Puts the grid in edit mode and starts editing a cell.
            
            
            
            
            
            
            
            '宣言
 
Public Overloads Overridable Function StartEditing( _
   ByVal  As System.Integer, _
   ByVal  As System.Integer, _
   ByVal  As System.Char _
) As System.Boolean
             
        
            
            public virtual System.bool StartEditing( 
   System.int ,
   System.int ,
   System.char 
)
             
        
             
        
            パラメータ
- row
 
- Row index.
 - col
 
- Column index.
 - key
 
- Initial character to be sent to the editor.
 
            
            戻り値の型
True if the grid entered edit mode successfully, false otherwise.