<ThemeableAttribute(False)>
<BindableAttribute(Bindable=True, Direction=BindingDirection.OneWay)>
<WebSysDescriptionAttribute("The command argument associated with the button.")>
<DefaultValueAttribute()>
<WebCategoryAttribute("Behavior")>
Public Property CommandArgument As String

Dim instance As AutoExpandButton
Dim value As String
 
instance.CommandArgument = value
 
value = instance.CommandArgument

[ThemeableAttribute(false)]
[BindableAttribute(Bindable=true, Direction=BindingDirection.OneWay)]
[WebSysDescriptionAttribute("The command argument associated with the button.")]
[DefaultValueAttribute()]
[WebCategoryAttribute("Behavior")]
public string CommandArgument {get; set;}