c# Taskbar gizleme kodu

c# ile alt barı gizleyebilirsiniz.Taskbar gizleme hide işlemi için kodlar...
using System; using System.Runtime.InteropServices; public static class Taskbar { [DllImport("user32.dll")] private static extern int FindWindow(string className, string windowText); [DllImport("user32.dll")] private static extern int ShowWindow(int hwnd, int command); [DllImport("user32.dll")] public static extern int FindWindowEx(int parentHandle, int childAfter, string className, int windowTitle); [DllImport("user32.dll")] private static extern int GetDesktopWindow(); private const int SW_HIDE = 0; private const int SW_SHOW = 1; protected static int Handle { get { return FindWindow("Shell_TrayWnd", ""); } } protected static int HandleOfStartButton { get { int handleOfDesktop = GetDesktopWindow(); int handleOfStartButton = FindWindowEx(handleOfDesktop, 0, "button", 0); return handleOfStartButton; } } public static void Show() { ShowWindow(Handle, SW_SHOW); ShowWindow(HandleOfStartButton, SW_SHOW); } public static void Hide() { ShowWindow(Handle, SW_HIDE); ShowWindow(HandleOfStartButton, SW_HIDE); } }

C# dizin kopyalama işlemi

  string sourcePath = @"C:\Users\Public\TestFolder";
        string targetPath =  @"C:\Users\Public\TestFolder\SubDir";

if (System.IO.Directory.Exists(sourcePath))
        {
            string[] files = System.IO.Directory.GetFiles(sourcePath);

            foreach (string s in files)
            {
                fileName = System.IO.Path.GetFileName(s);
                destFile = System.IO.Path.Combine(targetPath, fileName);
                System.IO.File.Copy(s, destFile, true);
            }
        }

C# açık olan dosyaları kopyalama

using(var inputFile = new FileStream(
         "oldFile.txt", 
         FileMode.Open, 
         FileAccess.Read, 
         FileShare.ReadWrite))
     {
        using (var outputFile = new FileStream("newFile.txt", FileMode.Create))
        { 
            var buffer = new byte[0x10000];
            int bytes;

            while ((bytes = inputFile.Read(buffer, 0, buffer.Length)) > 0) 
            {
                outputFile.Write(buffer, 0, bytes);
            }
        }
    }

c# hızlı resim işleme

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private bool CompareBitmaps(Image left, Image right) {     if (object.Equals(left, right))         return true;     if (left == null || right == null)         return false;     if (!left.Size.Equals(right.Size) || !left.PixelFormat.Equals(right.PixelFormat))         return false;       Bitmap leftBitmap = left as Bitmap;     Bitmap rightBitmap = right as Bitmap;     if (leftBitmap == null || rightBitmap == null)         return true;       #region Code taking more time for comparison       for (int col = 0; col < left.Width; col++)     {         for (int row = 0; row < left.Height; row++)         {             if (!leftBitmap.GetPixel(col, row).Equals(rightBitmap.GetPixel(col, row)))                 return false;        }     }       #endregion           return true; }

1.5MB resim 2.5 saniye


 40 ms  Bitmap.LockBits() and Bitmap.UnlockBits() 

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private bool CompareBitmaps(Image left, Image right) {     if (object.Equals(left, right))         return true;     if (left == null || right == null)         return false;     if (!left.Size.Equals(right.Size) || !left.PixelFormat.Equals(right.PixelFormat))         return false;       Bitmap leftBitmap = left as Bitmap;     Bitmap rightBitmap = right as Bitmap;     if (leftBitmap == null || rightBitmap == null)         return true;       #region Optimized code for performance       int bytes = left.Width * left.Height * (Image.GetPixelFormatSize(left.PixelFormat) / 8);       bool result = true;     byte[] b1bytes = new byte[bytes];     byte[] b2bytes = new byte[bytes];       BitmapData bmd1 = leftBitmap.LockBits(new Rectangle(0, 0, leftBitmap.Width - 1, leftBitmap.Height - 1), ImageLockMode.ReadOnly, leftBitmap.PixelFormat);     BitmapData bmd2 = rightBitmap.LockBits(new Rectangle(0, 0, rightBitmap.Width - 1, rightBitmap.Height - 1), ImageLockMode.ReadOnly, rightBitmap.PixelFormat);       Marshal.Copy(bmd1.Scan0, b1bytes, 0, bytes);     Marshal.Copy(bmd2.Scan0, b2bytes, 0, bytes);       for (int n = 0; n <= bytes - 1; n++)     {         if (b1bytes[n] != b2bytes[n])         {             result = false;             break;         }     }       leftBitmap.UnlockBits(bmd1);     rightBitmap.UnlockBits(bmd2);       #endregion       return result; }