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copied!<p>I realize that this is an old post, but this is a complete C# snippet for downloading from a memory stream. It may be useful for someone else. The camera needs to be set to EDSDK.EdsSaveTo.Host or EDSDK.EdsSaveTo.Both</p> <pre><code> uint error = EDSDK.EDS_ERR_OK; IntPtr stream = IntPtr.Zero; EDSDK.EdsDirectoryItemInfo directoryItemInfo; error = EDSDK.EdsGetDirectoryItemInfo(this.DirectoryItem, out directoryItemInfo); //create a file stream to accept the image if (error == EDSDK.EDS_ERR_OK) { error = EDSDK.EdsCreateMemoryStream(directoryItemInfo.Size, out stream); } //down load image if (error == EDSDK.EDS_ERR_OK) { error = EDSDK.EdsDownload(this.DirectoryItem, directoryItemInfo.Size, stream); } //complete download if (error == EDSDK.EDS_ERR_OK) { error = EDSDK.EdsDownloadComplete(this.DirectoryItem); } //convert to memory stream IntPtr pointer; //pointer to image stream EDSDK.EdsGetPointer(stream, out pointer); uint length = 0; EDSDK.EdsGetLength(stream, out length); byte[] bytes = new byte[length]; //Move from unmanaged to managed code. Marshal.Copy(pointer, bytes, 0, bytes.Length); System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(bytes); Image image = System.Drawing.Image.FromStream(memoryStream); if (pointer != IntPtr.Zero) { EDSDK.EdsRelease(pointer); pointer = IntPtr.Zero; } if (this.DirectoryItem != IntPtr.Zero) { EDSDK.EdsRelease(this.DirectoryItem); this.DirectoryItem = IntPtr.Zero; } if (stream != IntPtr.Zero) { EDSDK.EdsRelease(stream); stream = IntPtr.Zero; } </code></pre>

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