Function GetAttribIMsgOnIStg
pub unsafe extern "system" fn GetAttribIMsgOnIStg(
lpobject: *mut c_void,
lpproptagarray: *mut SPropTagArray,
lpppropattrarray: *mut *mut SPropAttrArray,
) -> HRESULT
pub unsafe extern "system" fn GetAttribIMsgOnIStg(
lpobject: *mut c_void,
lpproptagarray: *mut SPropTagArray,
lpppropattrarray: *mut *mut SPropAttrArray,
) -> HRESULT