private void OnAddCondition(object item)
{
ExpressionPanel panel = GetNewExpressionPanel(null);
panel.Arg1TextBox.IsEnabled = false;
panel.Arg1TextBox.Text = "Result";
this.ConditionPanel.Children.Add(panel);
if (this.ConditionPanel.Children.Count == 1)
{
panel.OperatorComboBox.IsEnabled = false;
panel.OperatorComboBox.SelectedItem = "";
}
if (this.IsReadOnly)
{
panel.SetReadOnly(this.IsReadOnly);
}
}
