0 out of 1 rated this helpful - Rate this topic

ICommand.CanExecuteChanged Event

.NET Framework 4.5

Occurs when changes occur that affect whether or not the command should execute.

Namespace: System.Windows.Input
Assembly: System (in System.dll)

event EventHandler CanExecuteChanged

Remarks

Normally, a command source calls CanExecute on the command when this event occurs.

Normally, if the command cannot execute, the command source disables itself.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

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.

Reference

ICommand Interface

System.Windows.Input Namespace

ICommandSource

RoutedCommand

CommandManager

Other Resources

Commanding Overview

Did you find this helpful? Yes No

Not accurate

Not enough depth

Need more code examples

(1500 characters remaining)