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C# / .NET SDK

1 min read

C# / .NET SDK #

Update client for .NET applications using HttpClient.

Files #

sdk/csharp/DmsiUpdateClient.cs
sdk/csharp/examples/WpfExample.cs

Requirements #

.NET Framework 4.6+ or .NET Core 2.0+
System.Net.Http.HttpClient
Newtonsoft.Json or System.Text.Json

Basic Usage #

using DmsiUpdateServer;
var client = new DmsiUpdateClient(
    apiUrl: "https://yoursite.com",
    productId: 42
);
// Check for update
var result = await client.CheckUpdateAsync(
    licenseKey: "XXXX-XXXX-XXXX-XXXX",
    currentVersion: "1.0.0",
    channel: "stable"
);
if (result != null && result.UpdateAvailable)
{
    Console.WriteLine($"Update available: {result.Version}");
    // result.DownloadUrl contains the signed download URL
}

Available Methods #

Method	Description
`CheckUpdateAsync(licenseKey, currentVersion, channel, environment)`	Check for available update
`GetVersionInfoAsync(licenseKey, version)`	Get metadata for a specific version
`ListVersionsAsync(licenseKey, channel)`	List available versions
`GetStatusAsync()`	Server health check
`DownloadAsync(url, destinationPath, expectedHash, progressCallback)`	Download file with progress

WPF Integration #

See sdk/csharp/examples/WpfExample.cs for a complete WPF example showing:

Background Task update checking on application startup
Progress dialog during download
Hash verification after download
Application restart after update

Download with Progress #

var success = await client.DownloadAsync(
    url: result.DownloadUrl,
    destinationPath: Path.GetTempPath() + "update.zip",
    expectedHash: result.FileHash,
    progressCallback: (percent) => {
        // Update progress bar
        Dispatcher.Invoke(() => progressBar.Value = percent);
    }
);

Related Topics #

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