RangeValuePattern.RangeValuePatternInformation.Minimum 속성
정의
중요
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UI 자동화 요소에서 지원하는 최소 범위 값을 가져옵니다.
public:
property double Minimum { double get(); };
public double Minimum { get; }
member this.Minimum : double
Public ReadOnly Property Minimum As Double
속성 값
UI 자동화 요소에서 지원되는 최소값이거나 null
요소가 지원하지 Minimum않는 경우입니다. 기본값은 0.0입니다.
예제
다음 예제에서는 AutomationElement 지는 RangeValuePattern 컨트롤 패턴에 컨트롤별 최소값으로 설정 된 해당 값입니다.
SetRangeValue(targetControl[0], rangeValuePattern.Current.Minimum);
SetRangeValue(targetControl(0), rangeValuePattern.Current.Minimum)
///--------------------------------------------------------------------
/// <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 void SetRangeValue(
AutomationElement targetControl,
double rangeValue)
{
if (targetControl == null)
{
throw new ArgumentException("Argument cannot be null.");
}
RangeValuePattern rangeValuePattern =
GetRangeValuePattern(targetControl);
if (rangeValuePattern.Current.IsReadOnly)
{
throw new InvalidOperationException("Control is read-only.");
}
try
{
rangeValuePattern.SetValue(rangeValue);
}
catch (ArgumentOutOfRangeException)
{
// TO DO: Error handling.
}
catch (ArgumentException)
{
// TO DO: Error handling.
}
}
'''--------------------------------------------------------------------
''' <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
///--------------------------------------------------------------------
/// <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 RangeValuePattern GetRangeValuePattern(
AutomationElement targetControl)
{
RangeValuePattern rangeValuePattern = null;
try
{
rangeValuePattern =
targetControl.GetCurrentPattern(
RangeValuePattern.Pattern)
as RangeValuePattern;
}
// Object doesn't support the
// RangeValuePattern control pattern
catch (InvalidOperationException)
{
return null;
}
return rangeValuePattern;
}
'''--------------------------------------------------------------------
''' <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