void Filter(FastObjectListView olv, string txt, int matchKind)
{
olv.OwnerDraw = true;
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
olv.ModelFilter = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
olv.ModelFilter = filter;
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
IList objects = olv.Objects as IList;
if ((objects == null) || (objects.Count == olv.Items.Count))
{
this.toolStripStatusLabel1.Text = string.Empty;
}
else
{
this.toolStripStatusLabel1.Text =
String.Format("Filtered {0} items down to {1} items",
objects.Count,
olv.Items.Count);
}
}