QUOTE>
  <P><FONT SIZE=-1 FACE="Verdana, Arial, Helvetica">a) This function will
  use a real mode callback that was allocated by the DOS/32 Advanced at startup
  to pass the control from real mode mouse handler to your protected mode
  interrupt handler.</FONT></P>
  <P><FONT SIZE=-1 FACE="Verdana, Arial, Helvetica">b) Calling this function
  with zero values in ES:EDX (0000:00000000h) will uninstall your protected
  mode interrupt handler.</FONT></P>
</BLOCKQUOTE>

<P>&nbsp;</P>
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