added LSL2 stored procedures

LSL2/STPROC/EXPORTS_COLUMN_VALID.txt

@@ -0,0 +1,47 @@
+compile subroutine exports_column_valid(ConvType, DataIo, Branch, ReturnedValue)
+begin condition
+pre:
+post:
+end condition
+
+$insert logical
+$insert exports_equ
+$insert msg_equates
+declare function msg, get_property, set_property
+equ valid$         to 0    ;* successful
+equ invalid_msg$   to 1    ;* bad data       -   print error message window
+equ invalid_conv$  to 2    ;* bad conversion -          "         "
+equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
+
+ReturnedValue = DataIo       
+status() = Valid$  
+*
+begin case
+   case ConvType = 'ICONV'
+      if Branch = 'Columns' then
+          VInfo = get_property( @window, '@Columns' )
+          ErrMsg = 'Not a Valid Column '
+      end else
+          if Branch = 'BtreeColumns' then
+              VInfo = get_property( @window, '@BtreeColumns' )
+              ErrMsg = 'Not a valid Btree Column '
+          end else
+              VInfo = get_property( @window, '@QColumns' )
+              ErrMsg = 'Not a valid Non Indexed Column'
+          end
+      end
+      locate DataIo in VInfo using @vm setting Dum else
+          MsgInfo = ''
+          MsgInfo<micon$> = '!'
+          MsgInfo<mtext$> = ErrMsg:'Press [SF2] for a valid listing...'
+          Void = msg( '', MsgInfo )
+          status() = invalid_nomsg$
+      end
+   case ConvType = 'OCONV'
+      * no output
+      ReturnedValue = DataIo
+   case otherwise$
+      ReturnedValue = ''
+      status() = invalid_conv$
+end case
+return