>Jay,
>
>Those two slashes must be together, like '\\' and there should be not more than those two? If that is true, maybe you could do the work in KeyPress instead, something like
>
>

>loForm			= Createobject('myForm')
>loForm.Show(1)
>
>define class myForm as Form
>	add object myTextBox as Textbox
>
>	procedure myTextBox.KeyPress(nKeyCode, nShiftAltCtrl)
>	
>		nodefault
>		if nKeyCode # 92 or At('\', this.Value) = 0
>			Dodefault(nKeyCode, nShiftAltCtrl)
>			if nKeyCode = 92 and nShiftAltCtrl = 0
>				Dodefault(nKeyCode, nShiftAltCtrl)
>			endif
>		endif
>	
>	endproc
>	
>enddefine
>

>
>This way you are even saving keystrokes to the user <g> (Not completely sure if it is free of side efects)

What if you typed \ by mistake? <g> Now you would have to delete 2 letters :)