public DocScanDocumentViewModel(IScannerService scannerService)
{
this.scannerService = scannerService;
FetchScanners();
BackHomeCommand = new DelegateCommand(NavigateBack);
ScanCommand = new DelegateCommand(Scan);
PreviewCommand = new DelegateCommand(Preview);
ManageCommand = new DelegateCommand(ManageImage);
SelectedScanner = Scanners.FirstOrDefault();
ResolutionsList = new ObservableCollection <Resolution>(Resolutions.List);
Resolution = Resolutions.R300;
}
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();
}
}
}