C# Class Sharpen.Html.Expression

Represents the base class for all expressions. Expressions represent a value, and optionally a value that can change after being read (in which case, it provides a mechanism to subscribe for changes)

Mostra file Open project: nikhilk/sharpen Class Usage Examples

Public Methods

Method	Description
Expression ( object value, bool canChange ) : System	Initializes and instance of an Expression.
GetValue ( ) : object	Gets the current value of the expression.
SetValue ( object value ) : void	Sets the value of the expression. Most expressions are read-only and ignore this call, but some expressions do support the ability to write back.
Subscribe ( System.Action changeCallback ) : void	Allows a consumer of the expression to subscribe to change notifications.

Protected Methods

Method	Description
UpdateValue ( object value, bool notify ) : void	Updates the value represented by the expression.

Method Details

Expression() public method

Initializes and instance of an Expression.

public Expression ( object value, bool canChange ) : System
value	object	The initial value of the expression.
canChange	bool	Whether the expression represents a value that can change.
return	System

GetValue() public method

Gets the current value of the expression.

public GetValue ( ) : object
return	object

SetValue() public method

Sets the value of the expression. Most expressions are read-only and ignore this call, but some expressions do support the ability to write back.

public SetValue ( object value ) : void
value	object	The new value of the expression.
return	void

Subscribe() public method

Allows a consumer of the expression to subscribe to change notifications.

public Subscribe ( System.Action changeCallback ) : void
changeCallback	System.Action	The callback to be invoked.
return	void

UpdateValue() protected method

Updates the value represented by the expression.

protected UpdateValue ( object value, bool notify ) : void
value	object	The new value of the expression.
notify	bool	Whether to notify the subscriber of the change.
return	void