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Tip of the Day
Language: C#
Expertise: Intermediate
Dec 18, 2006

Recursive Function Finds a Control on a Form

This recursive function finds a control on a form by its name.

//written in C#

/// <summary>
///Recursive function to find control on the form by its name
/// </summary>
private Control _co;
private Control _find_control(Control _c, string _name)
{
   if (_co != null) return _co;
   IEnumerator _ir =  _c.Controls.GetEnumerator(); 
   _ir.Reset();
   while (_ir.MoveNext())
   {
      if (_co != null) break;
      if (((Control)_ir.Current).Name == _name)
      {
         _co = ((Control)_ir.Current);			
         break;
      }
      _find_control(((Control)_ir.Current),_name);
   }
   return _co;
}



//usage examples

Form1 _fm = (Form1)this.FindForm();
_co = null;
DataGrid _dg = (DataGrid)_find_control((Control)_fm,"GRID1");
_co = null;
Label _lbl = (Label)_find_control((Control)_fm,"Label1");


Yuriy Bas
 
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