HRESULT AddMapping(DWRITE_UNICODE_RANGE* ranges, UINT32 rangesCount, [in] WCHAR** targetFamilyNames, UINT32 targetFamilyNamesCount, [in, optional] IDWriteFontCollection fontCollection, [in, optional] WCHAR* localeName, [in, optional] WCHAR* baseFamilyName, FLOAT scale)

'Declaration
 
Public Overloads Sub AddMapping( _
   ByVal unicodeRanges() As UnicodeRange, _
   ByVal targetFamilyNames() As System.IntPtr, _
   ByVal fontCollection As FontCollection, _
   ByVal localeName As System.String, _
   ByVal baseFamilyName As System.String, _
   ByVal scale As System.Single _
) 

public void AddMapping( 
   UnicodeRange[] unicodeRanges,
   System.IntPtr[] targetFamilyNames,
   FontCollection fontCollection,
   System.string localeName,
   System.string baseFamilyName,
   System.float scale
)