Winify – Blame information for rev 30

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1 office 1 using System;
2 using System.Collections.Generic;
30 office 3 using System.Diagnostics;
1 office 4 using System.Drawing;
5 using System.IO;
6 using System.Reflection;
30 office 7 using System.Threading;
1 office 8 using System.Threading.Tasks;
9 using System.Windows.Forms;
10 using Microsoft.Win32;
11  
12 namespace Winify.Utilities
13 {
14 public static class Miscellaneous
15 {
16 #region Public Methods
17  
30 office 18 public static bool LaunchOnBootSet(bool enable)
1 office 19 {
30 office 20 using var key = Registry.CurrentUser.OpenSubKey
21 ("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
1 office 22  
30 office 23 if (key == null) return false;
1 office 24  
30 office 25 switch (enable)
1 office 26 {
30 office 27 case true:
28 key.SetValue(Constants.AssemblyName, Assembly.GetEntryAssembly().Location);
29 break;
30 default:
31 key.DeleteValue(Constants.AssemblyName, false);
32 break;
1 office 33 }
34  
35 return true;
36 }
37  
38 public static bool LaunchOnBootGet()
39 {
30 office 40 using var key = Registry.CurrentUser.OpenSubKey
41 ("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
42  
43 return key?.GetValue(Constants.AssemblyName) != null;
1 office 44 }
45  
46 /// <summary>
47 /// Enable double buffering for an arbitrary control.
48 /// </summary>
49 /// <param name="control">the control to enable double buffering for</param>
50 /// <returns>true on success</returns>
51 /// <remarks>Do not enable double buffering on RDP: https://devblogs.microsoft.com/oldnewthing/20060103-12/?p=32793</remarks>
30 office 52 public static void SetDoubleBuffered(this Control control)
1 office 53 {
30 office 54 // Double buffering can make DGV slow in remote desktop
55 if (!SystemInformation.TerminalServerSession)
56 {
57 var dgvType = control.GetType();
58 var pi = dgvType.GetProperty("DoubleBuffered",
59 BindingFlags.Instance | BindingFlags.NonPublic);
60 pi.SetValue(control, true, null);
61 }
1 office 62 }
63  
64 public static async Task<Icon> CreateIconFromResource(string resource)
65 {
66 var iconBytes = await LoadResource(resource);
30 office 67 using var iconMemoryStream = new MemoryStream(iconBytes);
68 var bitmap = (Bitmap)Image.FromStream(iconMemoryStream);
69 var bitmapIntPtr = bitmap.GetHicon();
70 var icon = Icon.FromHandle(bitmapIntPtr);
71 return icon;
1 office 72 }
73  
74 public static async Task<byte[]> LoadResource(string resource)
75 {
76 var assembly = Assembly.GetExecutingAssembly();
77  
30 office 78 using var manifestResourceStream = assembly.GetManifestResourceStream(resource);
1 office 79  
30 office 80 if (manifestResourceStream == null) return null;
1 office 81  
30 office 82 var memoryStream = new MemoryStream();
1 office 83  
30 office 84 await manifestResourceStream.CopyToAsync(memoryStream);
1 office 85  
30 office 86 memoryStream.Position = 0L;
87  
88 return memoryStream.ToArray();
1 office 89 }
90  
91 public static void InvokeIfRequired<T>(this T control, Action<T> action) where T : Control
92 {
93 if (control.InvokeRequired)
94 {
28 office 95 control.BeginInvoke((MethodInvoker)delegate { action(control); });
1 office 96 return;
97 }
98  
99 action(control);
100 }
101  
30 office 102 /// <summary>
103 /// Attempts to access a file within <see cref="timeout" /> milliseconds by retrying to access the file every
104 /// <see cref="retry" /> milliseconds.
105 /// </summary>
106 /// <param name="path">the path to the file</param>
107 /// <param name="mode">the file mode used to access the file</param>
108 /// <param name="access">the file access to use</param>
109 /// <param name="share">the file share to use</param>
110 /// <param name="cancellationToken">a cancellation token</param>
111 /// <param name="retry">the amount of milliseconds to retry between accesses to the file</param>
112 /// <param name="timeout">the amount of time in milliseconds to attempt and access the file</param>
113 /// <returns>a file stream if the file could be accessed within the allotted time</returns>
114 public static async Task<FileStream> GetFileStream(string path, FileMode mode, FileAccess access,
115 FileShare share, CancellationToken cancellationToken,
116 int retry = 1000, int timeout = 60000)
1 office 117 {
30 office 118 var time = Stopwatch.StartNew();
1 office 119  
30 office 120 while (time.ElapsedMilliseconds < timeout && !cancellationToken.IsCancellationRequested)
1 office 121 {
30 office 122 try
1 office 123 {
30 office 124 return new FileStream(path, mode, access, share);
125 }
126 catch (IOException e)
127 {
128 // access error
129 if (e.HResult != -2147024864) throw;
130 }
1 office 131  
30 office 132 await Task.Delay(retry, cancellationToken);
133 }
1 office 134  
30 office 135 throw new TimeoutException($"Failed to get a access to {path} within {timeout}ms.");
1 office 136 }
137  
14 office 138 /// <summary>
139 /// Returns the machine GUID.
140 /// </summary>
141 /// <returns>the GUID of the machine</returns>
142 /// <remarks>https://stackoverflow.com/questions/2333149/how-to-fast-get-hardware-id-in-c</remarks>
143 public static string GetMachineGuid()
144 {
145 var location = @"SOFTWARE\Microsoft\Cryptography";
146 var name = "MachineGuid";
147  
148 using (var localMachineX64View =
28 office 149 RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64))
14 office 150 {
151 using (var rk = localMachineX64View.OpenSubKey(location))
152 {
153 if (rk == null)
154 throw new KeyNotFoundException(
155 string.Format("Key Not Found: {0}", location));
156  
157 var machineGuid = rk.GetValue(name);
158 if (machineGuid == null)
159 throw new IndexOutOfRangeException(
160 string.Format("Index Not Found: {0}", name));
161  
162 return machineGuid.ToString();
163 }
164 }
165 }
166  
1 office 167 #endregion
168 }
169 }