private void LockModeButtonEnabler(PropLineTool.DrawMode drawModeButton, bool isEnabled) { int _index = 0; switch (drawModeButton) { case PropLineTool.DrawMode.Single: { _index = 0; break; } case PropLineTool.DrawMode.Straight: { _index = 1; break; } case PropLineTool.DrawMode.Curved: { _index = 2; break; } case PropLineTool.DrawMode.Freeform: { _index = 3; break; } case PropLineTool.DrawMode.Circle: { _index = 4; break; } } //if(_index == 4) //{ // return; //} if (isEnabled) { _tabstrip.EnableTab(_index); } else { _tabstrip.DisableTab(_index); } }