//http://activedeveloperdk.codeplex.com/ //The MIT License (MIT) using System; using System.Drawing.Imaging; using System.Drawing; using System.IO; using System.Configuration; namespace ActiveDeveloper.Core.Utilities { public sealed class GDI { /// <summary> /// /// </summary> /// <param name="imagePathAndName"></param> /// <param name="newHeight"></param> /// <param name="newWidth"></param> /// <returns>Name of the created thumbnail. E.g: small_thumb.jpg</returns> public static string CreateThumbnail(string imagePathAndName, int newHeight, int newWidth ) { using( Bitmap bitmap = new Bitmap( imagePathAndName ) ) { Image thumbnail = bitmap.GetThumbnailImage( newWidth, newHeight, null, new IntPtr() ); FileInfo fileInfo = new FileInfo( imagePathAndName ); string thumbnailName = ConfigurationManager.AppSettings[ "ThumbnailAbr" ] + fileInfo.Name; thumbnail.Save( fileInfo.Directory.ToString() + Path.DirectorySeparatorChar + thumbnailName ); return thumbnailName; } } } }
File Stream
Get a 32×32 icon for a given file
//Microsoft Reciprocal License (Ms-RL)
//http://bmcommons.codeplex.com/license
using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Text;
namespace BlueMirror.Commons
{
public static class Win32
{
public const uint SHGFI_ICON = 0x100;
public const uint SHGFI_DISPLAYNAME = 0x200;
public const uint SHGFI_TYPENAME = 0x400;
public const uint SHGFI_ATTRIBUTES = 0x800;
public const uint SHGFI_ICONLOCATION = 0x1000;
public const uint SHGFI_EXETYPE = 0x2000;
public const uint SHGFI_SYSICONINDEX = 0x4000;
public const uint SHGFI_LINKOVERLAY = 0x8000;
public const uint SHGFI_SELECTED = 0x10000;
public const uint SHGFI_LARGEICON = 0x0;
public const uint SHGFI_SMALLICON = 0x1;
public const uint SHGFI_OPENICON = 0x2;
public const uint SHGFI_SHELLICONSIZE = 0x4;
public const uint SHGFI_PIDL = 0x8;
public const uint SHGFI_USEFILEATTRIBUTES = 0x10;
private const uint FILE_ATTRIBUTE_NORMAL = 0x80;
private const uint FILE_ATTRIBUTE_DIRECTORY = 0x10;
[DllImport(“comctl32.dll”)]
private static extern int ImageList_GetImageCount(int himl);
[DllImport(“comctl32.dll”)]
private static extern int ImageList_GetIcon(int HIMAGELIST, int ImgIndex, int hbmMask);
[DllImport(“shell32.dll”)]
private static extern int SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, int cbfileInfo, uint uFlags);
private struct SHFILEINFO
{
public IntPtr hIcon;
public int iIcon;
public int dwAttributes;
public string szDisplayName;
public string szTypeName;
}
public enum FileIconSize
{
Small, // 16×16 pixels
Large // 32×32 pixels
}
// get a 32×32 icon for a given file
public static Image GetFileIconAsImage(string fullpath) {
return GetFileIconAsImage(fullpath, FileIconSize.Large);
}
public static Image GetFileIconAsImage(string fullpath, FileIconSize size) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_USEFILEATTRIBUTES | SHGFI_ICON;
if (size == FileIconSize.Small) {
flags |= SHGFI_SMALLICON;
}
int retval = SHGetFileInfo(fullpath, FILE_ATTRIBUTE_NORMAL, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
if (retval == 0) {
return null; // error occured
}
System.Drawing.Icon icon = System.Drawing.Icon.FromHandle(info.hIcon);
//ImageList imglist = new ImageList();
//imglist.ImageSize = icon.Size;
//imglist.Images.Add(icon);
//Image image = imglist.Images[0];
//icon.Dispose();
//return image;
return icon.ToBitmap();
}
public static Icon GetFileIcon(string fullpath, FileIconSize size) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_USEFILEATTRIBUTES | SHGFI_ICON;
