Close all Child Form ???

[npqk]

How can I close all Child Form by clicking a button from the Parent Form ?

[Christian Graus]

For that to even work, the child forms need to be modeless, so you'll have variables in the main form that represent the other forms. Call their close methods. Christian I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer

[Skynyrd]

if ur child forms are simply owned by the parent form then: foreach(Form frm in this.OwnedForms) { frm.Close(); } else if they are MdiChilds then: foreach(Form frm in this.MdiChildren) { frm.Close(); }