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36.gu_getvisualinfoa
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gadutil.library/GU_GetVisualInfoA gadutil.library/GU_GetVisualInfoA
NAME
GU_GetVisualInfoA -- Get information GadTools needs for visuals.
SYNOPSIS
vi = GU_GetVisualInfoA(screen, taglist)
D0 A0 A1
APTR GU_GetVisualInfoA(struct Screen *, struct TagItem *);
FUNCTION
Get a pointer to a (private) block of data containing various bits
of information that GadTools needs to ensure the best quality
visuals. Use the result in the NewGadget structure of any gadget
you create, or as a parameter to the various menu calls. Once the
gadgets/menus are no longer needed (after the last CloseWindow()),
call FreeVisualInfo().
INPUTS
screen - pointer to the screen you will be opening on. This parameter
may be NULL, in which case this function fails.
tagList - pointer to an array of tags providing optional extra
parameters, or NULL.
RESULT
vi - pointer to private data, or NULL for failure
NOTES
See gadtools/GetVisualInfoA() for more information.
SEE ALSO
GU_FreeVisualInfo(), gadtools/FreeVisualInfo(), intuition/LockPubScreen(),
intuition/UnlockPubScreen()