Returns a menu identifier for use with other menu-related functions.
MENUID _GetNewMenuId(void any) void any; /* Pointer. */ |
Remarks
Every menu must have a unique identifier.
For more information on how to create an API library and integrate it with Visual FoxPro, see Accessing the Visual FoxPro API.
Example
The following example builds a menu with three items. Before the example can create a menu using _NewMenu(В ), it must use _GetNewMenuId(В ) to generate a unique MENUID.
Visual FoxPro Code
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SET LIBRARY TO GETNWMID |
C Code
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#include <pro_ext.h> void putLong(long n) { Value val; val.ev_type = 'I'; val.ev_long = n; val.ev_width = 10; _PutValue(&val); } FAR GetNewItemId(ParamBlk FAR *parm) { MENUID menuId; ITEMID itemId; Point loc; menuId = _GetNewMenuId(); _NewMenu(MPOPUP, menuId); itemId = _GetNewItemId(menuId); _NewItem(menuId, itemId, -2, "\\<1st item"); itemId = _GetNewItemId(menuId); _NewItem(menuId, itemId, -2, "\\<2nd item"); itemId = _GetNewItemId(menuId); _NewItem(menuId, itemId, -2, "\\<3rd item"); loc.v = 10; loc.h = 20; _SetMenuPoint(menuId, loc); _MenuInteract(&menuId, &itemId); _PutStr("\nmenuId ="); putLong(menuId); _PutStr("\nitemId ="); putLong(itemId); _DisposeMenu(menuId); } FoxInfo myFoxInfo[] = { {"ONLOAD", (FPFI) GetNewItemId, CALLONLOAD, ""}, }; FoxTable _FoxTable = { (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo }; |