Obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). Use ImGui::GetDrawData() to retrieve the ImDrawData* to display..(#1599)

Examples: Updated examples.

examples/directx11_example/imgui_impl_dx11.h

@@ -14,6 +14,7 @@ struct ID3D11DeviceContext;
 IMGUI_API bool        ImGui_ImplDX11_Init(void* hwnd, ID3D11Device* device, ID3D11DeviceContext* device_context);
 IMGUI_API void        ImGui_ImplDX11_Shutdown();
 IMGUI_API void        ImGui_ImplDX11_NewFrame();
+IMGUI_API void        ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data);
 
 // Use if you want to reset your rendering device without losing ImGui state.
 IMGUI_API void        ImGui_ImplDX11_InvalidateDeviceObjects();