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注册窗口消息

1.UINT nMsgRegistered = ::RegisterWindowMessage(TEXT(“RegisterMsgName”));

LRESULT CTestDlg::OnMyRegisteredMsg(WPARAM wParam, LPARAM lParam)   {
  ...} 
 
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BEGIN_MESSAGE_MAP(CMyDlg, CDialog)    ...    ON_REGISTERED_MESSAGE(nMsgRegistered, &CTestDlg::OnMyRegisteredMsg)END_MESSAGE_MAP() 
 
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注册线程消息

1.UINT nThrdMsgRegistered = ::RegisterWindowMessage(TEXT(“MyThrdMsg”));

void CTestApp::OnMyRegisterdThrdMsg(WPARAM wParam, LPARAM lParam)   {
  ...} 
 
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BEGIN_MESSAGE_MAP(CTestApp, CWinAppEx)    ...    ON_REGISTERED_THREAD_MESSAGE(nThrdMsgRegistered, &CTestApp::OnMyRegisterdThrdMsg)END_MESSAGE_MAP() 
 
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那怎样在当前线程中触发注册的线程消息呢？有以下两种方法：

::PostMessage(NULL, nThrdMsgRegistered, 0, 0);::PostThreadMessage(::GetCurrentThreadId(), nThrdMsgRegistered, 0, 0); 
 
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