C# Class WPF.JoshSmith.Input.SmartRoutedCommand

This abstract class is a RoutedCommand which allows its subclasses to provide default logic for determining if they can execute and how to execute. To enable the default logic to be used, set the IsCommandSink attached property to true on the root element of the element tree which uses one or more SmartRoutedCommand subclasses.

Documentation: http://www.codeproject.com/KB/WPF/SmartRoutedCommandsInWPF.aspx

Inheritance: System.Windows.Input.RoutedCommand

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Public Properties

Property	Type	Description
IsCommandSinkProperty	System.Windows.DependencyProperty

Public Methods

Method	Description
GetIsCommandSink ( DependencyObject obj ) : bool	Gets the value of the attached IsCommandSink property for the specified object.
SetIsCommandSink ( DependencyObject obj, bool value ) : void	Sets the value of the attached IsCommandSink property for the specified object.

Protected Methods

Method	Description
CanExecuteCore ( object parameter ) : bool	Child classes override this method to provide logic which determines if the command can execute. This method will only be invoked if no element in the tree indicated that it can execute the command.
ExecuteCore ( object parameter ) : void	Child classes override this method to provide default execution logic. This method will only be invoked if CanExecuteCore returns true.

Private Methods

Method	Description
OnCanExecute ( object sender, System.Windows.Input.CanExecuteRoutedEventArgs e ) : void
OnExecuted ( object sender, System.Windows.Input.ExecutedRoutedEventArgs e ) : void
OnIsCommandSinkChanged ( DependencyObject depObj, System.Windows.DependencyPropertyChangedEventArgs e ) : void	Invoked when the IsCommandSink attached property is set on an element.

Method Details

CanExecuteCore() protected abstract method

Child classes override this method to provide logic which determines if the command can execute. This method will only be invoked if no element in the tree indicated that it can execute the command.

protected abstract CanExecuteCore ( object parameter ) : bool
parameter	object	The command parameter (optional).
return	bool

ExecuteCore() protected abstract method

Child classes override this method to provide default execution logic. This method will only be invoked if CanExecuteCore returns true.

protected abstract ExecuteCore ( object parameter ) : void
parameter	object	The command parameter (optional).
return	void

GetIsCommandSink() public static method

Gets the value of the attached IsCommandSink property for the specified object.

public static GetIsCommandSink ( DependencyObject obj ) : bool
obj	System.Windows.DependencyObject
return	bool

SetIsCommandSink() public static method

Sets the value of the attached IsCommandSink property for the specified object.

public static SetIsCommandSink ( DependencyObject obj, bool value ) : void
obj	System.Windows.DependencyObject
value	bool
return	void

Property Details

IsCommandSinkProperty public_oe static_oe property

Represents the IsCommandSink attached property. This field is readonly.

public static DependencyProperty,System.Windows IsCommandSinkProperty
return	System.Windows.DependencyProperty