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 C_WCLEAR()

 DESCRIPTION

 C_WCLEAR() clears a ClipOn window to the current window color using
 the window reference variable to specify the window to clear.
 (Refer to Chapter 3 for a complete discussion about ClipOn windows.)

 NOTES

 The numeric reference for the ClipOn window is a pointer to the
 window in memory.  Be careful not to change the value of this
 pointer, or the window will be unaccessible.

 SYNTAX

 C_WCLEAR(window [,box])

 PARAMETERS

 window (N) is the numeric reference variable for the ClipOn window.

 box (L) indicates whether or not the window has a box around the
 outer region.  This will prevent the box around the window from
 being overwritten.  Specify true (.T.) if the window has a box
 around the outer region, otherwise false (.F.).  If the window was
 defined with a box when it was created, that definition will be used.

 RETURNS

 There is no return value.

 EXAMPLES

 w1 = c_wsave(10,10,20,70)                  && Create window
 ...
 c_wsay(w1,2,2,"Display Text on Window")    && Write to window
 ...
 c_wclear(w1)                               && Clear window