Function ImGuiTableTempData

tutorials/common/imgui/imgui_internal.h:2647–2647

    int                         HostBackupItemWidthStackSize;//Backup of OuterWindow->DC.ItemWidthStack.Size at the end of BeginTable()

    ImGuiTableTempData()        { memset(this, 0, sizeof(*this)); LastTimeActive = -1.0f; }
};

// sizeof() ~ 12