Sonic.exe - Download [best]

var progress = new Progress<(long downloaded, long? total)>(p => if (p.total.HasValue) double percent = (double)p.downloaded / p.total.Value * 100; progressBar.Value = (int)percent; lblStatus.Text = $"Downloading… percent:F1% (p.downloaded / 1024:#,##0 KB)"; else lblStatus.Text = $"Downloading… p.downloaded / 1024:#,##0 KB"; );

// Verify hash (optional – pass EXPECTED_SHA256 if you have it) await SonicDownloader.VerifyHashAsync(savePath, EXPECTED_SHA256); sonic.exe download

public partial class MainForm : Form