public static extern ReturnCode DsmWinNew(
[In, Out] TWIdentity origin,
[In, Out] TWIdentity destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
[In, Out] TWCustomDSData data);
public static ReturnCode DsmEntry(
TWIdentity origin,
TWIdentity destination,
Message msg,
TWCustomDSData data)
{
if (PlatformInfo.Current.IsWindows)
{
if (PlatformInfo.Current.UseNewWinDSM)
{
return(NativeMethods.DsmWinNew(origin, destination, DataGroups.Control, DataArgumentType.CustomDSData, msg, data));
}
else
{
return(NativeMethods.DsmWinOld(origin, destination, DataGroups.Control, DataArgumentType.CustomDSData, msg, data));
}
}
else if (PlatformInfo.Current.IsLinux)
{
return(NativeMethods.DsmLinux(origin, destination, DataGroups.Control, DataArgumentType.CustomDSData, msg, data));
}
throw new PlatformNotSupportedException();
}
/// <summary>
/// This operation is used by the application to set the current settings for a data source to a
/// previous state as defined by the data contained in the customData data structure. The actual
/// format of the data is data source dependent and not defined by TWAIN.
/// </summary>
/// <param name="customData">The custom data.</param>
/// <returns></returns>
public ReturnCode Set(TWCustomDSData customData)
{
Session.VerifyState(4, 4, DataGroups.Control, DataArgumentType.CustomDSData, Message.Set);
return(Dsm.DsmEntry(Session.AppId, Session.CurrentSource.Identity, Message.Set, customData));
}
