C#

private void button_PuchVideo_Click(object sender, EventArgs e)
     {
         lblVCleint1.Visible = true;
         lblVCleint2.Visible = true;
         pictureBox.Visible = true;
         pictureBox_Remote.Visible = true;
         try
         {
             // Start Capturing

             if (capture != null)
             {
                 if (capture.PreviewWindow != panelVideo)
                 {
                     capture.PreviewWindow = panelVideo;
                 }
                 capture.FrameEvent2 += new Capture.HeFrame(CaptureDone);
                 capture.GrapImg();

                 PeerIP_TXT.Enabled = false;
                 button_PuchVideo.Enabled = false;
                // mnuDevices.Enabled = false;
                 //menuItem7.Enabled = false;
                 isSending = true;
             }


         }
         catch (Exception) { }
     }


     void server()
     {
         try
         {
             server_sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
             server_sock.Bind(new IPEndPoint(IPAddress.Any, 6000));
             //server_sock.Bind(epLocal);
             server_sock.Listen(-1);

             while (true)
             {
                 try
                 {
                     Socket new_socket = server_sock.Accept();
                     NetworkStream ns = new NetworkStream(new_socket);
                     pictureBox_Remote.Image = Image.FromStream(ns);
                     ns.Close();
                     new_socket.Close();
                 }
                 catch (Exception)
                 {
                 }
             }
         }
         catch (Exception) { }

     }
     void SendVideoBuffer(object bufferIn)
     {
         try
         {
             TcpClient tcp = new TcpClient(PeerIP_TXT.Text, 6000);
             NetworkStream ns = tcp.GetStream();
             Image buffer = (Image)bufferIn;
             lock(buffer)
             buffer.Save(ns, System.Drawing.Imaging.ImageFormat.Jpeg);
             ns.Close();
             tcp.Close();
         }
         catch (Exception) { }
     }



     bool isSending = false;
     private void CaptureDone(System.Drawing.Bitmap e)
     {
         try
         {
             this.pictureBox.Image = e;
             //MemoryStream ms = new MemoryStream();
             //pictureBox.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
             //byte[] buffer = ms.GetBuffer();
             if (isSending)
                 ThreadPool.QueueUserWorkItem(new WaitCallback(SendVideoBuffer), pictureBox.Image);
         }
         catch (Exception) { }
     }

Exception Details: System.IO.FileLoadException: Could not load file or assembly 'Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b9a188c8922137c6' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b9a188c8922137c6' could not be loaded.


=== Pre-bind state information ===
LOG: DisplayName = Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b9a188c8922137c6
 (Fully-specified)
LOG: Appbase = file:///D:/MOJT/DAE_PIMS_New/Dae_PIMS/
LOG: Initial PrivatePath = D:\MOJT\DAE_PIMS_New\Dae_PIMS\bin
Calling assembly : Ext.Net, Version=1.2.0.24218, Culture=neutral, PublicKeyToken=2e12ce3d0176cd87.
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: D:\MOJT\DAE_PIMS_New\Dae_PIMS\web.config
LOG: Using host configuration file: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\config\machine.config.
LOG: Post-policy reference: Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b9a188c8922137c6
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/Temporary ASP.NET Files/mojt/7748f75a/267903e8/Newtonsoft.Json.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/Temporary ASP.NET Files/mojt/7748f75a/267903e8/Newtonsoft.Json/Newtonsoft.Json.DLL.
LOG: Attempting download of new URL file:///D:/MOJT/DAE_PIMS_New/Dae_PIMS/bin/Newtonsoft.Json.DLL.
WRN: Comparing the assembly name resulted in the mismatch: Major Version
ERR: Failed to complete setup of assembly (hr = 0x80131040). Probing terminated.


Stack Trace:


[FileLoadException: Could not load file or assembly 'Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b9a188c8922137c6' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)]
   System.ModuleHandle.ResolveType(RuntimeModule module, Int32 typeToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInstCount, ObjectHandleOnStack type) +0
   System.ModuleHandle.ResolveTypeHandleInternal(RuntimeModule module, Int32 typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext) +191
   System.Reflection.RuntimeModule.ResolveType(Int32 metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) +162
   System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, Assembly& lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes, RuntimeType& attributeType, IRuntimeMethodInfo& ctor, Boolean& ctorHasParameters, Boolean& isVarArg) +148
   System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeModule decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes, Boolean isDecoratedTargetSecurityTransparent) +604
   System.Reflection.CustomAttribute.GetCustomAttributes(RuntimePropertyInfo property, RuntimeType caType) +114
   Ext.Net.ViewStateProcessor.GetProperties(Object obj) +580
   Ext.Net.ViewStateProcessor.SaveViewState(Object obj) +79
   Ext.Net.XControl.SaveViewState() +214
   System.Web.UI.Control.SaveViewStateRecursive(ViewStateMode inheritedMode) +103
   System.Web.UI.Control.SaveViewStateRecursive(ViewStateMode inheritedMode) +398
   System.Web.UI.Control.SaveViewStateRecursive(ViewStateMode inheritedMode) +398
   System.Web.UI.Control.SaveViewStateRecursive(ViewStateMode inheritedMode) +398
   System.Web.UI.Control.SaveViewStateRecursive(ViewStateMode inheritedMode) +398
   System.Web.UI.Page.SaveAllState() +685
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8302

public void ColorChallenge()
{
    int rval = Color.Red.ToArgb();  // Int32 => -65536

    Color clr = Color.FromArgb(rval);
    
    bool ismatchEq1 = Color.Red.Equals(clr);
    
    bool ismatchEq2 = Color.Red == clr;
    
    bool ismatchEq3 = rval == clr.ToArgb();
    
    bool isknown = clr.IsKnownColor;
    
    bool isnamed  = clr.IsNamedColor;
}

public void ColorChallenge2()
{
    int rval = Color.Red.ToArgb(); // -65536
    string hex = $"0x{rval:X8}";   // "0xFFFF0000"
    
    var hx = 0xFFFF0000;
    
    string hxtype = hx.GetType().Name;
}