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TabletDevice.ActiveSource Property

  • Reference

Definition

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

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets the PresentationSource that reports current input for the tablet device.

public override System.Windows.PresentationSource ActiveSource { [System.Security.SecurityCritical] get; }
public override System.Windows.PresentationSource ActiveSource { get; }

Property Value

PresentationSource

The PresentationSource that reports current input for the tablet device.

Attributes
SecurityCriticalAttribute

Examples

The following code example demonstrates the ActiveSource property.

PresentationSource myPresentationSource = myTabletDevice.ActiveSource;

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

Applies to

Toode Versioonid
.NET Framework 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop 3.0, 3.1, 5, 6, 7, 8, 9