StylusDevice.InAir Property

Definition

Namespace:

System.Windows.Input

Assembly:

PresentationCore.dll

Gets whether the tablet pen is positioned above, yet not in contact with, the digitizer.

public:
 property bool InAir { bool get(); };

public bool InAir { get; }

member this.InAir : bool

Public ReadOnly Property InAir As Boolean

Property Value

Boolean

true if the pen is positioned above, yet not in contact with, the digitizer; otherwise, false. The default is false.

Examples

The following example demonstrates the InAir property.

private void OnMouseMove(object sender, MouseEventArgs e)
{
    StylusDevice myStylusDevice = e.StylusDevice;

    if (myStylusDevice != null)
    {
        if (myStylusDevice.InAir)
        {
            textbox1.Text = "stylus moves in air";
        }
        else
        {
            textbox1.Text = "stylus moves with pen down";
        }
    }
}

Private Sub OnMouseMove(ByVal sender As Object, _
                        ByVal e As MouseEventArgs)

    Dim myStylusDevice As StylusDevice
    myStylusDevice = e.StylusDevice
    If Not IsNothing(myStylusDevice) Then
        If myStylusDevice.InAir = True Then
            textbox1.Text = "stylus moves in air"
        Else
            textbox1.Text = "stylus moves with pen down"
        End If
    End If
End Sub