<ul class="list-group"> 
  <li class="list-group-item">Item 1</li> 
  <li class="list-group-item">Item 2</li> 
  <li class="list-group-item">Item 3</li> 
</ul>

{
  "version": "1.0.0-*",
 
    "dependencies": {
        "NETStandard.Library": "1.6.0",
        "Microsoft.AspNetCore.Http.Extensions": "1.0.0",
        "Microsoft.AspNetCore.Mvc.Abstractions": "1.0.1",
        "Microsoft.AspNetCore.Mvc.Core": "1.0.1",
        "Microsoft.AspNetCore.Mvc.ViewFeatures": "1.0.1",
        "Microsoft.AspNetCore.Razor.Runtime": "1.0.0"
    },
 
  "frameworks": {
    "netstandard1.6": {
      "imports": "dnxcore50"
    }
  }
}

namespace Core1RtmEmptyTest.TagHelpers
{
    [HtmlTargetElement("list-group")]
    public class ListGroupTagHelper : TagHelper
    {
        [HtmlAttributeName("asp-items")]
        public List<string> Items { get; set; }
 
        public override void Process(TagHelperContext context, TagHelperOutput output)
        {
        }
    }
}

 <list-group></list-group>

 <list-group asp-items="Model.Items"></list-group>

using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Mvc.ViewFeatures;
using Microsoft.AspNetCore.Razor.TagHelpers;
 
namespace Core1RtmEmptyTest.TagHelpers
{
    [HtmlTargetElement("list-group")]
    public class ListGroupTagHelper : TagHelper
    {
        [HtmlAttributeName("asp-items")]
        public List<string> Items { get; set; }
 
        protected HttpRequest Request => ViewContext.HttpContext.Request;
 
        [ViewContext, HtmlAttributeNotBound]
        public ViewContext ViewContext { get; set; }
        public override void Process(TagHelperContext context, TagHelperOutput output)
        {
            if (context == null)
            {
                throw new ArgumentNullException(nameof(context));
            }
 
            if (output == null)
            {
                throw new ArgumentNullException(nameof(output));
            }
 
            if (Items == null)
            {
                throw new InvalidOperationException($"{nameof(Items)} must be provided");
            }
 
            output.TagName = "ul";
            output.TagMode = TagMode.StartTagAndEndTag;
            output.Attributes.Add("class", "list-group");
 
            foreach (var item in Items)
            {
                TagBuilder itemBuilder = new TagBuilder("li");
                itemBuilder.AddCssClass("list-group-item");
                itemBuilder.InnerHtml.Append(item);
                output.Content.AppendHtml(itemBuilder);
            }
        }
    }
}

 @addTagHelper *,Core1RtmEmptyTest.TagHelpers

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>net5.0</TargetFramework>
  </PropertyGroup>
</Project>

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFrameworks>net5.0;netstandard2.1;netstandard2.0;net461</TargetFrameworks>
  </PropertyGroup>
</Project>

            try
            {
                using (WebSession mywebsession = WebCore.CreateWebSession(
new WebPreferences() { CustomCSS = "::-webkit-scrollbar { visibility: hidden; }" }))
                {
                    using (var view = WebCore.CreateWebView(1240, 1000, mywebsession))
                    {
                        view.Source = new Uri("https://site.com/");

                        bool finishedLoading = false;
                        view.LoadingFrameComplete += (s, e) =>
                        {
                            if (e.IsMainFrame)
                                finishedLoading = true;
                        };

                        while (!finishedLoading)
                        {
                            Thread.Sleep(100);
                            WebCore.Update();
                        }

                        using (var surface = (BitmapSurface)view.Surface)
                        {
                            surface.SaveToJPEG("result.jpg");
                        }
                    }
                }
            }
            finally
            {
                WebCore.Shutdown();
            }

 System.InvalidOperationException: You are attempting to re-initialize the WebCore.
The WebCore must only be initialized once per process and must be shut down only when the process exits.

 System.AccessViolationException: Attempted to read or write protected memory.
This is often an indication that other memory is corrupt. at Awesomium.Core.NativeMethods.WebCore_CreateWebView_1(HandleRef jarg1, Int32 jarg2, Int32 jarg3, HandleRef jarg4)

using System;
using System.Collections.Concurrent;
using System.IO;
using System.Threading;
using System.Web;
using Awesomium.Core;

namespace AwesomiumWebModule
{
    public class AwesomiumModule : IHttpModule
    {
        private static readonly Thread WorkerThread = new Thread(awesomiumWorker);
        private static readonly ConcurrentQueue<AwesomiumRequest> TaskQueue = new ConcurrentQueue<AwesomiumRequest>();
        private static bool _isRunning = true;

