>How can I make changes on container object ?
>
>thanks for your help since I am new in coding class object !!!

Wow, that's more than a little bit of an open ended question!

About the best I could suggest would be to build a visual class that's a container, drop some textboxes, etc., on it, and then view that container class using the class browser. That should get you started so that you can see how you would define a container heirachy in a programmatic class.

You should then see something like this:

DEFINE CLASS myContainer AS Container


	Width = 100
	Height = 100
	Name = "mycontainer"


	ADD OBJECT textbox1 AS textbox WITH ;
		Height = 24, ;
		Left = 0, ;
		Top = 0, ;
		Width = 36, ;
		Customproperty = 0, ;
		Name = "Textbox1"

        PROCEDURE Click
            THIS.DoSomething()
        ENDPROC

        PROCEDURE DoSomething
            *
            * your code here
            *
        ENDPROC

ENDDEFINE

Now you could do an ADDOBJECT of mycontainer (with it's textbox) to your DEFINE CLASS for your form.