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C# find the length of a video file

I am using the following code to find the length of a video file.
WindowsMediaPlayer windowsMediaPlayer = new WindowsMediaPlayer();
WindowsMediaPlayer player = windowsMediaPlayer;
var clip = player.newMedia(strPath);
WMPLength = $"{TimeSpan.FromSeconds(clip.duration)} ";
player.close();
The code returns what I expect but there are two problems.
One it crashes randomly. It crashes like its out of memory but while I do see memory usage go up it doesn't appear to be enough to crash the program
Two it is very slow
Am I missing something in cleaning up the code, a memory leak
or is there a better way to do this?
Thank you

First thing first: your method requires WMP installed on the computer, there are many editions without WMP installed oob.
This is an approach i am using and no problems so far (not sure why you need the media player) is it a specific requirement, extension ?
1-Install the following NuGet package, Microsoft.WindowsAPICodePack-Shell
https://www.nuget.org/packages/Microsoft.WindowsAPICodePack-Shell
2-Use the code snipet
using Microsoft.WindowsAPICodePack.Shell;
using Microsoft.WindowsAPICodePack.Shell.PropertySystem;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace VideoLenght
{
internal class Program
{
static void Main(string[] args)
{
Console.WriteLine(GetVideoDuration(#"C:\videos\20190531_005611.mp4"));
Console.ReadLine();
}
public static TimeSpan GetVideoDuration(string filePath)
{
using (var shell = ShellObject.FromParsingName(filePath))
{
IShellProperty prop = shell.Properties.System.Media.Duration;
var t = (ulong)prop.ValueAsObject;
return TimeSpan.FromTicks((long)t);
}
}
}
}

Set signal value using .NET from Visual studio in CANoe

how can i change signal value in CANoe from C# in Visual Studio? I don't want to make a test module and run it from CANoe, i just want to run from Visual Studio and signal value to be changed. I get this error when i'm trying to set a signal value:
Vector.CANoe.Runtime.Internal.DBTypeNotFoundException: 'The type SignalName could not be found in the configuration.'
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using Vector.PanelControlPlugin;
using NetworkDB;
using Vector.CANoe.Runtime;
using Vector.CANoe.Runtime.Internal;
using Vector.CANoe.Runtime.ValueEntitiesInternal;
using Vector.PostCompiler;
using Vector.CANoe.Sockets;
using Vector.CANoe.VTS;
using Vector.CANoe.VTSInternal;
using Vector.Diagnostics;
using NetworkDB;
namespace Demo
{
public class Class1// : IPanelControlPluginLibrary
{
[OnChange(typeof(NetworkDB.PAAK_WELCOME_LIGHTS))]
public static void OnSignalLockState()
{
double value = 1;
NetworkDB.PAAK_WELCOME_LIGHTS.Instance.GetValue();
}
static void Main(String[] args)
{
OnSignalLockState();
}
}
}

The assemblies Vector.CANoe.Runtime can only be used in .NET code which is run within CANoe, i.e. in Nodes, Tests, Snippets, etc.
If you want to interact with CANoe from outside you have to use the COM-Interface of CANoe.

C# connecting (referencing) couple *.cs files

I have couple questions about referencing methods / variables between two or more *.cs files. I know that there are similar topics, but I still don't quite understand what is going on.
I'm using Visual Studio Community 2015.
So here is the problem. I have 2 files, those files are First.cs and Second.cs. They are saved in completely different, known locations on hard disc.
Inside First.cs file:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Forum
{
class First
{
static void Main(string[] args)
{
}
public int GiveMeNumber()
{
return 5;
}
}
}
Inside Second.cs file:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Forum
{
class Second
{
int number = // method from file First.cs
}
}
How do I access method GiveMeNumber() from First.cs in Second.cs as assignment for int number? How do I tell my compiler where are those files?
Thanks for any help :)

Like Alex said in his comment.
You can create a solution/project, add existing item, and browse to your first.cs and second.cs.
Mark both files with the public-keyword
for example:
namespace Forum
{
public class Second
{
int number = // method from file First.cs
}
}
Then both class can be used within each other.
So you could do
var first = new First();
var number = first.GiveMeNumber();
you probably want to do it the other way around, because I think you have a console app where your First class has a main-method.
does that help>?

Would you share your idea how to call python command from embedded Python.Net?

