Clickable Window Titlebar Button Entry
This item places one or more of the possible window titlebar buttons, close, maximize, and/or minimize, in the upper-right of the current GUI. It should only be used with GUIRSmallWin or GUIRLargeWin items; use with GUIRnull will probably cause a crash.
Type ID: 5
Datalength: 7 bytes
0: button flags: %[-],[o],[x],00000. Any bit set to 1 indicates that button should be shown. [1 byte] 1: Onclick pointer for [-] (or 0 if not present) [2 bytes] 3: Onclick pointer for [o] (or 0 if not present) [2 bytes] 5: Onclick pointer for [x] (or 0 if not present) [2 bytes]