how to create the pop up window to contorl cursor of table list

in dnypro i create a table contorl

under the table contorl there have a button named "position",

the table control have 4 line

line1 line2 line3 line4

when i push the "positon" button, a pop up window Jumped out .in this window there are 2 parameters like

*********************

line1 :_____

line2 :_____

OK CANCEL

********************

when i input the parameters,the cursor will jump to the corresponding line of the table contorl

how to do this, i want " code ",

thank you very much!!