How to open only one instance of a form
  • hello
    I want to know how can i restrict my application to open one instance of a form. 
    waiting for some help/suggestions
  • 3 Comments sorted by
  • Make form as static
  • how to make a form static. Please share some code example
  •  public static Form IsFormAlreadyOpen(Type FormType)
                foreach (Form OpenForm in System.Windows.Forms.Application.OpenForms)
                    if (OpenForm.GetType() == FormType)
                        return OpenForm;
                return null;

     var status = IsFormAlreadyOpen(SampleForm));

                if (status == null)



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