.NET

独学書

Text	Date	Status
C++ プログラミング入門	2021/10/17	Chapter 6 コンストラクタおよびデストラクタを用いた優れた抽象化finished
やさしいＣ＃第３版	2022/07/16	finished ->コード

環境

Machine	Env／FW	Last Updated
Windows	Visual Studio Community 2022 17.14.9(July 2025)	2025/07/16
	- .NET 9.0.7	2025/07/09
	- .NET 8.0.18	2025/07/09
	- Windows App SDK 1.6.3	2024/11/23
Windows Insider	Visual Studio Community 2022 17.14.8 Preview 1.0	2025/07/12
	- .NET 10.0.0-preview.5.25277.114	2025/06/11
	- MAUI 10.0.0-preview.5	2025/06/12
	- Android Emulator v.35.5.10	2025/06/12
	- .NET 9.0.7	2025/07/12
	- .NET 8.0.18	2025/07/12

ノウハウ

Visual Studio / プレビュー

Visual Studio
- Visual Studio 2022 17.14.9 (July 2025)
Visual Studio Preview
- Visual Studio 2022 17.14.8 Preview 1.0
履歴
グローバルパッケージ、キャッシュ、および一時フォルダーを管理する
- NuGetパッケージは、既定では、ユーザフォルダに保存されるため、他のフォルダに保存する場合は、NUGET_PACKAGES環境変数でそのフォルダを指定する。
Visual Studio Client Detector Utility
- Visual Studio のインストールを検出して管理するために使用できるツールらしい！
Shift-JISで作成していたはずのソースがUnicodeに変換される？
パッケージ管理
- NuGetパッケージ管理画面にて、「更新プログラム」に表示されるパッケージを更新する
注目した変更
- GitHub Copilot (17.10 Preview 3.0-)
- ようこそ画面 (17.6 Preview 2.0-) ダイアログではなく、IDEにクイックアクションなどをまとめたようこそ画面が。
- スペルチェッカ (17.5 Preview 5.0-) 単語レベルでの間違いを指摘し、修正候補を提示する。

.NET

.NET 10.0.0-preview5(2025/06/11 Updated!)
- ターゲットフレームワークに”.NET 10.0”を指定することで実現
- ターゲットフレームワークである”.NET 10.0”のバージョンが表示できる
.NET 9.0.7(2025/07/12 Updated!)
- ターゲットフレームワークに”.NET 9.0”を指定することで実現
- ターゲットフレームワークである”.NET 9.0”のバージョンが表示できる
.NET での破壊的変更
.NET 8.0.18(2025/07/12 Updated!)
- ターゲットフレームワークに”.NET 8.0”を指定していれば、”.NET 8.0”のバージョンが表示できる

Wingetでのインストール

winget install Microsoft.DotNet.SDK.8
winget install Microsoft.DotNet.SDK.9
winget install Microsoft.DotNet.SDK.Preview

.NET 環境情報

dotnet --info

Visual Studio 2022 Preview＠Windows Insider</summary>

.NET SDK:
Version:           10.0.100-preview.5.25277.114
Commit:            ddf39a1b46
Workload version:  10.0.100-preview.5.25306.3
MSBuild version:   17.15.0-preview-25277-114+ddf39a1b4

ランタイム環境:
OS Name:     Windows
OS Version:  10.0.26200
OS Platform: Windows
RID:         win-x64
Base Path:   C:\Program Files\dotnet\sdk\10.0.100-preview.5.25277.114\

インストール済みの .NET ワークロード:
[android]
  Installation Source: SDK 10.0.100-preview.5, VS 17.14.36301.6
  Manifest Version:    36.0.0-preview.5.116/10.0.100-preview.5
  Manifest Path:       C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.android\36.0.0-preview.5.116\WorkloadManifest.json
  Install Type:              Msi

[ios]
  Installation Source: SDK 10.0.100-preview.5, VS 17.14.36301.6
  Manifest Version:    18.4.10622-net10-p5/10.0.100-preview.5
  Manifest Path:       C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.ios\18.4.10622-net10-p5\WorkloadManifest.json
  Install Type:              Msi

