ValuePattern.ValueProperty Field
Definition
Important
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Identifies the Value property.
public: static initonly System::Windows::Automation::AutomationProperty ^ ValueProperty;
public static readonly System.Windows.Automation.AutomationProperty ValueProperty;
staticval mutable ValueProperty : System.Windows.Automation.AutomationProperty
Public Shared ReadOnly ValueProperty As AutomationProperty
Field Value
Examples
In the following example, a ValuePattern object obtained from a target control is passed into a function that retrieves the current ValuePattern property values.
///--------------------------------------------------------------------
/// <summary>
/// Gets the current property values from target.
/// </summary>
/// <param name="valuePattern">
/// A ValuePattern control pattern obtained from
/// an automation element representing a target control.
/// </param>
/// <param name="automationProperty">
/// The automation property of interest.
/// </param>
///--------------------------------------------------------------------
private object GetValueProperty(
ValuePattern valuePattern,
AutomationProperty automationProperty)
{
if (valuePattern == null || automationProperty == null)
{
throw new ArgumentNullException("Argument cannot be null.");
}
if (automationProperty.Id ==
ValuePattern.ValueProperty.Id)
{
return valuePattern.Current.Value;
}
return null;
}
'''--------------------------------------------------------------------
''' <summary>
''' Gets the current property values from target.
''' </summary>
''' <param name="valuePattern">
''' A ValuePattern control pattern obtained from
''' an automation element representing a target control.
''' </param>
''' <param name="automationProperty">
''' The automation property of interest.
''' </param>
'''--------------------------------------------------------------------
Private Function GetValueProperty( _
ByVal valuePattern As ValuePattern, _
ByVal automationProperty As AutomationProperty) As Object
If (valuePattern Is Nothing Or automationProperty Is Nothing) Then
Throw New ArgumentNullException("Argument cannot be null.")
End If
If automationProperty.Id = valuePattern.ValueProperty.Id Then
Return valuePattern.Current.Value
End If
Return Nothing
End Function 'GetValueProperty
Remarks
This identifier is used by UI Automation client applications. UI Automation providers should use the equivalent field in ValuePatternIdentifiers.
Applies to
See also
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