StrScreen() - display a string with colour attributes
 Displays a string with characters and attributes on the screen
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 Syntax

     StrScreen( <cCharString>, [<nRow>], [<nCol>] ) --> cNull

 Arguments

     <cCharString> is the character string to display.

     <nRow> is the screen row to output from. The default is the cursor line.

     <nCol> is the screen column to output from. The default is the
     cursor column.

 Returns

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

 Description

     StrScreen() is used to display the contents of a variable to the screen
     assuming that it has the sames format as that of a screen i.e. character,
     color string, charater, colour string etc.

 Notes

     ■  This function does not alter the cursor position.

 Examples

     ■  Output "Dark" at the current cursor position with a different
        attribute for each character:

        StrScreen("D"+CHR(1)+"a"+CHR(2)+"r"+CHR(3)+"k"+CHR(4))

     ■  Output "Dark" with different attributes at the current cursor
        column on the bottom row of the active window:

        StrScreen("D"+CHR(1)+"a"+CHR(2)+"r"+CHR(3)+"k"+CHR(4), MaxRow())

 Files:  Library is MRWINDOW.LIB.