[maccatalyst]
  Installation Source: SDK 10.0.100-preview.5, VS 17.14.36301.6
  Manifest Version:    18.4.10622-net10-p5/10.0.100-preview.5
  Manifest Path:       C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.maccatalyst\18.4.10622-net10-p5\WorkloadManifest.json
  Install Type:              Msi

[maui-windows]
  Installation Source: SDK 10.0.100-preview.5, VS 17.14.36301.6
  Manifest Version:    10.0.0-preview.5.25306.5/10.0.100-preview.5
  Manifest Path:       C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.maui\10.0.0-preview.5.25306.5\WorkloadManifest.json
  Install Type:              Msi

Configured to use workload sets when installing new manifests.

Host:
  Version:      10.0.0-preview.5.25277.114
  Architecture: x64
  Commit:       ddf39a1b46

.NET SDKs installed:
  8.0.407 [C:\Program Files\dotnet\sdk]
  9.0.202 [C:\Program Files\dotnet\sdk]
  9.0.302 [C:\Program Files\dotnet\sdk]
  10.0.100-preview.5.25277.114 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 8.0.14 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 9.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 10.0.0-preview.5.25277.114 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 8.0.14 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 9.0.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.NETCore.App 10.0.0-preview.5.25277.114 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 8.0.14 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 9.0.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
  Microsoft.WindowsDesktop.App 10.0.0-preview.5.25277.114 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
  x86   [C:\Program Files (x86)\dotnet]
    registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

Environment variables:
  Not set

global.json file:
  Not found

Learn more:
  https://aka.ms/dotnet/info

Download .NET:
  https://aka.ms/dotnet/download

</details>

Visual Studio 2022@Windows</summary>

  .NET SDK:
  Version:           9.0.302
  Commit:            bb2550b9af
  Workload version:  9.0.300-manifests.183aaee6
  MSBuild version:   17.14.13+65391c53b

  ランタイム環境:
  OS Name:     Windows
  OS Version:  10.0.26100
  OS Platform: Windows
  RID:         win-x64
  Base Path:   C:\Program Files\dotnet\sdk\9.0.302\

  インストール済みの .NET ワークロード:
  表示するインストール済みワークロードはありません。
  新しいマニフェストをインストールするときに loose manifests を使用するように構成されています。

  Host:
    Version:      9.0.7
    Architecture: x64
    Commit:       3c298d9f00

  .NET SDKs installed:
    6.0.428 [C:\Program Files\dotnet\sdk]
    9.0.302 [C:\Program Files\dotnet\sdk]

  .NET runtimes installed:
    Microsoft.AspNetCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
    Microsoft.AspNetCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
    Microsoft.AspNetCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
    Microsoft.NETCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
    Microsoft.NETCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
    Microsoft.NETCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
    Microsoft.WindowsDesktop.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
    Microsoft.WindowsDesktop.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
    Microsoft.WindowsDesktop.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

  Other architectures found:
    x86   [C:\Program Files (x86)\dotnet]
      registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

  Environment variables:
    Not set

  global.json file:
    Not found

  Learn more:
    https://aka.ms/dotnet/info

  Download .NET:
    https://aka.ms/dotnet/download

</details>

Windows App SDK

Windows App SDK

NET 8.0

.NET SDK で小さい RID グラフを使う

<PropertyGroup>
  ...
  <RuntimeIdentifier>win-x64</RuntimeIdentifier>
</PropertyGroup>

バージョン確認

get-appxpackage *appruntime.1.6*

Windows App SDK 1.6.3</summary>

Name              : Microsoft.WindowsAppRuntime.1.6
Publisher         : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Architecture      : X86
ResourceId        :
Version           : 6000.318.2304.0
PackageFullName   : Microsoft.WindowsAppRuntime.1.6_6000.318.2304.0_x86__8wekyb3d8bbwe
InstallLocation   : C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.318.2304.0_x86__8wekyb3d8bbwe
IsFramework       : True
PackageFamilyName : Microsoft.WindowsAppRuntime.1.6_8wekyb3d8bbwe
PublisherId       : 8wekyb3d8bbwe
IsResourcePackage : False
IsBundle          : False
IsDevelopmentMode : False
NonRemovable      : False
IsPartiallyStaged : False
SignatureKind     : Store
Status            : Ok

