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Added reading of supported caps.

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This commit is contained in:
Eugene Wang
2021-04-24 22:24:24 -04:00
parent 0416b281ba
commit e0f1f96947
5 changed files with 228 additions and 4 deletions
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21
samples/Net5Console/Program.cs
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@@ -1,5 +1,6 @@
using NTwain;
using System;
using System.Linq;
using System.Reflection;
using System.Threading;
using TWAINWorkingGroup;
@@ -12,6 +13,7 @@ namespace Net5Console
static void Main(string[] args)
{
Console.WriteLine("Starting twain test in console...");
Console.WriteLine();
using (var session = new TwainSession(Assembly.GetExecutingAssembly(), null, IntPtr.Zero))
using (var hold = new ManualResetEventSlim())
@@ -19,10 +21,12 @@ namespace Net5Console
session.DeviceEvent += (sender, e) =>
{
Console.WriteLine($"Got device event " + (TWDE)e.Event);
Console.WriteLine();
};
session.ScanEvent += (sender, closing) =>
{
Console.WriteLine($"Got scan event " + closing);
Console.WriteLine();
// don't care, just end it
TW_PENDINGXFERS pending = default;
@@ -32,10 +36,12 @@ namespace Net5Console
if (session.TWAIN.DatUserinterface(DG.CONTROL, MSG.DISABLEDS, ref twuserinterface) == STS.SUCCESS)
{
Console.WriteLine("Disabled device.");
Console.WriteLine();
}
else
{
Console.Error.WriteLine("Failed to disabled device.");
Console.WriteLine();
}
hold.Set();
};
@@ -43,9 +49,11 @@ namespace Net5Console
if (session.Open() == TWAINWorkingGroup.STS.SUCCESS)
{
Console.WriteLine("Opened DSM");
Console.WriteLine();
Console.WriteLine("Default device:");
Console.WriteLine($"\t{session.DefaultDevice}");
Console.WriteLine();
Console.WriteLine("All devices:");
TW_IDENTITY dsToUse = default;
@@ -57,28 +65,41 @@ namespace Net5Console
dsToUse = dev;
}
}
Console.WriteLine();
session.CurrentDevice = dsToUse;
if (session.CurrentDevice.HasValue)
{
Console.WriteLine("Current device after opening attempt:");
Console.WriteLine($"\t{session.CurrentDevice}");
Console.WriteLine();
var caps = session.SupportedCaps();
Console.WriteLine("Device supports these caps:");
foreach (var cap in caps.OrderBy(c => c))
{
Console.WriteLine($"\t{cap}");
}
Console.WriteLine();
var sts = session.StartCapture(false);
if (sts == STS.SUCCESS)
{
Console.Error.WriteLine("Waiting for capture to complete.");
Console.WriteLine();
while (!hold.IsSet) Thread.Sleep(100);
}
else
{
Console.Error.WriteLine("Failed to start capture: " + sts);
Console.WriteLine();
}
}
else
{
Console.WriteLine("No devices opened.");
Console.WriteLine();
}
}
else