FrameworkTextComposition.CompositionLength Property

Gets the length of the current composition in Unicode symbols.

Namespace:  System.Windows.Documents
Assembly:  PresentationFramework (in PresentationFramework.dll)

public int CompositionLength { get; }
You cannot set this property in XAML.

Property Value

Type: System.Int32
The length of the current composition in Unicode symbols.

The CompositionLength property indicates how many characters have been entered since the last TextInput event. This property is only meaningful when the TextInputStart or TextInputUpdate event occurs. When the TextInput event occurs, CompositionLength is –1, and the ResultLength property indicates the length of the composition.

CompositionLength is introduced in the .NET Framework version 3.5. For more information, see .NET Framework 3.5 Architecture.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5 SP1, 3.0 SP1
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