IDWriteFontSet1.GetFilteredFontIndices

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
  1. HRESULT GetFilteredFontIndices(DWRITE_FONT_PROPERTY* properties, uint propertyCount, bool selectAnyProperty, uint* indices, uint maxIndexCount, uint* actualIndexCount)
    interface IDWriteFontSet1
    extern (Windows)
    HRESULT
    GetFilteredFontIndices
  2. HRESULT GetFilteredFontIndices(DWRITE_FONT_AXIS_RANGE* fontAxisRanges, uint fontAxisRangeCount, bool selectAnyRange, uint* indices, uint maxIndexCount, uint* actualIndexCount)

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