private async void KeyWordCompleteImpl()
{
//if (!string.IsNullOrEmpty(KeyWord)&& (key==Key.Enter||!key.HasValue))
//{
// Console.WriteLine("开始搜索......"+KeyWord);
//}
SearchResult.Clear();
if (!string.IsNullOrWhiteSpace(KeyWord))
{
this._searchResultCancel?.Cancel();
var newCancel = new CancellationTokenSource();
this._searchResultCancel = newCancel;
try
{
if (SearchResultPanelVisiable == System.Windows.Visibility.Collapsed)
{
var result = await SearhResultAsync(this._searchResultCancel.Token);
SearchResult.AddRange(result);
}
//从其他页面导航回来时显示popup
else
{
await SearchAllResultAsync();
}
RaisePropertyChanged(nameof(KeyWord));
}
catch (OperationCanceledException)
{
}
catch (AggregateException e)
{
Console.WriteLine(e.InnerException);
}
if (this._searchResultCancel == newCancel)
{
this._searchResultCancel = null;
}
}
}