Gets the vertical size of the visible content area.
Assembly: PresentationFramework (in PresentationFramework.dll)
Property ValueType: System.Double
A floating-point value that specifies the vertical 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