Name              : Microsoft.WindowsAppRuntime.1.6
Publisher         : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Architecture      : X64
ResourceId        :
Version           : 6000.318.2304.0
PackageFullName   : Microsoft.WindowsAppRuntime.1.6_6000.318.2304.0_x64__8wekyb3d8bbwe
InstallLocation   : C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.318.2304.0_x64__8wekyb3d8bbwe
IsFramework       : True
PackageFamilyName : Microsoft.WindowsAppRuntime.1.6_8wekyb3d8bbwe
PublisherId       : 8wekyb3d8bbwe
IsResourcePackage : False
IsBundle          : False
IsDevelopmentMode : False
NonRemovable      : False
IsPartiallyStaged : False
SignatureKind     : Store
Status            : Ok

</details>

MAUI

.NET MAUI 10

Visual Studio
- Visual Studio 2022 17.14.5 Preview 1.0 対応
  - 17.14.5 Preview 1.0 / MAUI 10.0.0-preview.5.25306.5 / Pixel 9 Pro API 36(Android 16)
- 履歴

MAUIワークロードの更新

dotnet workload update

MAUI Update Log</summary>

  .NET 10.0 へようこそ!
  ---------------------
  SDK バージョン: 10.0.100-preview.5.25277.114

  テレメトリ
  ---------
  .NET ツールは、エクスペリエンスの向上のために利用状況データを収集します。データは Microsoft によって収集され、コミュニティと共有されます。テレメト リをオプトアウトするには、好みのシェルを使用して、DOTNET_CLI_TELEMETRY_OPTOUT 環境変数を '1' または 'true' に設定できます。

  .NET CLI ツールのテレメトリの詳細をご覧ください: https://aka.ms/dotnet-cli-telemetry

  ----------------
  ASP.NET Core HTTPS 開発証明書をインストールしました。
  証明書を信頼するには、'dotnet dev-certs https --trust' を実行します
  HTTPS の詳細情報: https://aka.ms/dotnet-https

  ----------------
  最初のアプリを作成するには、https://aka.ms/dotnet-hello-world を参照してください
  最新情報については、https://aka.ms/dotnet-whats-new を参照してください
  ドキュメントを探すには、https://aka.ms/dotnet-docs を参照してください
  GitHub で問題の報告とソースの検索を行うには、https://github.com/dotnet/core を参照してください
  'dotnet --help' を使用して使用可能なコマンドを確認するか、https://aka.ms/dotnet-cli にアクセスしてください
  --------------------------------------------------------------------------------------

