2 * Window classes definitions
4 * Copyright 1993 Alexandre Julliard
12 #define CLASS_MAGIC 0x4b4e /* 'NK' */
18 /* !! Don't change this structure (see GetClassLong()) */
19 typedef struct tagCLASS
21 HCLASS hNext; /* Next class */
22 WORD wMagic; /* Magic number (must be CLASS_MAGIC) */
23 ATOM atomName; /* Name of the class */
24 HANDLE hdce; /* Class DCE (if CS_CLASSDC) */
25 WORD cWindows; /* Count of existing windows of this class */
26 WNDCLASS wc WINE_PACKED; /* Class information */
27 WORD wExtra[1]; /* Class extra bytes */
35 HCLASS CLASS_FindClassByName( SEGPTR name, HINSTANCE hinstance, CLASS **ptr );
36 CLASS * CLASS_FindClassPtr( HCLASS hclass );