IOleInPlaceFrame::SetMenu - OLE Programmer's Reference

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IOleInPlaceFrame::SetMenu

Installs the composite menu in the window frame containing the object being activated in place.

HRESULT SetMenu(

HMENU hmenuShared,	//Handle to composite menu
HOLEMENU holemenu,	//Handle to menu descriptor
HWND hwndActiveObject	//Handle to object's window
);

Parameters
hmenuShared
[in] Specifies a handle to the composite menu constructed by calls to IOleInPlaceFrame::InsertMenus and the Windows InsertMenu function.

holemenu
[in] Specifies the handle to the menu descriptor returned by the OleCreateMenuDescriptor function.

hwndActiveObject
[in] Specifies a handle to a window owned by the object and to which menu messages, commands, and accelerators are to be sent.

Return Values
S_OK

The method completed successfully.

E_INVALIDARG

One or more arguments are invalid.

E_UNEXPECTED

An unexpected error occurred.

Comments
Notes to Callers
The object calls IOleInPlaceFrame::SetMenu to ask the container to install the composite menu structure set up by calls to IOleInPlaceFrame::InsertMenus.

Notes to Implementors
An SDI container's implementation of this method should call the Windows SetMenu function. An MDI container should send a WM_MDISETMENU message, using hmenuShared as the menu to install. The container should call OleSetMenuDescriptor to install the OLE dispatching code.

When deactivating, the container must call IOleInPlaceFrame::SetMenu specifying NULL to remove the shared menu. This is done to help minimize window repaints. The container should also call OleSetMenuDescriptor specifying NULL to unhook the dispatching code. Finally, the object application calls OleDestroyMenuDescriptor to free the data structure.

Note While executing IOleInPlaceFrame::SetMenu, do not make calls to the Windows PeekMessage or GetMessage functions, or a dialog box. Doing so may cause the system to deadlock. There are further restrictions on which OLE interface methods and functions can be called from within SetMenu.

See Also
IOleInPlaceFrame::InsertMenus, OleSetMenuDescriptor, OleDestroyMenuDescriptor
PeekMessage, GetMessage in Win32

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