home *** CD-ROM | disk | FTP | other *** search
- /*
-
- WINSTD.H
-
- standard definitions for Windows source files
-
- created: STG 6/1/91
- modified:
-
- */
-
- /* standard dialog grouping options */
-
- #define TABGRP (WS_TABSTOP | WS_GROUP)
-
- /* definition of macro to get the offset of a field in a structure */
- /* standardly defined in stddef.h, included here in case stddef.h not inc'd */
-
- #ifndef offsetof
- #define offsetof(Struct, Member) \
- (unsigned int) &(((Struct NEAR *)0)->Member)
- #endif
-
- /*
- the following macros allow easy access to window and class extra bytes,
- based on offsets into defined a structure that "maps" onto the appropriate
- array of extra bytes
-
- Modified from:
- "Windows 3.0: A Developer's Guide", Jeffrey M. Richter, M&T Books, 1991.
- */
-
- /* store a value in the window extra bytes of a window */
-
- #define SET_WND_EXTRABYTES(hWnd, Struct, Member, Value) \
- ((sizeof (((Struct FAR *)0)->Member) == sizeof (DWORD)) ? \
- SetWindowLong (hWnd, offsetof (Struct, Member), Value) : \
- SetWindowWord (hWnd, offsetof (Struct, Member), (WORD) Value))
-
- /* store a value in the class extra bytes of a class */
-
- #define SET_CLS_EXTRABYTES(hWnd, Struct, Member, Value) \
- ((sizeof (((Struct FAR *)0)->Member) == sizeof (DWORD)) ? \
- SetClassLong (hWnd, offsetof (Struct, Member), Value) : \
- SetClassWord (hWnd, offsetof (Struct, Member), (WORD) Value))
-
- /* retrieve a value from a window's extra bytes */
-
- #define GET_WND_EXTRABYTES(hWnd, Struct, Member) \
- ((sizeof (((Struct FAR *)0)->Member) == sizeof (DWORD)) ? \
- GetWindowLong (hWnd, offsetof (Struct, Member)) : \
- GetWindowWord (hWnd, offsetof (Struct, Member)))
-
- /* retrieve a value from a class' extra bytes */
-
- #define GET_CLS_EXTRABYTES(hWnd, Struct, Member) \
- ((sizeof (((Struct FAR *)0)->Member) == sizeof (DWORD)) ? \
- GetClassLong (hWnd, offsetof (Struct, Member)) : \
- GetClassWord (hWnd, offsetof (Struct, Member)))
-
- /* delay in seconds */
-
- #define WAIT_MSECS(msecs) \
- { \
- DWORD dwTime = GetTickCount (); \
- while (GetTickCount () < dwTime + msecs); \
- }
-