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TabletDevice.ActiveSource Eigenschaft

  • Referenz

Definition

Namespace:
System.Windows.Input
Assembly:
PresentationCore.dll

Ruft die PresentationSource ab, die die aktuelle Eingabe für das Tablettgerät meldet.

public:
 virtual property System::Windows::PresentationSource ^ ActiveSource { System::Windows::PresentationSource ^ get(); };
public override System.Windows.PresentationSource ActiveSource { [System.Security.SecurityCritical] get; }
public override System.Windows.PresentationSource ActiveSource { get; }
[<get: System.Security.SecurityCritical>]
member this.ActiveSource : System.Windows.PresentationSource
member this.ActiveSource : System.Windows.PresentationSource
Public Overrides ReadOnly Property ActiveSource As PresentationSource

Eigenschaftswert

PresentationSource

Die PresentationSource, die die aktuelle Eingabe für das Tablettgerät meldet.

Attribute
SecurityCriticalAttribute

Beispiele

Im folgenden Codebeispiel wird die ActiveSource -Eigenschaft veranschaulicht.

PresentationSource myPresentationSource = myTabletDevice.ActiveSource;

if (null != myPresentationSource)
{
    textbox1.AppendText("ActiveSource.RootVisual: " + myPresentationSource.RootVisual.ToString() + "\n");
}
else
{
    textbox1.AppendText("ActiveSource: null\n");
}

Dim myPresentationSource As PresentationSource = myTabletDevice.ActiveSource

If Not IsNothing(myPresentationSource) Then
    textbox1.AppendText("ActiveSource.RootVisual: " & myPresentationSource.RootVisual.ToString() & vbCrLf)
Else
    textbox1.AppendText("ActiveSource: null" & vbCrLf)
End If

Gilt für: