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TabletDevice.ActiveSource Propriété

Définition

Espace de noms:
System.Windows.Input
Assembly:
PresentationCore.dll

Obtient l’entrée PresentationSource actuelle pour l’appareil tablette.

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

Valeur de propriété

PresentationSource

Qui signale l’entrée PresentationSource actuelle pour l’appareil tablette.

Attributs
SecurityCriticalAttribute

Exemples

L’exemple de code suivant illustre la ActiveSource propriété.

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

S’applique à