/// <summary>
/// Calls the Start remote procedure (maybe many times) and gets hold
/// of the scanned image
/// </summary>
/// <param name="handle">The handle to the device</param>
/// <param name="userName">The user name</param>
/// <param name="password">The password</param>
/// <param name="cancelToken">The cancellation token</param>
/// <returns>The scanned image</returns>
internal BitmapSource Scan(int handle,
string userName,
string password,
CancellationToken cancelToken)
{
cancelToken.Register(() => Cancel(handle));
int pixelsPerLine;
int lines;
int depth;
bool littleEndian;
bool color;
byte[] data;
using (var ms = new MemoryStream())
{
int bytesPerLine;
using (var stream = DoScan(handle,
userName,
password,
true,
ms,
cancelToken,
out bytesPerLine,
out pixelsPerLine,
out lines,
out depth,
out littleEndian,
out color))
{
data = stream.ToArray();
}
}
var ret = ImageCreator.ToBitmap(data,
pixelsPerLine,
lines,
depth,
littleEndian,
color);
return(ret);
}