public override void Draw(ObjectListView olv, Graphics g, Rectangle r) {
// This overlay only works when:
// - the list is in Details view
// - there is at least one row
// - there is a selected column
if (olv.View != System.Windows.Forms.View.Details)
return;
if (olv.GetItemCount() == 0)
return;
OLVColumn column = this.ColumnToTint ?? olv.SelectedColumn;
if (column == null)
return;
Point sides = NativeMethods.GetScrolledColumnSides(olv, column.Index);
if (sides.X == -1)
return;
Rectangle columnBounds = new Rectangle(sides.X, r.Top, sides.Y - sides.X, r.Bottom);
// Find the bottom of the last item. The tinting should extend only to there.
OLVListItem lastItem = olv.GetLastItemInDisplayOrder();
if (lastItem != null) {
Rectangle lastItemBounds = lastItem.Bounds;
if (!lastItemBounds.IsEmpty && lastItemBounds.Bottom < columnBounds.Bottom)
columnBounds.Height = lastItemBounds.Bottom - columnBounds.Top;
}
g.FillRectangle(this.tintBrush, columnBounds);
}
public AutoCompleteCellEditor(ObjectListView lv, OLVColumn column) {
this.DropDownStyle = ComboBoxStyle.DropDown;
Dictionary<String, bool> alreadySeen = new Dictionary<string, bool>();
for (int i = 0; i < Math.Min(lv.GetItemCount(), 1000); i++) {
String str = column.GetStringValue(lv.GetModelObject(i));
if (!alreadySeen.ContainsKey(str)) {
this.Items.Add(str);
alreadySeen[str] = true;
}
}
this.Sorted = true;
this.AutoCompleteSource = AutoCompleteSource.ListItems;
this.AutoCompleteMode = AutoCompleteMode.Append;
}
