WAClose() - Close all windows
 Close all open windows
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 Syntax

     WAClose() --> nError

 Arguments

     None

 Returns

     0 if successful.
     -1 if not.

 Description

     WAClose() closes all open windows. If one or more windows is open a call
     to WAClose() will close all of the open windows, restoring the screen
     beneath each window and return a 0.

     If there are no windows open when you call WAClose(), WAClose() will
     return -1.

 Examples

     ■  This example shows a call to close all windows:

        nWindow1 := WOpen(nTop1, nLeft1, nBottom1, nRight1)
        nWindow2 := WOpen(nTop2, nLeft2, nBottom2, nRight2)
        .
        .
        .
        WAClose()


 Files:  Library is MRWINDOW.LIB.