private void _twain32_AcquireError(object sender, Twain32.AcquireErrorEventArgs e)
{
if (MessageBox.Show(e.Exception.Message, "Error!", MessageBoxButton.YesNo, MessageBoxImage.Error) == MessageBoxResult.Yes)
{
_twain32?.CloseDSM();
_twain32?.CloseDataSource();
_twain32.Dispose();
Environment.ExitCode = (int)ExitCodes.ExitCode.ERROR_NOT_ENOUGH_MEMORY;
this.Close();
}
}
private void _scannersListPreview_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
try
{
_twain32?.Dispose();
_twain32 = new Twain32
{
ShowUI = true,
IsTwain2Enable = true
};
_twain32.OpenDSM();
_twain32.SourceIndex = Scanners.IndexOf(SelectedScanner);
_twain32.OpenDataSource();
_twain32.EndXfer += _twain32_EndXfer;
_twain32.AcquireCompleted += _twain32_AcquireCompleted;
_twain32.AcquireError += _twain32_AcquireError;
_twain32.MemXferEvent += _twain32_MemXferEvent;
_twain32.Acquire();
if (_scannedImage != null)
{
SaveImage();
}
Environment.ExitCode = (int)ExitCodes.ExitCode.SUCCESS;
CustomMessageBox.Show($"Save photo: {Path.GetFileName(_filePath)}\n{_destinationPath}", "Succes", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
}
catch (Exception ex)
{
var messagebox = CustomMessageBox.Show(ex.Message, "Scanner Error!", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Error);
if (messagebox == System.Windows.Forms.DialogResult.Yes)
{
Environment.ExitCode = (int)ExitCodes.ExitCode.ERROR_DEVICE_UNREACHABLE;
}
}
finally
{
_twain32?.CloseDSM();
_twain32?.CloseDataSource();
_twain32.Dispose();
GC.Collect();
GC.WaitForPendingFinalizers();
this.Close();
}
}
public void Dispose()
{
try
{
if (twain != null)
{
twain.CloseDataSource();
twain.CloseDSM();
twain.Dispose();
}
}
catch (Exception ex)
{
logger.Error(ex);
}
}
public IEnumerable <HWDeviceDesciption> GetDevices()
{
var twain = new Twain32();
var isDsmOpened = false;
try
{
//twain.OpenDataSource();
isDsmOpened = twain.OpenDSM();
if (twain.IsTwain2Supported)
{
twain.IsTwain2Enable = true;
}
}
catch (Exception ex)
{
logger.Error(ex);
}
if (isDsmOpened)
{
for (int i = 0; i < twain.SourcesCount; i++)
{
yield return(new HWDeviceDesciption
{
Device = DeviceType.Scanner,
Name = twain.GetSourceProductName(i),
DeviceId = i.ToString()
});
}
}
if (twain != null)
{
twain.CloseDataSource();
twain.CloseDSM();
twain.Dispose();
}
yield break;
}
private void LoadParametes()
{
try
{
_twain32 = new Twain32
{
ShowUI = true,
IsTwain2Enable = true
};
_twain32.OpenDSM();
#region GetScanners
for (int i = 0; i < _twain32.SourcesCount; i++)
{
_scanners.Add(_twain32.GetSourceProductName(i));
}
#endregion GetScanners
if (Scanners.Count > 0)
{
SelectedScanner = Scanners.FirstOrDefault();
}
}
catch (Exception ex)
{
var messagebox = CustomMessageBox.Show(ex.Message, "Error!", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Error);
if (messagebox == System.Windows.Forms.DialogResult.Yes)
{
_twain32?.CloseDSM();
_twain32?.CloseDataSource();
_twain32.Dispose();
Environment.ExitCode = (int)ExitCodes.ExitCode.ERROR_DEVICE_UNREACHABLE;
this.Close();
}
}
}
public void Dispose()
{
_twain32?.Dispose();
}
public void Close()
{
logger.Debug("Close Scanworks");
_twain32.Dispose();
}
private void MTwain_AcquireError(object sender, Twain32.AcquireErrorEventArgs e)
{
mTwain.Dispose();
}