Gets the position at which the composition text occurs in the TextBox.
Assembly: PresentationFramework (in PresentationFramework.dll)
This property is only meaningful when the TextInputStart or TextInputUpdate event occurs. When the TextInput event occurs, CompositionLength is –1, and the ResultOffset property indicates the position of the composition text.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.