MFC, Checking menu items in dialog based app.

Checking menu items in dialog based app.

Author	Message
Jim Kopkowsk #1 / 4	Checking menu items in dialog based app. I can't seem to check menu items with the code I have below in a dialoged based application. This same code however, will work in an SDI or MDI application. This code is very simplictic using ON_UPDATE _COMMAND handlers. Say it ain't so that you can't check menu items in a dialog app. Jim Kopkowski oid CTestDlgApp::OnUpdateViewAlertcast(CCmdUI* pCmdUI) { pCmdUI->SetCheck(1); Quote: } void CTestDlgApp::OnViewScorecast() { // TODO: Add your command handler code here Quote: } void CTestDlgApp::OnUpdateViewScorecast(CCmdUI* pCmdUI) { pCmdUI->SetCheck(1); Quote: }
Sun, 19 Mar 2000 03:00:00 GMT

Girish Bharadw #2 / 4	Checking menu items in dialog based app. You can easily use WM_INITPOPUP and Usual CMenu::SetCheckItem to do your stuff. Quote: > I can't seem to check menu items with the code I have below in a dialoged >based application. This same code however, will work in an SDI or MDI >application. This code is very simplictic using ON_UPDATE _COMMAND >handlers. Say it ain't so that you can't check menu items in a dialog app. >Jim Kopkowski Girish Bharadwaj B.V. Software Developer http://members.tripod.com/~GBharadwaj/index.html
Sun, 19 Mar 2000 03:00:00 GMT

Bob Moo #3 / 4	Checking menu items in dialog based app. Quote: > I can't seem to check menu items with the code I have below in a dialoged >based application. This same code however, will work in an SDI or MDI >application. This code is very simplictic using ON_UPDATE _COMMAND >handlers. Say it ain't so that you can't check menu items in a dialog app. OK, I won't say it. That won't change the reality though <g>. The problem is that the command-ui dispatching stuff is in the cframewnd class, but not in the cdialog. I have heard of people copying chunks of code from CFrameWnd to try and get this working, but I always figured that life was too short for that and simply used the old fashioned API calls to do my checking and enabling. Bob Moore [WinSDK MVP]
Sun, 19 Mar 2000 03:00:00 GMT

Michael F. Collins, II #4 / 4	Checking menu items in dialog based app. You can do the ON_UPDATE_COMMAND operations in a dialog box, I believe. The ON_UPDATE_COMMAND handlers are called during idle time processing in the MFC THRDCORE.CPP file. What you need to do in the dialog application is first trap the WM_INITDIALOG message and store the pointer to the dialog box class in the CWinApp::m_pMainWnd variable. If the dialog box is registered as the main window, the update command messages will be sent to the dialog box. Next, you need to trap the WM_IDLEUPDATECMDUI message. This is an MFC-defined message in AFXPRIV.H (a description of this message is in the MFC technotes, somewhere in the 20's I believe). From the handler for WM_IDLEUPDATECMDUI you can use the CCmdUI mechanism to handle the updating. Refer to the handler for CFrameWnd for assistance. It's really easy and will only take a few minutes to implement. That should be all that you need to do. I haven't tried this though, so it is only a best guess, but according to the MFC code, it should work. Michael Collins Quote: >> I can't seem to check menu items with the code I have below in a dialoged >>based application. This same code however, will work in an SDI or MDI >>application. This code is very simplictic using ON_UPDATE _COMMAND >>handlers. Say it ain't so that you can't check menu items in a dialog app. >OK, I won't say it. That won't change the reality though <g>. The >problem is that the command-ui dispatching stuff is in the cframewnd >class, but not in the cdialog. I have heard of people copying chunks >of code from CFrameWnd to try and get this working, but I always >figured that life was too short for that and simply used the old >fashioned API calls to do my checking and enabling. >Bob Moore [WinSDK MVP]
Sun, 19 Mar 2000 03:00:00 GMT

Page 1 of 1

[ 4 post ]