Class DropDownExtender

[RequiredScript(typeof(AnimationExtender))]
[RequiredScript(typeof(CommonToolkitScripts))]
[RequiredScript(typeof(PopupExtender))]
[RequiredScript(typeof(HoverExtender))]
[ClientScriptResource("AjaxControlToolkit.DropDownBehavior", "AjaxControlToolkit.DropDown.DropDownBehavior.js")]
[ClientCssResource("AjaxControlToolkit.DropDown.DropDown.css")]
public class DropDownExtender : DynamicPopulateExtenderControlBase, IControlResolver

public DropDownExtender()

[ExtenderControlProperty]
[ClientPropertyName("dropArrowBackgroundColor")]
public Color DropArrowBackColor { get; set; }

[ExtenderControlProperty]
[ClientPropertyName("dropArrowImageUrl")]
public string DropArrowImageUrl { get; set; }

[ClientPropertyName("dropArrowWidth")]
[ExtenderControlProperty]
public Unit DropArrowWidth { get; set; }

[ClientPropertyName("dropDownControl")]
[ExtenderControlProperty]
[ElementReference]
public string DropDownControlID { get; set; }

[ClientPropertyName("highlightBackgroundColor")]
[ExtenderControlProperty]
public Color HighlightBackColor { get; set; }

[ClientPropertyName("highlightBorderColor")]
[ExtenderControlProperty]
public Color HighlightBorderColor { get; set; }

[ClientPropertyName("populated")]
[ExtenderControlEvent]
public string OnClientPopulated { get; set; }

[ExtenderControlEvent]
[ClientPropertyName("populating")]
public string OnClientPopulating { get; set; }

[ExtenderControlEvent]
[ClientPropertyName("popup")]
public string OnClientPopup { get; set; }

[ExtenderControlProperty]
[ClientPropertyName("onHide")]
public Animation OnHide { get; set; }

[ExtenderControlProperty]
[ClientPropertyName("onShow")]
public Animation OnShow { get; set; }

protected override void OnPreRender(EventArgs e)