/// <summary>
/// Performs custom actions after key is pressed while focus is on this control</summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event args</param>
void treeControl_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
{
if (e.KeyData == Keys.Escape && m_searching)
{
SearchInputUI.ClearSearch();
}
}
/// <summary>
/// Callback to determine if an item in the tree is filtered in (return true) or out</summary>
/// <param name="item">Item tested for filtering</param>
/// <returns>True if filtered in, false if filtered out</returns>
public bool DefaultFilter(object item)
{
IItemView itemView = TreeView.As <IItemView>();
if (itemView != null)
{
ItemInfo info = new WinFormsItemInfo();
itemView.GetInfo(item, info);
return(SearchInputUI.IsNullOrEmpty() || SearchInputUI.Matches(info.Label));
}
return(true); // Don't filter anything if the context doesn't implement IItemView
}
/// <summary>
/// Callback to determine if an item in the tree is filtered in (return true) or out</summary>
/// <param name="item">Item tested for filtering</param>
/// <returns>True if filtered in, false if filtered out</returns>
public bool DefaultFilter(object item)
{
bool result = true;
IItemView itemView = TreeView.As <IItemView>();
if (!SearchInputUI.IsNullOrEmpty())
{
ItemInfo info = new WinFormsItemInfo();
itemView.GetInfo(item, info);
result = info.Label != null && SearchInputUI.Matches(info.Label);
}
return(result);
}
