System\Security\Cryptography\CngKey.Export.cs (2)
23ErrorCode errorCode = Interop.NCrypt.NCryptExportKey(_keyHandle, IntPtr.Zero, format.Format, IntPtr.Zero, null, 0, out numBytesNeeded, 0);
28errorCode = Interop.NCrypt.NCryptExportKey(_keyHandle, IntPtr.Zero, format.Format, IntPtr.Zero, buffer, buffer.Length, out numBytesNeeded, 0);