LeftColChange Event (TDBCombo)
The LeftColChange event occurs when the first visible column of a control is changed.
object_LeftColChange ( )
Arguments
None
Event applies to TDBList and TDBCombo controls.
This event is triggered under several circumstances:
· When the control is first displayed.
· When the user scrolls through the control with the horizontal scroll bar or navigation keys.
· When the LeftCol property is changed in code to a different value.
· When the Visible property of the current left column is set to False.
· When the Width property of the current left column is set to 0.
· When the user resizes the current left column so that it is no longer visible.
· When the user moves the current left column or moves another column into its place.
When multiple cell change events are sent, the order will be FirstRowChange, LeftColChange, and RowChange.
See Also