        static AwesomiumModule()
        {
            WorkerThread.Start();
        }       

        private static void awesomiumWorker()
        {
            while (_isRunning)
            {
                if (TaskQueue.Count != 0)
                {
                    AwesomiumRequest outRequest;
                    if (TaskQueue.TryDequeue(out outRequest))
                    {
                        var img = AwesomiumThumbnail.FetchWebPageThumbnail(outRequest);
                        File.WriteAllBytes(outRequest.SavePath, img);
                        Thread.Sleep(500);
                    }
                }
                Thread.Sleep(5);
            }
        }

        public void Dispose()
        {
            _isRunning = false;
            WebCore.Shutdown();
        }

        public void Init(HttpApplication context)
        {
            context.EndRequest += endRequest;
        }

        static void endRequest(object sender, EventArgs e)
        {
            var url = HttpContext.Current.Items[Constants.AwesomiumRequest] as AwesomiumRequest;
            if (url!=null)
            {
                TaskQueue.Enqueue(url);
            }
        }
    }
}

<?xml version="1.0"?>
<configuration>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <httpModules>
      <add name="AwesomiumWebModule" type="AwesomiumWebModule.AwesomiumModule"/>
    </httpModules>
  </system.web>

  <system.webServer>
    <validation validateIntegratedModeConfiguration="false"/>
    <modules>
      <add name="AwesomiumWebModule" type="AwesomiumWebModule.AwesomiumModule"/>
    </modules>
  </system.webServer>
</configuration>

        protected void btnStart_Click(object sender, EventArgs e)
        {
            var host = new Uri(txtUrl.Text).Host;
            HttpContext.Current.Items.Add(Constants.AwesomiumRequest, new AwesomiumRequest
            {
                Url = txtUrl.Text,
                SavePath = Path.Combine(HttpRuntime.AppDomainAppPath, "App_Data\\Thumbnails\\" + host + ".jpg"),
                TempDir = Path.Combine(HttpRuntime.AppDomainAppPath, "App_Data\\Temp")
            });
            lblInfo.Text = "Please wait. Your request will be served shortly.";
        }

Install-Package RazorEngine -Version 3.7.0

#region Assembly RazorEngine.dll, v2.1.4039.23635
// Your Address\dynamicCSS\packages\RazorEngine.2.1\lib\.NetFramework 4.0\RazorEngine.dll
#endregion

using RazorEngine.Templating;
using System;
using System.Collections.Generic;

namespace RazorEngine
{
    public static class Razor
    {
        public static TemplateService DefaultTemplateService { get; }
        public static IDictionary<string, TemplateService> Services { get; }

        public static void AddResolver(Func<string, string> resolverDelegate);
        public static void AddResolver(ITemplateResolver resolver);
        public static void Compile(string template, string name);
        public static void Compile(string template, Type modelType, string name);
        public static void CompileWithAnonymous(string template, string name);
        public static string Parse(string template, string name = null);
        public static string Parse<T>(string template, T model, string name = null);
        public static string Run(string name);
        public static string Run<T>(T model, string name);
        public static void SetActivator(Func<Type, ITemplate> activator);
        public static void SetActivator(IActivator activator);
        public static void SetTemplateBase(Type type);
    }
}

 public interface CopyFileListener
    {
        void PublishProgress(long fileSize,long copiedSize);
    }

 textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                
            }
        });

public class MemoryWare {

    public interface CopyFileListener
    {
        void PublishProgress(long fileSize,long copiedSize);
    }
....
}

SetOnClickListener

 editText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });

  @Override
    public View getView(int position, View rowView, ViewGroup parent) {

        ViewHolder viewHolder=null;
        if(rowView==null)
        {
            // 1. Create inflater
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

            // 2. Get rowView from inflater
            rowView = inflater.inflate(R.layout.row_bank_group_list, parent, false);
            viewHolder=new ViewHolder();
            viewHolder.txtGroupName=(TextView) rowView.findViewById(R.id.text_groupName);
            rowView.setTag(viewHolder);
        }
        else
        {
            viewHolder=(ViewHolder)rowView.getTag();
        }
        viewHolder.txtGroupName.setText(getItem(position).getName());
        viewHolder.txtGroupName.setTypeface(new FontSystem().get_General_Font(context));
        viewHolder.txtGroupName.setTextColor(context.getResources().getColor(R.color.black));

        return rowView;
    }

File file=new File(sdcardPath,fileName);

if(file.CanWrite())
{
  .....
}

File file=new File(sdcardPath);

if(file.CanWrite())
{
file=new File(sdcardPath,filePath);
  .....
}

Environment.getExternalStorageDirectory()

