System.Windows.Controls.AutoCompleteBox.OnMaxDropDownHeightPropertyChanged C# (CSharp) Méthode

        private static void OnMaxDropDownHeightPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            AutoCompleteBox source = d as AutoCompleteBox;
            if(source != null && source._ignorePropertyChange)
            {
                source._ignorePropertyChange = false;
                return;
            }

            double newValue = (double)e.NewValue;

            // Revert to the old value if invalid (negative)
            if(newValue < 0)
            {
                if(source != null)
                {
                    source._ignorePropertyChange = true;
                    source.SetValue(e.Property, e.OldValue);
                }

                // ReSharper disable once NotResolvedInText
                throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, Dev2.Runtime.Configuration.Properties.Resources.AutoComplete_OnMaxDropDownHeightPropertyChanged_InvalidValue, e.NewValue), "value");
            }

            if(source != null)
            {
                source.OnMaxDropDownHeightChanged(newValue);
            }
        }
        #endregion public double MaxDropDownHeight