コード例 #1
0
		/// <summary>
		/// Handle the SearchForVirtualList event, which is called when the user types into a virtual list
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		protected virtual void HandleSearchForVirtualItem(object sender, SearchForVirtualItemEventArgs e) {
			// The event has e.IsPrefixSearch, but as far as I can tell, this is always false (maybe that's different under Vista)
			// So we ignore IsPrefixSearch and IsTextSearch and always to a case insensitve prefix match.

			// We can't do anything if we don't have a data source
			if (this.DataSource == null)
				return;

			// Where should we start searching? If the last row is focused, the SearchForVirtualItemEvent starts searching
			// from the next row, which is actually an invalidate index -- so we make sure we never go past the last object.
			int start = Math.Min(e.StartIndex, this.DataSource.GetObjectCount() - 1);

			// Give the world a chance to fiddle with or completely avoid the searching process
			BeforeSearchingEventArgs args = new BeforeSearchingEventArgs(e.Text, start);
			this.OnBeforeSearching(args);
			if (args.Canceled)
				return;

			// Do the search
			int i = this.FindMatchingRow(args.StringToFind, args.StartSearchFrom, e.Direction);

			// Tell the world that a search has occurred
			AfterSearchingEventArgs args2 = new AfterSearchingEventArgs(args.StringToFind, i);
			this.OnAfterSearching(args2);

			// If we found a match, tell the event
			if (i != -1)
				e.Index = i;
		}
コード例 #2
0
ファイル: Events.cs プロジェクト: GodLesZ/svn-dump
		/// <summary>
		/// 
		/// </summary>
		/// <param name="e"></param>
		protected virtual void OnBeforeSearching(BeforeSearchingEventArgs e) {
			if (this.BeforeSearching != null)
				this.BeforeSearching(this, e);
		}