StyleCollection.IndexOf(Style) Method   
Definition
Important
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Returns the index of the specified Style object within the collection.
public:
 int IndexOf(System::Web::UI::WebControls::Style ^ style);public int IndexOf(System.Web.UI.WebControls.Style style);member this.IndexOf : System.Web.UI.WebControls.Style -> intPublic Function IndexOf (style As Style) As IntegerParameters
Returns
The zero-based index of the first occurrence of style within the collection; otherwise, -1 if the style is not in the collection.
Remarks
The Contains method determines equality by using the Equals method on the Style objects.