Name of TreeView control to refresh.

Indicates the start position for the refresh. If this parameter is not specified:

• For a browsing TreeView control, the function behaves like if the taInit constant was passed in parameter.
• For a memory TreeView control, no effect.

This parameter can correspond to:

• An integer. The refresh is performed from this position. The selected line is not modified.
  For a browsing TreeView control, the event "Displaying a row" for the <Position> row is run. The current element in the TreeView control is the same as the current record in the data file.
  For a memory TreeView control, the <Position> line is re-displayed.
• A character or a constant:
  

  	Browsing TreeView control loaded in memory	Memory TreeView control
  taCurrentSelection	Re-displays the TreeView control. The selected line is unchanged.	Re-displays the TreeView control. The selected line is unchanged.
  taCurrentRecord	Re-runs the linked query if necessary. Takes into account the records added, modified or deleted by other computers. Selects the current record. The scrollbar position is stored as long as the selection remains visible. Runs the "Initializing" and "End of initialization" events of the control, then the "Selecting a row" event for the selected row (even if it is not modified).	No effect.
  taStart	Refreshes the TreeView control by positioning at the beginning of control. The first line is selected. This row corresponds to the first record.	No effect.
  taInit	Runs the initialization code of TreeView control (initialization code and end of initialization code). Fills the TreeView control. The first line of TreeView control is selected. This line corresponds to the current record at the end of initialization code of TreeView control.	No effect.
  taReExecuteQuery	Re-runs the query linked to the TreeView control. Refreshes the TreeView control by positioning at the beginning of control. The first line of TreeView control is selected. This row corresponds to the first record. Caution: Only the query linked to the TreeView control is run. If specific options have been specified by <Source>.ExecuteRequest (hModifyFile for example), these options are ignored.	No effect.