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BBS in a Box 7
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BBS in a Box - Macintosh - Volume VII (BBS in a Box) (January 1993).iso
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4D Feb Etrnls.cpt
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4DTE_15021
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1988-02-16
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The routines ManageMap, GetMap, FillMap allow you to manage a multi-valued picture area. The user clicks on one picture to select it.
FillMap(Var;Expr_Pict)
Var is a LongInt containing the handle to the external area.
Expr_Pict is a picture expression
FillMap adds in the area specified by Var, the picture specified by Expr_Pict.
GetMap(Var1;Var2)
Var1 is a LongInt containing the handle to the external area.
Var2 is a numeric variable
Call GetMap in the during phase of the layout procedure to check if the user has clicked on a picture. If so, you get the ID of the picture in Var2.
ManageMap
This routine does not require parameters. ManageMap is the routine associated with the external area.