public static void Cleanup() { Utility.SafeDispose(ref _singleInstanceMutex); if (_channel != null) { ChannelServices.UnregisterChannel(_channel); _channel = null; } }
private void _DestroyResources() { if (_dt != null) { _dt.Stop(); _dt = null; } Utility.SafeDispose(ref _hwndWrapper); Utility.SafeDispose(ref _hBitmap); if (_resourceManager != null) { _resourceManager.ReleaseAllResources(); } }
private static SafeHBITMAP _CreateHBITMAPFromImageStream(Stream imgStream, out Size bitmapSize) { IWICImagingFactory pImagingFactory = null; IWICBitmapDecoder pDecoder = null; IWICStream pStream = null; IWICBitmapFrameDecode pDecodedFrame = null; IWICFormatConverter pBitmapSourceFormatConverter = null; IWICBitmapFlipRotator pBitmapFlipRotator = null; SafeHBITMAP hbmp = null; try { using (var istm = new ManagedIStream(imgStream)) { pImagingFactory = CLSID.CoCreateInstance <IWICImagingFactory>(CLSID.WICImagingFactory); pStream = pImagingFactory.CreateStream(); pStream.InitializeFromIStream(istm); // Create an object that will decode the encoded image Guid vendor = Guid.Empty; pDecoder = pImagingFactory.CreateDecoderFromStream(pStream, ref vendor, WICDecodeMetadata.CacheOnDemand); pDecodedFrame = pDecoder.GetFrame(0); pBitmapSourceFormatConverter = pImagingFactory.CreateFormatConverter(); // Convert the image from whatever format it is in to 32bpp premultiplied alpha BGRA Guid pixelFormat = WICPixelFormat.WICPixelFormat32bppPBGRA; pBitmapSourceFormatConverter.Initialize(pDecodedFrame, ref pixelFormat, WICBitmapDitherType.None, IntPtr.Zero, 0, WICBitmapPaletteType.Custom); pBitmapFlipRotator = pImagingFactory.CreateBitmapFlipRotator(); pBitmapFlipRotator.Initialize(pBitmapSourceFormatConverter, WICBitmapTransform.FlipVertical); int width, height; pBitmapFlipRotator.GetSize(out width, out height); bitmapSize = new Size { Width = width, Height = height }; var bmi = new BITMAPINFO { bmiHeader = new BITMAPINFOHEADER { biSize = Marshal.SizeOf(typeof(BITMAPINFOHEADER)), biWidth = width, biHeight = height, biPlanes = 1, biBitCount = 32, biCompression = BI.RGB, biSizeImage = (width * height * 4), }, }; // Create a 32bpp DIB. This DIB must have an alpha channel for UpdateLayeredWindow to succeed. IntPtr pBitmapBits; hbmp = NativeMethods.CreateDIBSection(null, ref bmi, out pBitmapBits, IntPtr.Zero, 0); // Copy the decoded image to the new buffer which backs the HBITMAP var rect = new WICRect { X = 0, Y = 0, Width = width, Height = height }; pBitmapFlipRotator.CopyPixels(ref rect, width * 4, bmi.bmiHeader.biSizeImage, pBitmapBits); var ret = hbmp; hbmp = null; return(ret); } } finally { Utility.SafeRelease(ref pImagingFactory); Utility.SafeRelease(ref pDecoder); Utility.SafeRelease(ref pStream); Utility.SafeRelease(ref pDecodedFrame); Utility.SafeRelease(ref pBitmapFlipRotator); Utility.SafeRelease(ref pBitmapSourceFormatConverter); Utility.SafeDispose(ref hbmp); } }
private void _Dispose(bool disposing) { Utility.SafeDispose(ref _cookie); }
public void Dispose() { Utility.SafeDispose(ref _cookie); GC.SuppressFinalize(this); }