/// <summary> /// Dispose of resources (IDisposable implementation) /// </summary> /// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param> protected override void Dispose(bool disposing) { if (disposing && !disposed) { lock (renderSyncObject) { render = null; lock (sharedSyncObject) { if (sharedD2DFactory != null && d2DFactory == sharedD2DFactory) { sharedRefCount--; } if (d2DFactory != null && d2DFactory != sharedD2DFactory) { d2DFactory.Dispose(); } d2DFactory = null; if (dwriteFactory != null && dwriteFactory != sharedDwriteFactory) { dwriteFactory.Dispose(); } dwriteFactory = null; if (wicFactory != null && wicFactory != sharedWicFactory) { wicFactory.Dispose(); } wicFactory = null; if (sharedRefCount == 0) { if (sharedD2DFactory != null) { sharedD2DFactory.Dispose(); } sharedD2DFactory = null; if (sharedDwriteFactory != null) { sharedDwriteFactory.Dispose(); } sharedDwriteFactory = null; if (sharedWicFactory != null) { sharedWicFactory.Dispose(); } sharedWicFactory = null; } } foreach (DrawingShape shape in drawingShapes) { shape.Dispose(); } if (bitmap != null) { bitmap.Dispose(); } bitmap = null; if (dcRenderTarget != null) { dcRenderTarget.Dispose(); } dcRenderTarget = null; if (bitmapRenderTarget != null) { bitmapRenderTarget.Dispose(); } bitmapRenderTarget = null; if (hwndRenderTarget != null) { hwndRenderTarget.Dispose(); } hwndRenderTarget = null; disposed = true; } } base.Dispose(disposing); }