private void ScanTwainFixedSize()
{
AreaSettings AreaSettings = new AreaSettings(Units.Centimeters, 0f, 0f, 29.7f, 21.01f);
ScanSettings _settings = new ScanSettings();
ResolutionSettings rs = new ResolutionSettings();
rs.ColourSetting = ColourSetting.GreyScale;
rs.Dpi = 100;
_settings.Resolution = rs;
_settings.ShowTwainUI = false;
_settings.ShowProgressIndicatorUI = true;
_settings.Area = AreaSettings;
_twain.StartScanning(_settings);
}
private void ScanTwainA4()
{
ScanSettings _settings = new ScanSettings();
ResolutionSettings rs = new ResolutionSettings();
rs.ColourSetting = ColourSetting.GreyScale;
rs.Dpi = 100;
_settings.Resolution = rs;
_settings.ShowTwainUI = false;
_settings.ShowProgressIndicatorUI = true;
PageSettings ps = new PageSettings();
ps.Orientation = TwainDotNet.TwainNative.Orientation.Portrait;
ps.Size = PageType.MaxSize;
_settings.Page = ps;
_twain.StartScanning(_settings);
}