Start with windows, registry writing

Here's an overloaded function that will write or delete a key in the current user's windows\run subkey in the registry to allow your app to start with windows or to no longer start with windows. This code is specific to the currently logged in user, it doesn't write to the hkey_local_machine.

The first function allows you to specify an application name (the name of the key itself) as well as the path whereas the other function gets the path of the running app as well as the name automatically and passes it in, so all you have to do is specify the "StartWithWindows" boolean.

Code:

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    Public Overloads Function RegStartWithWindows(ByVal StartWithWindows As Boolean) As Boolean
        Return RegStartWithWindows(StartWithWindows, System.IO.Path.GetFileNameWithoutExtension(Environment.GetCommandLineArgs(0I)), Environment.GetCommandLineArgs(0I))
    End Function

    Public Overloads Function RegStartWithWindows(ByVal StartWithWindows As Boolean, ByVal AppName As String, ByVal AppPath As String) As Boolean
        Dim Output As Boolean = False
        Dim SubKey As Microsoft.Win32.RegistryKey = Nothing
        Try
            SubKey = My.Computer.Registry.CurrentUser.OpenSubKey("Software\Microsoft\Windows\CurrentVersion\Run", Microsoft.Win32.RegistryKeyPermissionCheck.ReadWriteSubTree)
            If StartWithWindows Then
                'Create/Modify
                SubKey.SetValue(AppName, AppPath)
            Else
                'Delete
                Dim KeyExists As Boolean = False
                For Each strkey As String In SubKey.GetValueNames
                    If strkey = AppName Then KeyExists = True 'It exisits, it can be deleted
                Next strkey
                If KeyExists Then SubKey.DeleteValue(AppName) 'Delete since it exists
            End If
            Output = True
        Catch ex As Exception
            MessageBox.Show(ex.ToString, "WriteRegistry")
        Finally
            If SubKey IsNot Nothing Then SubKey.Close()
        End Try
        Return Output
    End Function

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Just drop these into your project (even a module, doesn't matter much) and call either one of them.