易语言旋转窗口源码,旋转窗口,旋转图像,A2W,GdiplusStartup,GdiplusShutdown,MultiByteToWideChar,GdipLoadImageFromFile,GdipSaveImageToFile,CLSIDFromString,GdipDisposeImage,GdipGetImagePixelFormat,GdipGetImageGraphicsContext,GdipRotateMatrix,Gdip