  Updated advertising manifest microsoft.net.workloads.
  Installing workload version 10.0.100-preview.5.25306.3.
  Downloading microsoft.net.workloads.10.0.100-preview.5.msi.x64 (10.100.0-preview.5.25306.3)
  Installing microsoft.net.workloads.10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.workload.emscripten.current.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.emscripten.net6.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.emscripten.net7.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.emscripten.net8.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.emscripten.net9.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.sdk.android.manifest-10.0.100-preview.5.msi.x64 (36.0.0-preview.5.116)
  Installing microsoft.net.sdk.android.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.sdk.ios.manifest-10.0.100-preview.5.msi.x64 (18.4.10622-net10-p5)
  Installing microsoft.net.sdk.ios.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.sdk.maccatalyst.manifest-10.0.100-preview.5.msi.x64 (18.4.10622-net10-p5)
  Installing microsoft.net.sdk.maccatalyst.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.sdk.macos.manifest-10.0.100-preview.5.msi.x64 (15.4.10622-net10-p5)
  Installing microsoft.net.sdk.macos.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.sdk.maui.manifest-10.0.100-preview.5.msi.x64 (10.0.0-preview.5.25306.5)
  Installing microsoft.net.sdk.maui.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.sdk.tvos.manifest-10.0.100-preview.5.msi.x64 (18.4.10622-net10-p5)
  Installing microsoft.net.sdk.tvos.manifest-10.0.100-preview.5.msi.x64 ..... Done
  Downloading microsoft.net.workload.mono.toolchain.current.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.mono.toolchain.net6.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.mono.toolchain.net7.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.mono.toolchain.net8.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  Downloading microsoft.net.workload.mono.toolchain.net9.manifest-10.0.100-preview.5.msi.x64 (10.0.100-preview.5.25277.114)
  No workloads installed for this feature band. To update workloads installed with earlier SDK versions, include the --from-previous-sdk option.     
  Writing install records for Visual Studio workloads: 'ios, android, maccatalyst, maui-windows'
  Downloading Microsoft.iOS.Sdk.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Sdk.net10.0_18.4.Msi.x64 .......... Done
  Downloading Microsoft.iOS.Windows.Sdk.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Windows.Sdk.net10.0_18.4.Msi.x64 .......... Done
  Downloading Microsoft.iOS.Ref.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Ref.net10.0_18.4.Msi.x64 ....... Done
  Downloading Microsoft.iOS.Runtime.ios.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Runtime.ios.net10.0_18.4.Msi.x64 ....... Done
  Downloading Microsoft.iOS.Runtime.ios-arm64.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Runtime.ios-arm64.net10.0_18.4.Msi.x64 ..... Done
  Downloading Microsoft.iOS.Runtime.iossimulator-x64.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Runtime.iossimulator-x64.net10.0_18.4.Msi.x64 ..... Done
  Downloading Microsoft.iOS.Runtime.iossimulator-arm64.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Runtime.iossimulator-arm64.net10.0_18.4.Msi.x64 ...... Done
  Downloading Microsoft.iOS.Templates.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.iOS.Templates.Msi.x64 ..... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.x64 .......... Done
  Downloading Microsoft.NET.Runtime.MonoAOTCompiler.Task.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NET.Runtime.MonoAOTCompiler.Task.Msi.x64 ..... Done
  Downloading Microsoft.NET.Runtime.MonoTargets.Sdk.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NET.Runtime.MonoTargets.Sdk.Msi.x64 ..... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.x64 (9.0.6)
  Downloading Microsoft.NET.Runtime.MonoAOTCompiler.Task.Msi.x64 (9.0.6)
  Downloading Microsoft.NET.Runtime.MonoTargets.Sdk.Msi.x64 (9.0.6)
  Downloading Microsoft.Android.Sdk.Windows.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Sdk.Windows.Msi.x64 .................. Done
  Downloading Microsoft.Android.Ref.36.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Ref.36.Msi.x64 ........ Done
  Downloading Microsoft.Android.Runtime.36.android.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.36.android.Msi.x64 ...... Done
  Downloading Microsoft.Android.Runtime.Mono.36.android-arm.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.Mono.36.android-arm.Msi.x64 ..... Done
  Downloading Microsoft.Android.Runtime.Mono.36.android-arm64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.Mono.36.android-arm64.Msi.x64 ..... Done
  Downloading Microsoft.Android.Runtime.Mono.36.android-x86.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.Mono.36.android-x86.Msi.x64 ...... Done
  Downloading Microsoft.Android.Runtime.Mono.36.android-x64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.Mono.36.android-x64.Msi.x64 ...... Done
  Downloading Microsoft.Android.Runtime.CoreCLR.36.android-arm64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.CoreCLR.36.android-arm64.Msi.x64 ..... Done
  Downloading Microsoft.Android.Runtime.CoreCLR.36.android-x64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.CoreCLR.36.android-x64.Msi.x64 ..... Done
  Downloading Microsoft.Android.Runtime.NativeAOT.36.android-arm64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.NativeAOT.36.android-arm64.Msi.x64 ..... Done
  Downloading Microsoft.Android.Runtime.NativeAOT.36.android-x64.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Runtime.NativeAOT.36.android-x64.Msi.x64 ..... Done
  Downloading Microsoft.Android.Templates.Msi.x64 (36.0.0-preview.5.116)
  Installing Microsoft.Android.Templates.Msi.x64 ..... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x86.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.x64 ........... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.x64 ........... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x86.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x86.Msi.x64 ........ Done
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x64.Msi.x64 ........ Done
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm.Msi.x64 ........ Done
  Downloading Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm64.Msi.x64 ........ Done
  Downloading Microsoft.MacCatalyst.Sdk.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.MacCatalyst.Sdk.net10.0_18.4.Msi.x64 ...... Done
  Downloading Microsoft.MacCatalyst.Ref.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
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  Installing Microsoft.MacCatalyst.Runtime.maccatalyst.net10.0_18.4.Msi.x64 ....... Done
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  Installing Microsoft.MacCatalyst.Runtime.maccatalyst-x64.net10.0_18.4.Msi.x64 ..... Done
  Downloading Microsoft.MacCatalyst.Runtime.maccatalyst-arm64.net10.0_18.4.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.MacCatalyst.Runtime.maccatalyst-arm64.net10.0_18.4.Msi.x64 ...... Done
  Downloading Microsoft.MacCatalyst.Templates.Msi.x64 (18.4.10622-net10-p5)
  Installing Microsoft.MacCatalyst.Templates.Msi.x64 ..... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.x64 (10.0.0-preview.5.25277.114)
  Installing Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.x64 .......... Done
  Downloading Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.x64 (9.0.6)
  Downloading Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.x64 (9.0.6)
  Downloading Microsoft.Maui.Graphics.Win2D.WinUI.Desktop.Msi.x64 (10.0.0-preview.5.25306.5)
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  Downloading Microsoft.AspNetCore.Components.WebView.Maui.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.AspNetCore.Components.WebView.Maui.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Sdk.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Sdk.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Graphics.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Graphics.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Resizetizer.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Resizetizer.Msi.x64 ....... Done
  Downloading Microsoft.Maui.Templates.net10.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Templates.net10.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Core.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Core.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Controls.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Controls.Msi.x64 .... Done
  Downloading Microsoft.Maui.Controls.Build.Tasks.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Controls.Build.Tasks.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Controls.Core.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Controls.Core.Msi.x64 ...... Done
  Downloading Microsoft.Maui.Controls.Xaml.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Controls.Xaml.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Controls.Compatibility.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Controls.Compatibility.Msi.x64 ..... Done
  Downloading Microsoft.Maui.Essentials.Msi.x64 (10.0.0-preview.5.25306.5)
  Installing Microsoft.Maui.Essentials.Msi.x64 ..... Done

