Sonic.exe | Download [better]

private async void BtnDownload_Click(object sender, EventArgs e) btnDownload.Enabled = false; lblStatus.Text = "Starting download…";

public partial class MainForm : Form

try await SonicDownloader.DownloadAsync( DOWNLOAD_URL, savePath, progress, CancellationToken.None); sonic.exe download

await using var contentStream = await response.Content.ReadAsStreamAsync(ct); await using var fileStream = new FileStream( destinationFilePath, existingBytes > 0 ? FileMode.Append : FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 81920, useAsync: true); private async void BtnDownload_Click(object sender

if (!string.IsNullOrWhiteSpace(expectedHash) && !computed.Equals(expectedHash, StringComparison.OrdinalIgnoreCase)) throw new InvalidDataException( $"Hash mismatch! Expected expectedHash, got computed."); EventArgs e) btnDownload.Enabled = false

// 4️⃣ Verify SHA‑256 (optional but strongly recommended) await VerifyHashAsync(destinationFilePath, expectedHash: null);