RI_MOUSE_BUTTON_3_UP

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.

@system extern (Windows) nothrow @nogc

static if(_WIN32_WINNT >= 0x501)

enum RI_MOUSE_BUTTON_3_UP = RI_MOUSE_MIDDLE_BUTTON_UP;

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