How to check whether anyone form is open or not in mdiparent

Question

Hi frds For Example my mdiparent contain two child forms. Already Form1 is open at this time I click Form2 means it doesn't open. It will show the message box. How Can I do this?

Priyaranjan K S · Answer

Hi You may refer these articles : http://dotnetgoutham.blogspot.in/2012/02/c-check-if-form-is-already-running.html http://www.codeproject.com/Articles/7783/Check-to-see-if-an-MDI-Child-is-already-active-in Thanks Priyan If you found this useful Please Accept this as Answer.