void Model_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == FilterModel.FilterExceptionPropertyName)
{
if (!this.txtFilterText.BindingGroup.ValidateWithoutUpdate())
{
this.txtFilterText.Focus();
}
}
else if (e.PropertyName == FilterModel.ModePropertyName)
{
this.txtFilterText.Text = HistoryItems.Latest(this.Model.Mode).Term;
this.txtFilterText.SelectAll();
}
}
void SetSelectionFromHistory(ListBox lb, Popup parent)
{
parent.IsOpen = false;
// Get the selected item value
string insertItem = lb.SelectedItem.ToString();
var item = HistoryItems.SetLatest(insertItem);
// Save the Caret position
int i = txtFilterText.CaretIndex;
// Move the caret to the end of the added text
this.txtFilterText.Text = item.Term;
txtFilterText.CaretIndex = i + item.Term.Length;
// Move focus back to the text box.
// This will auto-hide the PopUp due to StaysOpen="false"
this.Focus();
}
private void ExecuteHandler(string obj)
{
HistoryItems.Add(this.Model.FilterText, this.Model.Mode);
}