Provides a class for command events.
Event handlers can use the cancel property to cancel the operation in progress. The semantics of canceling an event depend on the event source.
    
    
    
    
    
        
    Constructor methods 
    
        
            
     
    
        
            constructor( commandName:  string , commandArgument:  any , commandSource:  any ) :  CommandEventArgs  
    Parameters 
    
        
            
                commandName: string  
                
             
        
            
                commandArgument: any  
                
             
        
            
                commandSource: any  
                
             
        
     
    Returns 
    
    
        CommandEventArgs 
    
    
        
    
    
 
        
    
 
    
    
        
    Properties 
    
        
            
     
    
        
    An object of type EventArgs that is used as a convenient way to specify an empty EventArgs instance.
    
    
 
        
    
 
    
    
        
    Methods 
    
        
            
     
    
        
            public  get_commandArgument( ) :  any  
    
    
    
        
            
                Defined in microsoft.ajax.d.ts:2046 
            
         
    
 
    Gets a value that represents the command argument.
    Returns 
    
    
        any 
    
    
        
    
    
 
        
    
        
            
     
    
        
            public  get_commandName( ) :  string  
    
    
    
        
            
                Defined in microsoft.ajax.d.ts:2041 
            
         
    
 
    Gets a string that specifies the command name.
    Returns 
    
    
        string 
    
    
        
    
    
 
        
    
        
            
     
    
        
            public  get_commandSource( ) :  any  
    
    
    
        
            
                Defined in microsoft.ajax.d.ts:2051 
            
         
    
 
    Gets a value that represents the command source.
    Returns 
    
    
        any