Syncfusion.EJ2

BeforeOpen Property (DropDownButton)

Triggers before opening the DropDownButton popup.
Syntax
[DefaultValue("")]
[HtmlAttributeName("beforeOpen")]
[Newtonsoft.Json.JsonProperty("beforeOpen")]
[Newtonsoft.Json.JsonConverter(Syncfusion.EJ2.EventTypeConverter)]
public string BeforeOpen {get; set;}
[DefaultValue("")]
[HtmlAttributeName("beforeOpen")]
[Newtonsoft.Json.JsonProperty("beforeOpen")]
[Newtonsoft.Json.JsonConverter(Syncfusion.EJ2.EventTypeConverter)]
public:
property String^ BeforeOpen {
   String^ get();
   void set (    String^ value);
}
AssemblyVersion

Syncfusion.EJ2: 17.3500.0.26

See Also