if (size == FileIconSize.Small) {
flags |= SHGFI_SMALLICON;
}
int retval = SHGetFileInfo(fullpath, FILE_ATTRIBUTE_NORMAL, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
if (retval == 0) {
return null; // error occured
}
System.Drawing.Icon icon = System.Drawing.Icon.FromHandle(info.hIcon);
return icon;
}
public static Icon GetFolderIcon(string fullPath, FileIconSize size) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_USEFILEATTRIBUTES | SHGFI_ICON;
if (size == FileIconSize.Small) {
flags |= SHGFI_SMALLICON;
}
int retval = SHGetFileInfo(fullPath, FILE_ATTRIBUTE_DIRECTORY, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
if (retval == 0) {
return null; // error occured
}
System.Drawing.Icon icon = System.Drawing.Icon.FromHandle(info.hIcon);
return icon;
}
public static int GetFileIconIndex(string fullpath, FileIconSize size) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX;
if (size == FileIconSize.Small) {
flags |= SHGFI_SMALLICON;
}
int retval = SHGetFileInfo(fullpath, FILE_ATTRIBUTE_NORMAL, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
if (retval == 0) {
return -1; // error
}
return info.iIcon;
}
public static int GetFolderIconIndex(string fullpath, FileIconSize size) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX;
if (size == FileIconSize.Small) {
flags |= SHGFI_SMALLICON;
}
int retval = SHGetFileInfo(fullpath, FILE_ATTRIBUTE_DIRECTORY, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
if (retval == 0) {
return -1; // error
}
return info.iIcon;
}
public static void UpdateSystemImageList(ImageList imageList, FileIconSize size, bool isSelected, Image deletedImage) {
SHFILEINFO info = new SHFILEINFO();
uint flags = SHGFI_SYSICONINDEX;
if (size == FileIconSize.Small)
flags |= SHGFI_SMALLICON;
if (isSelected == true)
flags |= SHGFI_OPENICON;
int imageHandle = SHGetFileInfo(“C:”, 0, ref info, System.Runtime.InteropServices.Marshal.SizeOf(info), flags);
int iconCount = ImageList_GetImageCount(imageHandle);
for (int i = imageList.Images.Count; i < iconCount; i++) {
IntPtr iconHandle = (IntPtr)ImageList_GetIcon(imageHandle, i, 0);
try {
if (iconHandle.ToInt64() != 0) {
Icon icon = Icon.FromHandle(iconHandle);
imageList.Images.Add(icon);
icon.Dispose();
DestroyIcon(iconHandle);
}
}
catch {
imageList.Images.Add(deletedImage);
}
}
}
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public extern static bool DestroyIcon(IntPtr handle);
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
public extern static int SendMessage(IntPtr hWnd, UInt32 Msg, int wParam, int lParam);
[DllImport("winmm.dll", EntryPoint = "mciSendStringA")]
extern static void mciSendStringA(string lpstrCommand, string lpstrReturnString, long uReturnLength, long hwndCallback);
public static void Eject(string driveLetter) {
string returnString = "";
mciSendStringA("set cdaudio!" + driveLetter + " door open", returnString, 0, 0);
}
public static void Close(string driveLetter) {
string returnString = "";
mciSendStringA("set cdaudio!" + driveLetter + " door closed", returnString, 0, 0);
}
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public extern static uint RegisterWindowMessage(string lpString);
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
public extern static void SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
public extern static int GetWindowLong(IntPtr hWnd, int nIndex);