/Data/Data

/Data/Data/Info.Dotnettips.MyApp

    /**
     * it will returns sd path for you
     *  <p>
     *  <b>Required Permission: </b>android.permission.READ_EXTERNAL_STORAGE<br/>
     * </p>
     * @return
     */
    public  List<String> GetExternalMounts() {
        final List<String> out = new ArrayList<>();
        String reg = "(?i).*vold.*(vfat|ntfs|exfat|fat32|ext3|ext4).*rw.*";
        String s = "";
        try {
            final Process process = new ProcessBuilder().command("mount")
                    .redirectErrorStream(true).start();
            process.waitFor();
            final InputStream is = process.getInputStream();
            final byte[] buffer = new byte[1024];
            while (is.read(buffer) != -1) {
                s = s + new String(buffer);
            }
            is.close();
        } catch (final Exception e) {
            e.printStackTrace();
        }

        // parse output
        final String[] lines = s.split("\n");
        for (String line : lines) {
            if (!line.toLowerCase(Locale.US).contains("asec")) {
                if (line.matches(reg)) {
                    String[] parts = line.split(" ");
                    for (String part : parts) {
                        if (part.startsWith("/"))
                            if (!part.toLowerCase(Locale.US).contains("vold"))
                                if(new File(part).canWrite())
                                    out.add(part);
                    }
                }
            }
        }
        return out;
    }

notesIntent.putExtra("PartyId", PartyId);
startActivity(notesIntent);

PartyId=getIntent().getLongExtra("PartyId",0);

i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, false);
i.putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_FILE);

• برای ثابت‌ها از حروف بزرگ و _ استفاده کنید.
• برای متغیرهای خصوصی از حرف m در ابتدای نام متغیر استفاده کنید.
• برای متغیرهای استاتیک از حرف s در ابتدای نام متغیر استفاده کنید.

public class MyClass {
    public static final int SOME_CONSTANT = 42;
    public int publicField;
    private static MyClass sSingleton;
    int mPackagePrivate;
    private int mPrivate;
    protected int mProtected;
}

1. نام پکیج‌های ارائه شده توسط گوگل
2. نام پکیج‌های ثالث
3. نام پکیج‌های موجود در java و javax
4. پکیج‌های موجود در پکیج اصلی
   

public, protected, private,abstract, static, transient, volatile, synchronized, final, native.

Settings>Editor>Code Style>Arrangement

Settings>Editor>Completion>Case-sensitive Completion>None

class $safeitemrootname$
    {
    }

========= To

public class $safeitemrootname$
    {
    }

dotnet new web

 dotnet add package IdentityServer4

    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            services.AddIdentityServer()
                .AddDeveloperSigningCredential();
        }

using System.Collections.Generic;
using System.Security.Claims;
using IdentityServer4.Models;
using IdentityServer4.Test;

namespace DNT.IDP
{
    public static class Config
    {
        // test users
        public static List<TestUser> GetUsers()
        {
            return new List<TestUser>
            {
                new TestUser
                {
                    SubjectId = "d860efca-22d9-47fd-8249-791ba61b07c7",
                    Username = "User 1",
                    Password = "password",

                    Claims = new List<Claim>
                    {
                        new Claim("given_name", "Vahid"),
                        new Claim("family_name", "N"),
                    }
                },
                new TestUser
                {
                    SubjectId = "b7539694-97e7-4dfe-84da-b4256e1ff5c7",
                    Username = "User 2",
                    Password = "password",

                    Claims = new List<Claim>
                    {
                        new Claim("given_name", "User 2"),
                        new Claim("family_name", "Test"),
                    }
                }
            };
        }

        // identity-related resources (scopes)
        public static IEnumerable<IdentityResource> GetIdentityResources()
        {
            return new List<IdentityResource>
            {
                new IdentityResources.OpenId(),
                new IdentityResources.Profile()
            };
        }

        public static IEnumerable<Client> GetClients()
        {
            return new List<Client>();
        }
    }
}

    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            services.AddIdentityServer()
             .AddDeveloperSigningCredential()
             .AddTestUsers(Config.GetUsers())
             .AddInMemoryIdentityResources(Config.GetIdentityResources())
             .AddInMemoryClients(Config.GetClients());
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseIdentityServer();
            app.UseStaticFiles();
            app.UseMvcWithDefaultRoute();
        }

 https://localhost:6001/.well-known/openid-configuration

iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/IdentityServer/IdentityServer4.Quickstart.UI/release/get.ps1'))

\curl -L https://raw.githubusercontent.com/IdentityServer/IdentityServer4.Quickstart.UI/release/get.sh | bash