---
lang: ja-jp
breaks: true
---
# Blazor 各種実行環境の取得 2024-01-25

## 参考資料

> `ASP.NET Core` Blazor のレンダー モード
> https://learn.microsoft.com/ja-jp/aspnet/core/blazor/components/render-modes?view=aspnetcore-8.0

> Blazor - サーバーで実行されているのかブラウザで実行されているのかを判別する方法
> https://qiita.com/jsakamoto/items/8999d0322c64f265369b

## 動作検証

### *.razor

<hr />
<section>
    <h2>Blazor実行時環境</h2>

    <dl>
        <dt>OperatingSystem.IsBrowser()</dt>
        <dd>@OperatingSystem.IsBrowser()</dd>

        <dt>OperatingSystem.IsWasi()</dt>
        <dd>@OperatingSystem.IsWasi()</dd>

        <dt>Framework Description</dt>
        <dd>@System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription</dd>

        <dt>Process Architecture</dt>
        <dd>@System.Runtime.InteropServices.RuntimeInformation.ProcessArchitecture</dd>

        <dt>OS Architecture</dt>
        <dd>@System.Runtime.InteropServices.RuntimeInformation.OSArchitecture</dd>

        <dt>OS Description</dt>
        <dd>@System.Runtime.InteropServices.RuntimeInformation.OSDescription</dd>

        <dt>OS Platform</dt>
        <dd>@Environment.OSVersion.Platform</dd>

        <dt>OS Version</dt>
        <dd>@Environment.OSVersion.Version</dd>

        <dt>OS Version ServicePack</dt>
        <dd>@Environment.OSVersion.ServicePack</dd>
    </dl>
</section>

### プロジェクト作成


## 実行結果

### Home.razor

Blazor実行時環境
OperatingSystem.IsBrowser()
False
OperatingSystem.IsWasi()
False
Framework Description
.NET 8.0.1
Process Architecture
X64
OS Architecture
X64
OS Description
Microsoft Windows 10.0.22631
OS Platform
Win32NT
OS Version
10.0.22631.0
OS Version ServicePack

### Weather.razor

Blazor実行時環境
OperatingSystem.IsBrowser()
False
OperatingSystem.IsWasi()
False
Framework Description
.NET 8.0.1
Process Architecture
X64
OS Architecture
X64
OS Description
Microsoft Windows 10.0.22631
OS Platform
Win32NT
OS Version
10.0.22631.0
OS Version ServicePack

### Counter.razor

Blazor実行時環境
OperatingSystem.IsBrowser()
True
OperatingSystem.IsWasi()
False
Framework Description
.NET 8.0.1
Process Architecture
Wasm
OS Architecture
Wasm
OS Description
Browser
OS Platform
Other
OS Version
1.0.0.0
OS Version ServicePack

###### tags: `Blazor` `実行環境` `レンダーモード`