Declare Function sqr Lib "sqrw.dll" (ByVal sString As String) As Integer Declare Function sqrend Lib "sqrw.dll" () As Integer private sub SQR_Procedure dim nResult as integer dim sString as string sString = sTempPath & "Temp.SQR -E -M -O" nResult = sqr(sString) nResult = sqrend() ' Make sure you call sqrend after you're done end sub