常見例句Parameter, this means that no message map entry has been found for the command. 函數(shù),這意味著未找到命令的任何消息映射項(xiàng)。This object contains a reference to the control and the message map. 此對(duì)象包含對(duì)控件的引用和消息映射。To do so, it will need a handler function and an appropriate entry in the control's class message map. 為了達(dá)到這樣的目的,在控件類消息映射中需要一個(gè)處理函數(shù)和一個(gè)合適的入口。The wizard inserts into the header file a message map and declarations for handling the default click events. 此向?qū)г陬^文件中插入處理默認(rèn)單擊事件的消息映射和聲明。Like all command targets, a view handles messages via a message map. 和所有的命令目標(biāo)一樣,視圖通過消息映射來處理消息。The equivalent of ON_COMMAND and ON_UPDATE_COMMAND message map handling is implemented in the document's override of CCmdTarget:: OnCmdMsg. ON_COMMAND和ON_UPDATE_COMMAND消息映射處理的等效項(xiàng)在文檔的CCmdTarget::OnCmdMsg重寫中實(shí)現(xiàn)。 返回 Message-map