  Successfully updated workload(s): ios android maccatalyst maui-windows.

</details>

Visual Studio Code
- .NET MAUI 拡張機能
MAUIワークロードのインストール
```
dotnet workload install maui
```
MAUIワークロードの一覧
```
dotnet workload list
```

ビルド

dotnet build -t:Run -f net8.0-android -p:AndroidSdkDirectory=D:\AndroidSdk

Androidエミュレータ

D:\AndroidSdk\emulator\emulator.exe -avd Pixel_3a_API_34_extension_level_7_x86_64

履歴

ASP.NET MVC

ASP.NET MVC でCRUD

Azure

Blazor

Blazor WebAssembly アプリケーションプログラミング自習書
Getting Started with Blazor Scheduler Component
Blazor入門（日経ソフトウェア 2021年9月号）@2021/09/26 finished

C#

やさしいＣ＃第３版
- サポートページ
ノウハウ
- フリーアイコン
  - GO(https://www.flaticon.com/free-icon/go_652364)
  - GoBack(https://www.flaticon.com/free-icon/back-button_93634?term=back&page=1&position=6&page=1&position=6&related_id=93634&origin=search)
- アプリケーション構成ファイル
- ColorDialog
- Using custom fonts on a Label on Winforms

リソースファイル（XML形式）の解析

C#でのXML読み込み方法とは

<data name="LINESeedJP_TTF_Bd" type="System.Resources.ResXFileRef, System.Windows.Forms">
  <value>..\Fonts\LINESeedJP_TTF_Bd.ttf;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</data>
<data name="LINESeedJP_TTF_Rg" type="System.Resources.ResXFileRef, System.Windows.Forms">
  <value>..\Fonts\LINESeedJP_TTF_Rg.ttf;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</data>

解析結果例

C++

C11/C++17 - C++環境設定
- HelloWorld
- Learn C++ @2019/10/22 1.5 Introduction to iostream