{"record":{"id":"5cf1eefabdc9f8d1","repo":"stride3d/stride","slug":"cannot-get-window-information","errorCode":null,"errorMessage":"Cannot get Window information: ","messagePattern":"Cannot get Window information: ","errorType":"exception","errorClass":"Exception","httpStatus":null,"severity":"critical","filePath":"sources/engine/Stride.Graphics/SDL/Window.cs","lineNumber":109,"sourceCode":"                sdlHandle = SDL.CreateWindowFrom(parentPtr);\n            }\n            else // no parent window\n            {\n                // Create the SDL window and then extract the native handle.\n                sdlHandle = SDL.CreateWindow(title, Sdl.WindowposUndefined, Sdl.WindowposUndefined, 640, 480, (uint)flags);\n            }\n            \n\n            if (sdlHandle == null)\n            {\n                throw new Exception(\"Cannot allocate SDL Window: \" + SDL.GetErrorS()); \n            }\n\n            SysWMInfo info = default;\n            SDL.GetVersion(&info.Version);\n            if (!SDL.GetWindowWMInfo(sdlHandle, &info))\n            {\n                throw new Exception(\"Cannot get Window information: \" + SDL.GetErrorS());\n            }\n\n            if (Core.Platform.Type == Core.PlatformType.Windows)\n            {\n                Handle = info.Info.Win.Hwnd;\n            }\n            else if (Core.Platform.Type == Core.PlatformType.Linux)\n            {\n                Handle = (IntPtr)info.Info.X11.Window;\n                Display = (IntPtr)info.Info.X11.Display;\n            }\n            else if (Core.Platform.Type == Core.PlatformType.Android)\n            {\n                Handle = (IntPtr)info.Info.Android.Window;\n                Surface = (IntPtr)info.Info.Android.Surface;\n            }\n            else if (Core.Platform.Type == Core.PlatformType.macOS)\n            {","sourceCodeStart":91,"sourceCodeEnd":127,"githubUrl":"https://github.com/stride3d/stride/blob/96fad776d210c221682aac1ccdf4c79dc046fc38/sources/engine/Stride.Graphics/SDL/Window.cs#L91-L127","documentation":"After creating an SDL window, the Window constructor calls SDL_GetWindowWMInfo to obtain native window information (HWND, X11 Window, etc.). If that call returns false, the constructor throws a generic Exception including SDL.GetErrorS().","triggerScenarios":"SDL.GetWindowWMInfo fails for the freshly created window handle — typically an SDL/video-driver incompatibility or version mismatch between the SDL library and the WM-info struct layout.","commonSituations":"Mismatched SDL versions (struct versioning issue with SysWMInfo), unusual video drivers, or corrupted SDL state after a partially failed initialization.","solutions":["Read the appended SDL.GetErrorS() text for the SDL-level cause","Ensure the SDL native library version matches the one the bindings were compiled against","Verify the video driver is supported (X11/Win32/Cocoa) and properly initialized","Retry after fixing SDL video subsystem initialization"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try { var win = new Window(...); } catch (Exception ex) when (ex.Message.StartsWith(\"Cannot get Window information\")) { log.Error(ex.Message); }","preventionTips":["Match native SDL library version to the managed bindings","Verify video subsystem initialized successfully before creating windows"],"tags":["sdl","window","platform"],"backgroundTag":"module-init-failed","analyzedSha":"96fad776d210c221682aac1ccdf4c79dc046fc38","analyzedAt":"2026-09-14T02:59:31.279Z","contentChangedAt":"2026-09-14T02:59:31.279Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}