Method DestroyPlatformWindows

imgui_tiny_app/imgui/imgui.cpp:17630–17641

}

void ImGui::DestroyPlatformWindows()
{
    // We call the destroy window on every viewport (including the main viewport, index 0) to give a chance to the backend
    // to clear any data they may have stored in e.g. PlatformUserData, RendererUserData.
    // It is convenient for the platform backend code to store something in the main viewport, in order for e.g. the mouse handling
    // code to operator a consistent manner.
    // It is expected that the backend can handle calls to Renderer_DestroyWindow/Platform_DestroyWindow without
    // crashing if it doesn't have data stored.
    ImGuiContext& g = *GImGui;
    for (ImGuiViewportP* viewport : g.Viewports)
        DestroyPlatformWindow(viewport);
}


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