The FMEVENT_TOOLBARLOAD message is sent to an extension DLL when File Manager is loading its toolbar. This message allows an extension DLL to add a button to the File Manager toolbar.
FMEVENT_TOOLBARLOAD
lpfmstbl = (LPFMS_TOOLBARLOAD) lParam; /* toolbar data */
Parameters
lpfmstbl
Points to an FMS_TOOLBARLOAD structure. If the extension DLL adds a button to the toolbar in File Manager, the DLL should fill the structure with information about the button.
Return Values
An extension DLL must return TRUE to add the button to the toolbar. If the DLL returns FALSE, File Manager does not add the button.
See Also