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Tip of the Day
Language: PowerBuilder
Expertise: Beginner
Jan 8, 1999

Access controls inside a tab object

Question:
How can I access the controls placed on a tabpage in a tab object (for example, from a user event on a sheet window containing the tab object, to get the values of certain column of a datawindow on a tabpage of the tab object)? All tab pages are defined by inserting tab pages into the tab control object.

Answer:
To access the pages of a tab control, you need to walk through the tab control array. For example, the following code loops through the array looking for the control on the selected tab that has the lowest none zero tab order. You can alter this code to do what you want and more:

Integer li_Max, li_I, li_Order = 9999
DragObject ldo_Focus, ldo_Temp

li_Max = UpperBound( tb_1.Control[ tb_1.SelectedTab ].Control )

FOR li_I = 1 TO li_Max
  ldo_Temp = tb_1.Control[ tb_1.selectedtab ].Control[ li_I ]
  IF ldo_Temp.taborder < li_Order AND ldo_Temp.taborder > 0 THEN
    li_Order = ldo_Temp.taborder
    ldo_Focus = ldo_Temp
  END IF
NEXT
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