DX_TEXTUREFORMAT_DIRECT3D9_A2R10G10B10

Undocumented in source but is binding to C++. You might be able to learn more by searching the web for its name.
version(Windows)
extern (C) nothrow @nogc extern (C++, DxLib)
enum DX_TEXTUREFORMAT_DIRECT3D9_A2R10G10B10 = 15;

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