update

calculator/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

calculator/Program.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace calculator
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Kalkulatorr cal = new Kalkulatorr();
+            cal.beker();
+            cal.kiir();
+        }
+    }
+}

calculator/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("calculator")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("calculator")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("cd798c29-1f16-40c7-8a90-34128048af4a")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

calculator/calculator.csproj

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{CD798C29-1F16-40C7-8A90-34128048AF4A}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>calculator</RootNamespace>
+    <AssemblyName>calculator</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x64\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <OutputPath>bin\x64\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <Prefer32Bit>true</Prefer32Bit>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="kalkulatorr.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

calculator/kalkulatorr.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace calculator
+{
+    public class Kalkulatorr
+    {
+        
+        private int szam1 = 0;
+        private int szam2 = 0;
+        private char muvjel;
+        private int eredm = 0;
+        private string uzen = "A művelet eredménye: ";
+
+        public Kalkulatorr()
+        {
+        }
+
+        public Kalkulatorr(int szam1, int szam2, char muvjel, int eredm, string uzen)
+        {
+            this.szam1 = szam1;
+            this.szam2 = szam2;
+            this.muvjel = muvjel;
+            this.eredm = eredm;
+            this.uzen = uzen;
+        }
+        public void beker()
+        {
+
+            Console.WriteLine("Adja meg az első számot");
+            szam1 = 4; //int.Parse(Console.ReadLine());
+
+            Console.WriteLine("Adja meg a második számot");
+            szam2 = 4; //int.Parse(Console.ReadLine());
+
+            Console.WriteLine("Adja meg a műveleti jelet");
+            muvjel = '+'; //Convert.ToChar(Console.Read());
+        }
+        public int kiir()
+        {
+
+            switch (muvjel)
+            {
+                case '+':
+                    eredm = szam1 + szam2;
+                    break;
+
+                case '-':
+                    eredm = szam1 +-szam2;
+                    break;
+
+                case '*':
+                    eredm = szam1 * szam2;
+                    break;
+
+                case '/':
+                    eredm = szam1 / szam2;
+                    break;
+
+                default:
+                    uzen = "Hibás műveleti jel";
+                    break;
+
+            }
+            Console.WriteLine(uzen + eredm);
+            
+            Console.ReadKey();
+            return eredm;
+
+        }
+    }
+}

calculator/obj/x64/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs

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+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]