Does anybody see my mistake here?
Private Sub Form1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Click
Dim renderer As VisualStyleRenderer
renderer = New VisualStyleRenderer(VisualStyleElement.Button.PushButton.Normal)
Dim nRect As New Rectangle
nRect = Rectangle.FromLTRB(0, 0, 100, 100)
renderer.DrawBackground(Me.PictureBox1.CreateGraphics, nRect)
Me.PictureBox1.Invalidate(True)
End Sub
You should never draw on
CreateGraphics()
; it will be erased next time the control paints itself.Instead, you need to handle the
Paint
event and draw one.Graphics
.