1 Create a new dialog box project, place a button on the dialog box, set the ID to TEST_IDC_BUTTON1, double-click to add message processing
void CTestDlg::OnBnClickedButton1()
{
// TODO: 在此添加控件通知处理程序代码
AfxMessageBox(_T("收到消息"));
}
2 Create a new dialog box project, place a few buttons on the dialog box, and send a message to the button in the previous dialog box project in several ways.
void CSenderDlg::OnBnClickedButton1()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL,_T("Test"));
if(pWnd)
{
pWnd->SendMessage(WM_COMMAND,TEST_IDC_BUTTON1,0);
}
else AfxMessageBox(_T("Test程序没有运行"));
}
void CSenderDlg::OnBnClickedButton2()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL, "Test");
if(pWnd)
{
pWnd->SendMessage(WM_COMMAND,((WPARAM)BN_CLICKED)<<8|(WPARAM)TEST_IDC_BUTTON1,0L);
}
else AfxMessageBox("Test程序没有运行");
}
void CSenderDlg::OnBnClickedButton3()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL,"Test");
if(pWnd)
{
pWnd->SendDlgItemMessage(TEST_IDC_BUTTON1,BM_CLICK,0,0);
//必须要两次,否则不是每次都能出现信息框
pWnd->SendDlgItemMessage(TEST_IDC_BUTTON1,BM_CLICK,0,0);
}
else AfxMessageBox(_T("Test程序没有运行"));
}
void CSenderDlg::OnBnClickedButton4()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL, "Test");
if(pWnd)
{
::SendMessage(pWnd->GetSafeHwnd(),WM_COMMAND,TEST_IDC_BUTTON1,NULL);
}
else AfxMessageBox("Test程序没有运行");
}
void CSenderDlg::OnBnClickedButton5()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL, "Test");
if(pWnd)
{
::SendMessage(pWnd->GetDlgItem(IDC_BUTTON1)->GetSafeHwnd(),WM_LBUTTONDOWN, TEST_IDC_BUTTON1,0);
::SendMessage(pWnd->GetDlgItem(IDC_BUTTON1)->GetSafeHwnd(),WM_LBUTTONUP,TEST_IDC_BUTTON1,0);
//必须要两次,否则不是每次都能出现信息框
::SendMessage(pWnd->GetDlgItem(IDC_BUTTON1)->GetSafeHwnd(),WM_LBUTTONDOWN, TEST_IDC_BUTTON1,0);
::SendMessage(pWnd->GetDlgItem(IDC_BUTTON1)->GetSafeHwnd(),WM_LBUTTONUP,TEST_IDC_BUTTON1,0);
}
else AfxMessageBox("Test程序没有运行");
}
void CSenderDlg::OnBnClickedButton6()
{
// TODO: 在此添加控件通知处理程序代码
CWnd *pWnd = FindWindow(NULL, "Test");
if(pWnd)
{
pWnd->GetDlgItem(IDC_BUTTON1)->SendMessage(WM_LBUTTONDOWN);
pWnd->GetDlgItem(IDC_BUTTON1)->SendMessage(WM_LBUTTONUP);
pWnd->GetDlgItem(IDC_BUTTON1)->SendMessage(WM_LBUTTONDOWN);
pWnd->GetDlgItem(IDC_BUTTON1)->SendMessage(WM_LBUTTONUP);
}
else AfxMessageBox("Test程序没有运行");
}