c# - Form based on selected menu item -

i have made sidebar dock on left side of application.

now i'm wondering what's best way show form based on menu option they've selected sidebar.

this want do:

on left menu bar, on right side want have form based on option clicked on left.

i have looked mdi when controlbox though i've disabled in child form.

update: seems works well:

looks can create own user controls it:

if want second wont allow access main form unless closed.then use this...

second_form_name    sfn = new second_form_name(); sfn.showdialog();

if want second allow access main form unless closed.then use

 second_form_name    sfn = new second_form_name();   sfn.show();

Three