NIM_SETVERSION top-level constant Null safety
Shell32.dll version 5.0 and later only. Instructs the notification area to behave according to the version number specified in the uVersion member of the structure pointed to by lpdata. The version number specifies which members are recognized. NIM_SETVERSION must be called every time a notification area icon is added (NIM_ADD)>. It does not need to be called with NIM_MOFIDY. The version setting is not persisted once a user logs off.
const NIM_SETVERSION = 0x00000004;