DX Version 21:12:35: --- init wx --- 21:12:36: windowHandle: 1901436 width: 640 height: 400 21:12:36: D3D9RenderSystem::createRenderWindow "OGRE Mesh Viewer", 640x400 windowed miscParams: externalWindowHandle=1901436 21:12:36: D3D9 : Created D3D9 Rendering Window 'OGRE Mesh Viewer' : 632x371, 32bpp --- FAILED HERE --- but no detail, Debugger pointing: Ogred3d9driver.h:70 LPDIRECT3DDEVICE9 getD3DDevice() { return mpD3DDevice; } //------------------------------------------------------------ GL Succeed 21:21:04: --- init wx --- 21:21:04: windowHandle: 2032562 width: 640 height: 400 21:21:04: GLRenderSystem::createRenderWindow "OGRE Mesh Viewer", 640x400 windowed miscParams: externalWindowHandle=2032562 21:21:04: GL_VERSION = 2.0.5396 WinXP Release 21:21:04: GL_VENDOR = ATI Technologies Inc. 21:21:04: GL_RENDERER = RADEON 9600 XT x86/SSE2