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' Make a variable that holds a reference to Tab Form instances.
Private tabForm As Form;
' Somewhere in your code, lets say a button click for TabOne
Private Sub OnTabOneButtonClick(ByVal sender As Object, ByVal e As EventArgs) Handles TabOneButton.Click
tabForm = New TabOneForm()
Private Sub OnTabSelected(ByVal sender As Object, ByVal e As TabControlEventArgs) Handles MainTabControl.Selected
If Not tabForm Is Nothing
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Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.