mark一下

結(jié)構(gòu)體

struct Info{TCHAR g_strFileType[MAX_PATH];bool bStop; };

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這是發(fā)送端的進(jìn)程

HWND hWndRcv=::FindWindow(NULL,_T("RECV COPY DATA"));if(hWndRcv==NULL){::AfxMessageBox(_T("Not Found Window"));((CButton*)(GetDlgItem( IDC_CHECK1 )))->SetCheck(0) ; //IDC_CHECK is ID for controlreturn;}UpdateData(true);Info *m_info;m_info = new Info();_tcscpy(m_info->g_strFileType,m_Filetype.GetBuffer(m_Filetype.GetLength()*2+2));int checkState1 = IsDlgButtonChecked(IDC_CHECK1);if (BST_CHECKED==checkState1){m_info->bStop = true;}else{m_info->bStop = false;}COPYDATASTRUCT cpd;cpd.dwData=1;cpd.cbData=sizeof(Info);cpd.lpData=(PVOID)m_info;::SendMessage(hWndRcv,WM_COPYDATA,(WPARAM)this->m_hWnd,(LPARAM)&cpd);UpdateData(FALSE);::AfxMessageBox(_T("send sucess！"));

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接受的進(jìn)程

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam) { switch(message) { case WM_DESTROY: PostQuitMessage(0); case WM_COPYDATA:OutputDebugString(_T("CopyData"));// 當(dāng)收到WM_COPYDATA消息時，從lParam中提取出 // COPYDATASTRUCT PCOPYDATASTRUCT lpcds = (PCOPYDATASTRUCT)lParam;if (lpcds->dwData==1){Info *info = (Info*)(lpcds->lpData);OutputDebugString(info->g_strFileType);_tcscpy(g_info.g_strFileType,info->g_strFileType);g_info.bStop = info->bStop;}return 0; } return DefWindowProc(hwnd, message, wParam, lParam); }

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