I've been played with Python.Net for a week, but I can't find any sample code to use Python.Net in embedded way although Python.Net source has several embeddeding tests. I've searched many threads from the previous emailing list (Python.Net), the results are not consistent and are clueless.
What I'm trying to do is to get result (PyObject po) from C# code after executing python command such as 'print 2+3' from python prompt via Python.Net because IronPython doesn't have compatibility with the module that I currently using.
When I executed it from nPython.exe, it prints out 5 as I expected. However, when I run this code from embedded way from C#. it returns 'null' always. Would you give me some thoughts how I can get the execution result?
Thank you,
Spark.
Enviroments:
1. Windows 2008 R2, .Net 4.0. Compiled Python.Net with Python27, UCS2 at VS2012
2. nPython.exe works fine to run 'print 2+3'
using NUnit.Framework;
using Python.Runtime;
namespace CommonTest
{
[TestFixture]
public class PythonTests
{
public PythonTests()
{
}
[Test]
public void CommonPythonTests()
{
PythonEngine.Initialize();
IntPtr gs = PythonEngine.AcquireLock();
PyObject po = PythonEngine.RunString("print 2+3");
PythonEngine.ReleaseLock(gs);
PythonEngine.Shutdown();
}
}
}

It seems like PythonEngine.RunString() doesn't work. Instead, PythonEngine.RunSimpleString() works fine.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
using System.Reflection;
using Python.Runtime;
namespace npythontest
{
public class Program
{
static void Main(string[] args)
{
string external_file = "c:\\\\temp\\\\a.py";
Console.WriteLine("Hello World!");
PythonEngine.Initialize();
IntPtr pythonLock = PythonEngine.AcquireLock();
var mod = Python.Runtime.PythonEngine.ImportModule("os.path");
var ret = mod.InvokeMethod("join", new Python.Runtime.PyString("my"), new Python.Runtime.PyString("path"));
Console.WriteLine(mod);
Console.WriteLine(ret);
PythonEngine.RunSimpleString("import os.path\n");
PythonEngine.RunSimpleString("p = os.path.join(\"other\",\"path\")\n");
PythonEngine.RunSimpleString("print p\n");
PythonEngine.RunSimpleString("print 3+2");
PythonEngine.RunSimpleString("execfile('" + external_file + "')");
PythonEngine.ReleaseLock(pythonLock);
PythonEngine.Shutdown();
}
}
}

C# and Microsoft Speech.Recognition and Speech.Synthesis

I'm new to C# and I'm new to Speech.Recognition.
I searched very long for tutorials but didn't find that much, I'm even not quiet sure whether I included everything correctly.
I downloaded:
SDK
Runtime
Languages
I'm programming local, I have Windows XP, .net framework 3.5.
Now I just want to get started with some simple lines of code, like to say "hello world" or say one or two words as input.
I tried following, and of course it doesn't work :>
error:
"The Typ- or Namespacename "SpeechSynthesizer" couldn't be found (Is a Using-Direktive or a Assemblyverweis missing?)"
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Speech.Recognition;
using System.Speech.Synthesis;
namespace System.Speech.Recognition { }
namespace System.Speech.AudioFormat {}
namespace System.Speech.Recognition.SrgsGrammar{}
namespace System.Speech.Synthesis { }
namespace System.Speech.Synthesis.TtsEngine { }
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
SpeechSynthesizer foo = new SpeechSynthesizer();
foo.Speak("Test");
}
}
}
edit:
hello,
i tried you code,but
using SpeechLib;
couldn't be found :>
well now i wrote:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Speech.Recognition;
using System.Speech.Synthesis;
using System.SpeechLib;
namespace System.SpeechLib { }
namespace System.Speech.Recognition { }
namespace System.Speech.AudioFormat {}
namespace System.Speech.Recognition.SrgsGrammar{}
namespace System.Speech.Synthesis { }
namespace System.Speech.Synthesis.TtsEngine { }
but I get an error with:
numericUpDown1,SpVoice,SpeechVoiceSpeakFlags,textBox1 and Timeout

Project + Add Reference, .NET tab, select "System.Speech".
A project template pre-selects several .NET assemblies. But only common ones, like System.dll, System.Core.dll, etcetera. You have to add the 'unusual' ones yourself.

you can try this:
get Interop.SpeechLib.dll
using SpeechLib;
private void ReadText(string readText)
{
int iCounter = 0;
while (Convert.ToInt32(numericUpDown1.Value) > iCounter)
{
SpVoice spVoice = new SpVoice();
spVoice.Speak(textBox1.Text, SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak);
spVoice.WaitUntilDone(Timeout.Infinite);
iCounter = iCounter + 1;
}
}