Merge pull request #19 from lechu445/fix_multiple_show_

Fix Show already active menu causing StackOverflow

Author: lechu445

ConsoleMenu/ConsoleMenu.cs

@@ -19,6 +19,7 @@ public class ConsoleMenu : IEnumerable
   private readonly CloseTrigger closeTrigger;
   private MenuConfig config = new MenuConfig();
   private ConsoleMenu? parent = null;
+  private bool isShown = false;
 
   /// <summary>
   /// Initializes a new instance of the <see cref="ConsoleMenu"/> class.
@@ -283,19 +284,21 @@ public ConsoleMenu Configure(MenuConfig config)
   /// </summary>
   public void Show()
   {
-    new ConsoleMenuDisplay(
-        this.menuItems,
-        this.Console,
-        new List<string>(this.Titles),
-        this.config,
-        this.closeTrigger).ShowAsync(CancellationToken.None).GetAwaiter().GetResult();
+    ShowAsync(CancellationToken.None).GetAwaiter().GetResult();
   }
 
   /// <summary>
   /// Displays the menu in console.
   /// </summary>
   public async Task ShowAsync(CancellationToken cancellationToken = default)
   {
+    if (isShown)
+    {
+      this.menuItems.UnsetSelectedIndex();
+    }
+
+    isShown = true;
+
     await new ConsoleMenuDisplay(
         this.menuItems,
         this.Console,

ConsoleMenu/ConsoleMenu.csproj

@@ -6,10 +6,10 @@
     <Authors>lechu445</Authors>
     <Product>ConsoleMenu-simple</Product>
     <Description>A simple, highly customizable, DOS-like console menu</Description>
-    <PackageReleaseNotes>- added async API</PackageReleaseNotes>
+    <PackageReleaseNotes>- Fix Show already active menu causing StackOverflow (#16)</PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/lechu445/ConsoleMenu</PackageProjectUrl>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
-    <Version>2.6.0</Version>
+    <Version>2.6.1</Version>
     <RepositoryUrl>https://github.com/lechu445/ConsoleMenu</RepositoryUrl>
     <PackageTags>console, menu, simple</PackageTags>
     <PackageLicenseFile>LICENSE.txt</PackageLicenseFile>

ConsoleMenuSampleApp/ConsoleMenuSampleApp.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

ConsoleMenuTests/ConsoleMenuTests.csproj

@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

ConsoleMenuTests/TestHelpers/AssertHelper.cs

@@ -12,7 +12,7 @@ public static void Equal(string expected, string actual)
       }
       catch (Xunit.Sdk.EqualException ex)
       {
-        throw new Xunit.Sdk.AssertActualExpectedException(expected, actual, "Expected was not equal to actual", "Expected", "Actual", ex);
+        throw new Xunit.Sdk.XunitException("Expected was not equal to actual", ex);
       }
     }
   }