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Returns an identifier that's currently available for use as an item identifier in the specified menu.

ITEMID _GetNewItemId(MENUID menuid)
MENUID menuid;            /* Menu identifier. */


Every item in a menu must have an identifier that's unique to that menu.

After using _GetNewItemId(В ), add the new item to the menu with _NewItem(В ) before using _GetNewItemId(В ) again. If you don't add the item to the menu, subsequent calls to _GetNewItemId(В ) return the same ITEMID.

For more information on how to create an API library and integrate it with Visual FoxPro, see Accessing the Visual FoxPro API.


The following example creates a menu with three items. Before each item is added to the menu, a unique ITEMID is generated by calling _GetNewItemId(В ).

Visual FoxPro Code

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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;


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);


FoxInfo myFoxInfo[] = {
   {"ONLOAD", (FPFI) GetNewItemId, CALLONLOAD, ""},
FoxTable _FoxTable = {
   (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo

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JavaScript Editor js editor     Web development