#define WM_MY_DEFINED_MSG (WM_USER + 101) #define MY_REGISTERED_MSG_STR _T("MY_MSG_STRING")
CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/) : CDialogEx(CDemoDlg::IDD, pParent) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); WM_MY_REGISTERED_MSG = RegisterWindowMessage(MY_REGISTERED_MSG_STR); }
ON_MESSAGE(WM_MY_DEFINED_MSG, &CDemoDlg::OnMyDefinedMsg) ON_REGISTERED_MESSAGE(WM_MY_REGISTERED_MSG,&CDemoDlg::OnMyRegisteredMsg)
void CDemoDlg::OnBnClickedButton1() { // TODO: 在此添加控件通知处理程序代码 PostMessage(WM_MY_DEFINED_MSG,0,0); } LRESULT CDemoDlg::OnMyDefinedMsg(WPARAM wParam, LPARAM lParam) { TCHAR szBuf[128] = {0}; _stprintf(szBuf,_T("收到自定义消息: WM_MY_DEFINED_MSG,ID=0x%X."),WM_MY_DEFINED_MSG); SetDlgItemText(IDC_OUTPUT,szBuf); return 0; } LRESULT CDemoDlg::OnMyRegisteredMsg(WPARAM wParam, LPARAM lParam) { TCHAR szBuf[128] = {0}; _stprintf(szBuf,_T("收到Registered消息: WM_MY_REGISTERED_MSG,ID=0x%X."),WM_MY_REGISTERED_MSG); SetDlgItemText(IDC_OUTPUT,szBuf); return 0; } void CDemoDlg::OnBnClickedButton2() { // TODO: 在此添加控件通知处理程序代码 PostMessage(WM_MY_REGISTERED_MSG,0,0); }