/// <summary>
/// Set a capability of a datasource
/// </summary>
/// <param name="applicationIdentity">Identity of the application</param>
/// <param name="dataSourceIdentity">Identity of the datasource</param>
/// <param name="capability"></param>
/// <returns>Reply of the twaindriver</returns>
internal static ReturnCodes SetCapability(
Identity applicationIdentity,
Identity dataSourceIdentity,
Capability capability)
{
return DataSourceCapability (
applicationIdentity,
dataSourceIdentity,
DataGroups.Control,
DataAttributeTypes.Capability,
Messages.Set,
capability);
}
/// <summary>
/// Opens the data source represented by an object of this class
/// </summary>
/// <returns>Response of the twain driver</returns>
internal ReturnCodes Open()
{
Close ();
ReturnCodes openResult = Twain32.OpenDataSource (dataSourceManager.Identity, this.Identity);
Capability capability = new Capability (dataSourceManager, this, Capabilities.XferCount, -1);
ReturnCodes xferCountResult = capability.Set ();
ReturnCodes result = ReturnCodes.Failure;
if (
openResult == ReturnCodes.Success &&
xferCountResult == ReturnCodes.Success &&
this.Identity.Id != IntPtr.Zero
)
{
result = ReturnCodes.Success;
isOpen = true;
}
return result;
}