projeto1.0

.vs/ProjectSettings.json

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+{
+  "CurrentProjectSetting": null
+}

.vs/VSWorkspaceState.json

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+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}

apGrafico/apGrafico.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33205.214
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "apGrafico", "apGrafico\apGrafico.csproj", "{04A3C00E-8BBA-4CD6-867E-4460C850B8D0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{04A3C00E-8BBA-4CD6-867E-4460C850B8D0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{04A3C00E-8BBA-4CD6-867E-4460C850B8D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{04A3C00E-8BBA-4CD6-867E-4460C850B8D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{04A3C00E-8BBA-4CD6-867E-4460C850B8D0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {123C0402-0C54-4D24-90C8-3C94A8E3657A}
+	EndGlobalSection
+EndGlobal

apGrafico/apGrafico/App.config

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

apGrafico/apGrafico/Circulo.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Drawing;
+
+namespace apGrafico
+{
+    class Circulo : Ponto //herdada da classe ponto
+    {
+        int raio; //vamos utilizar mais uma variável
+
+        //get e set
+        public int Raio { get { return raio; } set { raio = value; } }
+
+        //contrutor
+        public Circulo(int xCentro, int yCentro, int novoRaio, Color novaCor) : 
+               base(xCentro, yCentro, novaCor)
+        {
+            raio = novoRaio;
+        }
+
+        //set no do novoRaio
+        public void setRaio(int novoRaio)
+        {
+            raio = novoRaio;
+        }
+
+        //sobreposição da metodo desenhar
+        public override void desenhar(Color corDesenho, Graphics g)
+        {
+            Pen pen = new Pen(corDesenho);
+            g.DrawEllipse(pen, base.X - raio, base.Y - raio,  //centro - raio
+                          2 * raio, 2 * raio);                //centro + raio 
+        }
+
+    }
+}

apGrafico/apGrafico/Elipse.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Drawing;
+
+namespace apGrafico
+{
+    class Elipse : Ponto
+    {
+        int raio1, raio2;
+
+        //getters e setters dos raios
+        public int Raio1 { get { return raio1; } set { raio1 = value; } }
+        public int Raio2 { get { return raio2; } set { raio2 = value; } }
+
+        //construtor
+        public Elipse(int xCentro, int yCentro, int novoRaio1, int novoRaio2, Color novaCor) :
+               base(xCentro, yCentro, novaCor)
+        {
+            raio1 = novoRaio1;
+            raio2 = novoRaio2;
+        }
+
+        //setters dos novos raios
+        public void setRaio1(int novoRaio1)
+        {
+            raio1 = novoRaio1;
+        }
+
+        public void setRaio2(int novoRaio2)
+        {
+            raio2 = novoRaio2;
+        }
+
+        //sobreposição do metodo desenhar
+        public override void desenhar(Color corDesenho, Graphics g)
+        {
+            Pen pen = new Pen(corDesenho);
+            g.DrawEllipse(pen, base.X - raio1, base.Y - raio2, 2 * raio1, 2 * raio2);
+        }
+    }
+}