[]
        
Searches for the specified RenderingExtensions and returns the zero-based index of the first occurrence within the entire RenderingExtensionsCollection.
public int IndexOf(RenderingExtensionInfo value)
| Type | Name | Description | 
|---|---|---|
| RenderingExtensionInfo | value | The RenderingExtensionInfo to looking for.  | 
    
| Type | Description | 
|---|---|
| int |