imgui绘制图像（c++）

imgui

https://gitcode.com/gh_mirrors/im/imgui.git

禁用ini文件，默认生成imgui.ini，修改ini调整窗口大小位置

ImGuiIO& io = ImGui::GetIO();
io.IniFilename = NULL;
io.LogFilename = NULL;

sdl3

sdl3集成到mfc窗口中

if (SDL_Init(SDL_INIT_VIDEO) < 0)return;
SDL_PropertiesID props = SDL_CreateProperties();
SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_WIN32_HWND_POINTER,m_hWnd);
_window = SDL_CreateWindowWithProperties(props);
SDL_DestroyProperties(props);
if (_window == nullptr)return ;

imgui单窗口模式，