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Question on using a CMenu

Hi,

I create a CMenu on the fly when the user right clicks on one of my controls. It's a simple cut/copy/paste menu.

            CMenu *PopupMenu = new CMenu();
            POINT DesktopPoint;
            DesktopPoint.x = point.x;
            DesktopPoint.y = point.y;
            ClientToScreen(&DesktopPoint);
            PopupMenu->AppendMenu(MF_STRING, 1, "Copy");
            PopupMenu->AppendMenu(MF_STRING, 2, "Cut");
            PopupMenu->AppendMenu(MF_STRING, 3, "Paste");
            BOOL bResponse =
                  PopupMenu->TrackPopupMenu(TPM_LEFTALIGN, DesktopPoint.x, DesktopPoint.y, this);

The above code shows the menu but how do I know if they chose "Copy", "Cut", or "Paste"?

jkr

The window you're passing in as the last parameter of 'TrackPopupMenu()' will receive the selction as a 'WM_COMMAND' message with

wNotifyCode = HIWORD(wParam); // notification code - 0 for menus
wID = LOWORD(wParam); // item, control, or accelerator identifier - the menu item ID
hwndCtl = (HWND) lParam; // handle of control

So, you'll receive 1, 2 or 3 in wID.

jkr

Oh, there even seems to be an easier way using 'TPM_RETURNCMD', see http://www.codeproject.com/menu/MenusForBeginners.asp#tpm

// some typical menu code using the TPM_RETURNCMD option:
CMenu menu;
CMenu *pSub = NULL;

// popup a menu to get the number of pages to display
VERIFY(menu.LoadMenu(IDR_PREVIEW_PAGES));
pSub = menu.GetSubMenu(0);

// NOTE : If you need to enable or disable the menu items
// in this list based on the number of pages in your printout,
// you can either do it here before the menu is displayed, or write a
// handler for the WM_INITMENUPOPUP message and configure the
// enabled/disabled state at that point.
int command = pSub->TrackPopupMenu(
TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RETURNCMD,
point.x,
point.y,
this);

switch (command)
{
case ID_PAGES_1PAGE :
m_Across = 1;
m_Down = 1;
m_nZoomOutPages = 1;
break;
case ID_PAGES_2PAGES :
m_Across = 2;
m_Down = 1;
m_nZoomOutPages = 2;
break;
case ID_PAGES_3PAGES :
m_Across = 3;
m_Down = 1;
m_nZoomOutPages = 3;
break;
case ID_PAGES_4PAGES :
m_Across = 2;
m_Down = 2;
m_nZoomOutPages = 4;
break;
case ID_PAGES_6PAGES :
m_Across = 3;
m_Down = 2;
m_nZoomOutPages = 6;
break;
case ID_PAGES_9PAGES :
m_Across = 3;
m_Down = 3;
m_nZoomOutPages = 9;
break;
default :
return;
}

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jkr

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NawalKishore1976

I will suggest to create one Menu in Resource.

On Right Click Load and Display this menu.

You can eaisly add the message handler using the MFC class wizard then.

SOLUTION

NawalKishore1976

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