BOOLAboutDlg( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){ BOOL bRet = FALSE;switch(message) {caseWM_INITDIALOG: bRet = TRUE;break;caseWM_COMMAND:if(wParam == IDOK || wParam == IDCANCEL) { EndDialog(hDlg, TRUE); bRet = TRUE; }break; }returnbRet; } ...
WM_COMMAND命令消息和WM_COMMAND控制通知都是由WindowProc给OnCommand处理,OnCommand通过wParam和lParam参数区分是命令消息或通知消息,然后送给OnCmdMsg处理。 事实上,BN_CLICKED控件通知消息的处理和WM_COMMAND命令消息的处理完全一样。因为该消息的通知代码是0,ON_BN_CLICKED(id,memberfunction)和ON_COMMAND(id,memberfunc...
WM_COMMAND 和 WM_LBUTTONDOWN 的区别 INT_PTR CALLBACK DialogProc(HWND hwndDlog, UINT uMsg, WPARAM wParam, LPARAM lparam) {//消息回调函数switch(uMsg) {caseWM_COMMAND:if(LOWORD(wParam) ==IDOK) {floatleft1 =GetDlgItemFlaot(hwndDlog, IDC_LEFT1);floatright1 =GetDlgItemFlaot(hwndDlog, IDC_RIGHT...
在WM6里面编写的WIN32程序,资源文件的菜单添加方法。 可以用SHCreateMenuBar()来进行添加,其中须要设置资源句柄,父窗口句柄,和要添加的菜单ID 而用SHInitDialog()可以设置窗口全屏显示,以及是否显示右下角的OK按钮。 如果要按右下角的OK按键退出的话,需要在WM_COMMAND里面对 LOWORD(wParam)==IDOK时,退出程序。
当WM_PAINT由InvalidateRect产生时,先发送WM_PAINT消息(异步),如果InvalidateRect的bErase为 TRUE,BeginPaint检查到更新区域需要删除背景,向窗口发送一个WM_ERASEBKGND消息,如果处理WM_ERASEBKGND消息时 返回FALSE,BeginPaint标记pt.fErase 为TRUE,如果处理WM_ERASEBKGND时返回TRUE,BeginPaint标记pt.fErase为FALSE. ...
if(AfxMessageBox("Warning: Wollen Sie die Pozess wicklich abbrechen?",MB_OKCANCEL)!=IDOK) return; //如果关闭程序do something:... } CWnd::OnSysCommand(nID,lParam); } 3.在CDialog中: void CDBinfoSmall::OnSysCommand(UINT nID, LPARAM lParam) { //AfxMessageBox...
switch (message) { case WM_INITDIALOG: return (INT_PTR)TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return (INT_PTR)TRUE; } break; } return (INT_PTR)FALSE; }...
在很多场合，我们都能看到这样的效果，当鼠标移动到某个元素上面时，该元素会变成另外一种颜色，达到强调...
Sent to an application that has initiated a training card with Windows Help. The message informs the application when the user clicks an authorable button. An application initiates a training card by specifying the HELP_TCARD command in a call to theWinHelpfunction. ...
caseWM_COMMAND: { WORD ctl=LOWORD(wParam); switch(ctl) { caseIDOK: caseIDCANCEL: EndDialog(hDlg, ctl); returnTRUE; caseIDC_BT_SETTIMER: if(b_timerOn) { SetDlgItemText(hDlg, ctl,"开始计时器"); KillTimer(hDlg,1); } else {