6.7 Identifier reference

validateRect

Function

: The ML function validateRect corresponds to the C function ValidateRect in the Windows SDK. It has the following type:

val validateRect : hwnd * rect MLWorks.Option.option -> unit

: Whereas the Windows function returns a BOOL, the ML function returns unit, and raises an exception if the function fails. Furthermore, the ML function passes the actual rect structure, whereas the Windows function passes a pointer.