private void savePictureToHost(IntPtr ptr, string path)
{
Canon_EOS_Remote.classes.Image tmpImage;
tmpImage = new classes.Image(ptr);
Byte[] byteArray = new byte[(int)tmpImage.ImageItemInfo.Size];
uint error = 0;
IntPtr outputStream;
error = EDSDK.EdsCreateMemoryStream((uint)tmpImage.ImageItemInfo.Size, out outputStream);
if (error != 0)
{
Console.WriteLine("Error at creating file stream : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
error = EDSDK.EdsDownload(ptr, (uint)tmpImage.ImageItemInfo.Size, outputStream);
if (error != 0)
{
Console.WriteLine("Error at download : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
IntPtr imageRef = IntPtr.Zero;
error = EDSDK.EdsCreateImageRef(outputStream, out imageRef);
if (error != 0)
{
Console.WriteLine("Error at createimageref : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
EDSDK.EdsImageInfo imageinfo;
error = EDSDK.EdsGetImageInfo(imageRef, EDSDK.EdsImageSource.FullView, out imageinfo);
if (error != 0)
{
Console.WriteLine("Error at getiamgeinfo : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
error = EDSDK.EdsRelease(imageRef);
if (error != 0)
{
Console.WriteLine("Error at release imageref : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
GCHandle gcHandle = GCHandle.Alloc(byteArray, GCHandleType.Pinned);
IntPtr adress = gcHandle.AddrOfPinnedObject();
IntPtr streamRef = IntPtr.Zero;
error = EDSDK.EdsGetPointer(outputStream, out streamRef);
if (error != 0)
{
Console.WriteLine("Error at getpointer : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
Marshal.Copy(streamRef, byteArray, 0, (int)tmpImage.ImageItemInfo.Size);
try
{
FileStream fstream = new FileStream(path + tmpImage.ImageItemInfo.szFileName, FileMode.Create);
fstream.Write(byteArray, 0, byteArray.Length);
fstream.Close();
}
catch (UnauthorizedAccessException e)
{
Console.WriteLine("Zugriff verweigert.");
System.Windows.MessageBox.Show("Zugriff verweigert : \n" + e.Message);
}
catch (Exception e)
{
Console.WriteLine("Exception at filestream : " + e.Message);
}
finally
{
error = EDSDK.EdsRelease(outputStream);
if (error != 0)
{
Console.WriteLine("Error at release outputstream : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
error = EDSDK.EdsRelease(streamRef);
if (error != 0)
{
Console.WriteLine("Error at at release streamref : " + ErrorCodes.getErrorDataWithCodeNumber(error));
}
gcHandle.Free();
}
}