1. 在 resource.h文件添加如下代码 定个自己消息
# WM_MY_MESSAGE WM_USER + 100 //---------------------by tyds
2.在...view.h文件添加如下:
//{{AFX_MSG(CPostmessageView)
afx_msg void Ontydspostmessage;
afx_msg /*LRESULT*/ void OnMyMessage(/*WPARAM wParam, LPARAM lParam*/); //----- by tyds
//}}AFX_MSG
DECLARE_MESSAGE_MAP
3.在...view.cpp文件添加如下代码
BEGIN_MESSAGE_MAP(CPostmessageView, CView)
//{{AFX_MSG_MAP(CPostmessageView)
ON_COMMAND(ID_tyds_postmessage, Ontydspostmessage)
ON_MESSAGE(WM_MY_MESSAGE, OnMyMessage) //添加消息映射---------------------by tyds
//}}AFX_MSG_MAP
// Standard pring commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePr)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePr)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrPreview)
END_MESSAGE_MAP
void CPostmessageView::Ontydspostmessage
{
MessageBox("begin post message!");
//PostMessage(WM_MY_MESSAGE); //这里 PostMessage SendMessage 两则区别是
SendMessage(WM_MY_MESSAGE); //PostMessage 是发出去就返回 而SendMessage是发出去等到被 //执行了 在返回
}
消息相应
/*LPESULT*/void CPostmessageView::OnMyMessage(/*WPARAM wParam, LPARAM lParam*/) //注意这里 参数可要可不要 根据自己来定 返回值也样
{
MessageBox("post msg finished!");
// 0;
}
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