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X, The Substring Command
 
The Execute Substring command allows you to execute a second substring
from a DRAW command string. You can have one string expression execute
another, which executes a third, and so on.
 
DRAW stringexpression$
    ■ This command has the following syntax:
 
          "X" + VARPTR$(string-expression)
 
    ■ Numeric arguments to macrocommands within stringexpression$ can
      be constants or variable names.
 
See Also    ◄DRAW►
            ◄Line-Drawing and Cursor-Movement Commands►
            ◄Rotation, Color, and Scale-Factor Commands►