SetClearB()  Changes the default clear screen character
 Used as the default clear screen character
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 Syntax

     SetClearB([ <cClearChar | nClearChar>] ) --> cNull

 Argument

     <cClearChar | nClearChar> is the character to set as the default clear
     character. The default is CHR(255).

 Returns

     SetClearB() always returns a null string, or "".

 Description

     SetClearB() is used to set the character that is used as a clear
     character for functions that take advantage of the SetClearB() function.

 Examples

     ■  Use CHR(178) as a clear character

        SetClearB(178)

 Files:  Library is MRWINDOW.LIB.