<summary>Returns the encoding associated with the specified code page identifier.</summary>
<paramname="codepage">The code page identifier of the preferred encoding which the encoding provider may support.</param>
<returns>The encoding associated with the specified code page identifier, or <seelangword="null"/> if the provider does not support the requested codepage encoding.</returns>
<summary>Returns the encoding associated with the specified code page name.</summary>
<paramname="name">The code page name of the preferred encoding which the encoding provider may support.</param>
<returns>The encoding associated with the specified code page, or <seelangword="null"/> if the provider does not support the requested encoding.</returns>