CSnapInItemImpl::UpdateMenuState

void UpdateMenuState( UINT id, LPTSTR pBuf, UINT *flags );

Parameters

[in] The ID of the menu item to be set.

pBuf

[in] A pointer to the string for the menu item to be updated.

flags

[in] Specifies the new state flags. This can be a combination of the following flags:

MF_POPUP Specifies that this is a submenu within the context menu. Menu items, insertion points, and further submenus may be added to this submenu using its lCommandID as their IInsertionPointID.
MF_BITMAP and MF_OWNERDRAW These flags are not permitted and will result in a return value of E_INVALIDARG.
MF_SEPARATOR Draws a horizontal dividing line. Only IContextMenuProvider is allowed to add menu items with MF_SEPARATOR set.
MF_CHECKED Places a check mark next to the menu item.
MF_DISABLED Disables the menu item so it cannot be selected, but the flag does not gray it.
MF_ENABLED Enables the menu item so it can be selected, restoring it from its grayed state.
MF_GRAYED Disables the menu item, graying it so it cannot be selected.
MF_MENUBARBREAK Functions the same as the MF_MENUBREAK flag for a menu bar. For a drop-down menu, submenu, or shortcut menu, the new column is separated from the old column by a vertical line.
MF_MENUBREAK Places the item on a new line (for a menu bar) or in a new column (for a drop-down menu, submenu, or shortcut menu) without separating columns.
MF_UNCHECKED Does not place a check mark next to the item (default).
The following groups of flags cannot be used together:
MF_DISABLED, MF_ENABLED, and MF_GRAYED
MF_MENUBARBREAK and MF_MENUBREAK
MF_CHECKED and MF_UNCHECKED

Remarks

Call this function to modify a menu item before it is inserted into the context menu of the snap-in object.