Panel problem in visual basic 2010

Question

I created a panel and I added a link to other form using the code

Private Sub Panel1_Paint_1(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Panel1.Paint    

        AdminLogin.TopLevel = False
        Me.Panel1.Controls.Add(AdminLogin)
        AdminLogin.Show()

 End Sub

The panel is displaying the adminlogin form which is inside the panel but when I click any buttons inside the adminlogin the adminlogin form blinks. Why this blink is occurring ? how can I stop it?I had also added me.refresh inside the panel but it is not working?

Answer 1

Why this blink is occurring ?

It is blinking because you are adding a control every paint the panel which happens when you click on a button.

how can I stop it?

You only add the control if it is not already been added.

Of course this doesn't mean your overal design isn't flawed.