public DataSource(TwainDevice twain, TwIdentity identity)
{
fTwain = twain;
fIdent = identity;
fState = StateType.Closed;
fSettings = null;
fCapabilities = null;
}
public DataSourceCapabilities GetCapabilities()
{
DataSourceCapabilities result = null;
if(this.Open())
{
result = new DataSourceCapabilities();
result.ColorModes = new List<ColorModeEnum>() { ColorModeEnum.BW, ColorModeEnum.Gray, ColorModeEnum.RGB };
result.PageTypes = new List<PageTypeEnum>() { PageTypeEnum.Letter, PageTypeEnum.Legal };
result.Resolutions = new List<int>() { 100, 200, 300 };
this.Close();
}
return result;
}
public DataSourceCapabilities GetCapabilities()
{
if(fCapabilities == null)
{
if(this.Open())
{
fCapabilities = new DataSourceCapabilities();
fCapabilities.ColorModes = GetAvailableValuesForColorMode();
fCapabilities.PageTypes = GetAvailableValuesForPageType();
fCapabilities.Resolutions = GetAvailableValuesForResolution();
this.Close();
}
}
return fCapabilities;
}
