Retrieves the high-order word from the specified value. This function handles the message parameters of window. See in MSDN which function used to process the message.
            
            
            シンタックス
            
        
            パラメータ
- value
 
- The value to be converted.
 
            
            戻り値の型
The return value is the high-order word of the specified value.
 
            
            
            
            
            
            
            
            
            
            
            
            参照