In this VB.Net Tutorial/Code Example I’ll be showing you how to check to see whether there is an instance of a form open in your application.
''' <summary> ''' This method deals with checking to see whether a particular form is open ''' </summary> ''' <param name="formName">The name of the form that you are looking for</param> ''' <returns></returns> ''' <remarks></remarks> Public Shared Function isFormOpen(ByVal formName As String) As Boolean Dim frm As Form Dim i As Integer = 0 Dim found As Boolean = False While i < Application.OpenForms.Count frm = Application.OpenForms.Item(i) If frm.Name.ToLower = formName.ToLower Then found = True Exit While End If i += 1 End While Return found End Function{/code}
Check whether an instance of a form is open
Hi, I found your article, used it, it helped. Thanks!