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Added old console sample to test diy message pump.

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This commit is contained in:
Eugene Wang
2023-04-13 22:52:04 -04:00
parent 502013ee57
commit 54d73eb42c
4 changed files with 136 additions and 4 deletions
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15
NTwain.sln
View File

@@ -28,6 +28,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WinForm64", "samples\WinFor
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "csizes", "csizes\csizes.vcxproj", "{1AABD2DC-3F81-4301-938B-3EC2EDEF38D4}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WinConsole32", "samples\WinConsole32\WinConsole32.csproj", "{4E2417E7-FDC3-46D7-B976-84A97B500B74}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -86,6 +88,18 @@ Global
{1AABD2DC-3F81-4301-938B-3EC2EDEF38D4}.Release|x64.Build.0 = Release|x64
{1AABD2DC-3F81-4301-938B-3EC2EDEF38D4}.Release|x86.ActiveCfg = Release|Win32
{1AABD2DC-3F81-4301-938B-3EC2EDEF38D4}.Release|x86.Build.0 = Release|Win32
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|Any CPU.Build.0 = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|x64.ActiveCfg = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|x64.Build.0 = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|x86.ActiveCfg = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Debug|x86.Build.0 = Debug|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|Any CPU.ActiveCfg = Release|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|Any CPU.Build.0 = Release|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|x64.ActiveCfg = Release|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|x64.Build.0 = Release|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|x86.ActiveCfg = Release|Any CPU
{4E2417E7-FDC3-46D7-B976-84A97B500B74}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@@ -93,6 +107,7 @@ Global
GlobalSection(NestedProjects) = preSolution
{7792A94E-D0B4-440D-8BD5-CA1CA548782C} = {707B4313-8EF8-4D0F-A95E-590783422187}
{C9666CB2-C9A6-48C8-AB51-D616A48058A7} = {707B4313-8EF8-4D0F-A95E-590783422187}
{4E2417E7-FDC3-46D7-B976-84A97B500B74} = {707B4313-8EF8-4D0F-A95E-590783422187}
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {7459323B-44F6-4E07-8574-E1B4B525086B}

4
README.md
View File

@@ -37,10 +37,6 @@ names and the spec pdf.
* All lower-level TWAIN APIs are public instead of hidden away.
* `TwainAppSession` longer hosts its own internal message pump. Apps will need to hook
into their UI message loop on Windows (supports Winform and WPF at the moment).
## Using the lib
Before using this lib, you are required to be reasonably

106
samples/WinConsole32/Program.cs Normal file
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@@ -0,0 +1,106 @@
using NTwain;
using NTwain.Data;
using System.Diagnostics;
namespace WinConsole32
{
internal class Program
{
static async Task Main(string[] args)
{
var libVer = FileVersionInfo.GetVersionInfo(typeof(TwainAppSession).Assembly.Location).ProductVersion;
Console.WriteLine($"Console sample {(TWPlatform.Is32bit ? " 32bit" : " 64bit")} on NTwain {libVer}");
MessagePumpThread pump = new MessagePumpThread();
TwainAppSession session = new TwainAppSession(Environment.ProcessPath!);
session.StateChanged += Session_StateChanged;
session.SourceDisabled += Session_SourceDisabled1;
session.Transferred += Session_Transferred;
var sts = await pump.AttachAsync(session);
if (sts.IsSuccess)
{
Console.WriteLine("Available data sources:");
TW_IDENTITY_LEGACY firstSrc = default;
foreach (var src in session.GetSources())
{
if (!firstSrc.HasValue) firstSrc = src;
Console.WriteLine($"\t{src}");
}
Console.WriteLine();
var defaultSrc = session.DefaultSource;
Console.WriteLine($"Default data source = {defaultSrc}");
Console.WriteLine();
session.ShowUserSelect();
Console.WriteLine($"Selected data source = {session.DefaultSource}");
Console.WriteLine();
var targetSrc = defaultSrc.HasValue ? defaultSrc : firstSrc;
if (targetSrc.HasValue)
{
TestThisSource(session, targetSrc);
}
else
{
Console.WriteLine("No data source to test.");
Console.WriteLine();
}
Console.WriteLine("---------------------------------------------");
Console.WriteLine("Test in progress, press Enter to stop testing");
Console.WriteLine("---------------------------------------------");
Console.ReadLine();
session.TryStepdown(STATE.S1);
}
else
{
Console.WriteLine("Failed to attach: " + sts);
}
Console.WriteLine("-------------------");
Console.WriteLine("Press Enter to exit");
Console.WriteLine("-------------------");
Console.ReadLine();
}
private static void Session_Transferred(TwainAppSession sender, TransferredEventArgs e)
{
if (e.Data != null)
{
Console.WriteLine("SUCCESS! Got twain data on thread {0}.", Environment.CurrentManagedThreadId);
}
else
{
Console.WriteLine("BUMMER! No twain data on thread {0}.", Environment.CurrentManagedThreadId);
}
e.Dispose();
}
private static void Session_StateChanged(TwainAppSession sender, STATE e)
{
Console.WriteLine($"Session state changed to {sender.State}");
}
private static void Session_SourceDisabled1(TwainAppSession sender, TW_IDENTITY_LEGACY e)
{
Console.WriteLine($"Session source disabled.");
sender.CloseSource();
}
private static void TestThisSource(TwainAppSession session, TW_IDENTITY_LEGACY source)
{
Console.WriteLine($"Testing data source {source}");
Console.WriteLine();
session.OpenSource(source);
var rc = session.EnableSource(true, false);
}
}
}

15
samples/WinConsole32/WinConsole32.csproj Normal file
View File

@@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net7.0-windows</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<PlatformTarget>x86</PlatformTarget>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\src\NTwain\NTwain.csproj" />
</ItemGroup>
</Project>