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ListView Flicker

The ListView control has a flicker issue. The problem appears to be that the control’s Update overload is improperly implemented such that it acts like a Refresh. An Update should cause the control to redraw only its invalid regions whereas a Refresh redraws the control’s entire client area. So if you were to change, say, the background color of one item in the list then only that particular item should need to be repainted. Unfortunately, the ListView control seems to be of a different opinion and wants to repaint its entire surface whenever you mess with a single item… even if the item is not currently being displayed. So, anyways, you can easily suppress the flicker by rolling your own as follows:.

class ListViewNF : System.Windows.Forms.ListView {
  public ListViewNF() {
    // Activate double buffering
    this.SetStyle(ControlStyles.OptimizedDoubleBuffer |

    // Enable the OnNotifyMessage event so we get a chance to filter out
    //  Windows messages before they get to the form's WndProc
    this.SetStyle(ControlStyles.EnableNotifyMessage, true);

  protected override void OnNotifyMessage(Message m) {
    // Filter out the WM_ERASEBKGND message
    if (m.Msg != 0x14) {
This article is part of the GWB Archives. Original Author: c pound

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