Gets the horizontal size of the visible content area.
Assembly: PresentationFramework (in PresentationFramework.dll)
Property ValueType: System.Double
A floating-point value that specifies the horizontal size of the visible content area, in device-independent units (1/96th inch per unit).
The value of this property is 0.0 if the text editing control is not configured to support scrolling.
This property has no default value.
Available since 3.0