rangeValuePattern

End Function 'GetRangeValuePattern
开发者ID:VB.NET开发者,项目名称:System.Windows.Automation,代码行数:29,代码来源:RangeValuePattern.SetValue


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