i want close the top most form property is ture in vb.net coding at runtime.

Question

hi


i have created the small project, it contains 3 form.

first one is main (mdi parent) form

second one is child form

third one is top most property is true.

when i will close the second(mdi children) form at the same time third form(top most property is true) will close.

what is the procedure to close the top most property is true form with vb.net coding at runtime.