Add files via upload

Author: Beelink

QuickLibrary/DownloadForm.Designer.cs

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+using System;
+using System.ComponentModel;
+using System.Windows.Forms;
+using System.Net;
+using System.Diagnostics;
+using System.Drawing;
+using System.IO;
+using Microsoft.Win32;
+
+namespace QuickLibrary
+{
+    public partial class DownloadForm : Form
+    {
+        private string fileName;
+        private WebClient wc;
+        private string url;
+
+        public DownloadForm(string url, bool darkMode)
+        {
+            if (darkMode)
+            {
+                this.HandleCreated += new EventHandler(ThemeManager.formHandleCreated);
+            }
+
+            this.url = url;
+            fileName = Path.Combine(GetDownloadFolderPath(), System.IO.Path.GetFileName(url));
+
+            InitializeComponent();
+
+            if (darkMode)
+            {
+                this.BackColor = ThemeManager.DarkBackColor;
+                this.ForeColor = Color.White;
+
+                cancelButton.BackColor = ThemeManager.DarkSecondColor;
+                updateButton.BackColor = ThemeManager.DarkSecondColor;
+
+                manuallyLink.LinkColor = ThemeManager.AccentColor;
+            }
+
+            wc = new WebClient();
+
+            wc.DownloadProgressChanged += wc_DownloadProgressChanged;
+            wc.DownloadFileCompleted += wc_DownloadFileCompleted;
+
+            wc.DownloadFileAsync(new Uri(url), fileName);
+        }
+
+        private string GetDownloadFolderPath()
+        {
+            try
+            {
+                return Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders", "{374DE290-123F-4565-9164-39C4925E467B}", String.Empty).ToString();
+            }
+            catch
+            {
+                return "";
+            }
+        }
+
+        private void wc_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
+        {
+            progressBar1.Value = e.ProgressPercentage;
+            statusLabel.Text = string.Format("Downloading... {0}% ({1} / {2})", e.ProgressPercentage, BytesToSize(e.BytesReceived), BytesToSize(e.TotalBytesToReceive));
+        }
+
+        private void wc_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
+        {
+            if (e.Error != null)
+            {
+                statusLabel.Text = "Update failed!";
+            }
+            else if (e.Cancelled)
+            {
+                statusLabel.Text = "Update cancelled!";
+            }
+            else
+            {
+                updateButton.Visible = true;
+                statusLabel.Text = "Download finished!";
+            }
+        }
+
+        private void updateButton_Click(object sender, EventArgs e)
+        {
+            Process.Start(fileName);
+            this.Close();
+            this.Owner.Close();
+        }
+
+        private void cancelButton_Click(object sender, EventArgs e)
+        {
+            wc.CancelAsync();
+        }
+
+        private void manuallyLink_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
+        {
+            wc.CancelAsync();
+            Process.Start(url);
+            this.Close();
+        }
+
+        private void DownloadForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            wc.CancelAsync();
+        }
+
+        private string BytesToSize(double len)
+        {
+            string[] sizes = { "B", "KB", "MB", "GB", "TB" };
+            int order = 0;
+            while (len >= 1024 && order < sizes.Length - 1)
+            {
+                order++;
+                len = len / 1024;
+            }
+
+            return String.Format("{0:0.##} {1}", len, sizes[order]);
+        }
+    }
+}