// Constants and structs defined in DBT.h
public const int WM_DEVICECHANGE = 0x0219;
public const int DBT_DEVICEARRIVAL = 0x8000;
public const int DBT_DEVICEREMOVECOMPLETE = 0x8004;
public const int DBT_DEVNODES_CHANGED = 0x0007;
public enum DeviceType : int
{
OEM = 0x00000000, //DBT_DEVTYP_OEM
DeviceNode = 0x00000001, //DBT_DEVTYP_DEVNODE
Volume = 0x00000002, //DBT_DEVTYP_VOLUME
Port = 0x00000003, //DBT_DEVTYP_PORT
Net = 0x00000004 //DBT_DEVTYP_NET
}
public struct BroadcastHeader //_DEV_BROADCAST_HDR
{
public int Size; //dbch_size
public DeviceType Type; //dbch_devicetype
public int Reserved; //dbch_reserved
}
public struct Volume //_DEV_BROADCAST_VOLUME
{
public int Size; //dbcv_size
public DeviceType Type; //dbcv_devicetype
public int Reserved; //dbcv_reserved
public int Mask; //dbcv_unitmask
public int Flags; //dbcv_flags
}
[DllImport("kernel32.dll")]
public extern static long GetVolumeInformation(string PathName, StringBuilder VolumeNameBuffer, int VolumeNameSize, ref uint VolumeSerialNumber, ref uint MaximumComponentLength, ref uint FileSystemFlags, StringBuilder FileSystemNameBuffer, int FileSystemNameSize);
public static string GetVolumeSerialNumber(string drive) {
uint serNum = 0;
uint maxCompLen = 0;
StringBuilder volLabel = new StringBuilder(256);
uint volFlags = 0;
StringBuilder fileSystemName = new StringBuilder(256);
/* long ret = */ GetVolumeInformation(drive, volLabel, volLabel.Capacity, ref serNum, ref maxCompLen, ref volFlags, fileSystemName, fileSystemName.Capacity);
string serialNumberAsString = serNum.ToString("X");
serialNumberAsString.PadLeft(8, '0');
serialNumberAsString = serialNumberAsString.Substring(0, 4) + "-" + serialNumberAsString.Substring(4);
return serialNumberAsString;
}
// List View
public const int LVS_EX_DOUBLEBUFFER = 0x10000;
public const int LVM_FIRST = 0x1000;
public const int LVM_SETITEMSTATE = LVM_FIRST + 43;
public const int LVM_SETEXTENDEDLISTVIEWSTYLE = LVM_FIRST + 54;
public const int LVM_GETEXTENDEDLISTVIEWSTYLE = LVM_FIRST + 55;
public const int LVM_SETCOLUMNORDERARRAY = LVM_FIRST + 58;
public const int LVM_GETCOLUMNORDERARRAY = LVM_FIRST + 59;
public const int LVIF_STATE = 0x0008;
public const int LVIS_SELECTED = 0x0002;
public const int LVIS_FOCUSED = 0x0001;
[StructLayout(LayoutKind.Sequential)]
public struct LVITEM
{
public uint mask;
public int iItem;
public int iSubItem;
public uint state;
public uint stateMask;
public string pszText;
public int cchTextMax;
public int iImage;
public int lParam;
public int iIndent;
public int iGroupId;
public uint cColumns;
public uint puColumns;
}
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
public extern static int SendMessage(IntPtr hWnd, UInt32 Msg, int wParam, ref LVITEM lvItem);
// Tree View Styles
public const int TV_FIRST = 0x1100;
public const int TVM_SETEXTENDEDSTYLE = TV_FIRST + 44;
public const int TVM_GETEXTENDEDSTYLE = TV_FIRST + 45;
public const int TVM_SETAUTOSCROLLINFO = TV_FIRST + 59;
public const int TVS_NOHSCROLL = 0x8000;
public const int TVS_EX_MULTISELECT = 0x0002;
public const int TVS_EX_DOUBLEBUFFER = 0x0004;
public const int TVS_EX_AUTOHSCROLL = 0x0020;
public const int TVS_EX_FADEINOUTEXPANDOS = 0x0040;
public const int GWL_STYLE = -16;
[DllImport("uxtheme.dll", CharSet = CharSet.Unicode)]
public extern static int SetWindowTheme(IntPtr hWnd, string pszSubAppName, string pszSubIdList);
}
}
[/csharp]
Copy from one file to another file
// Copyright (c) Microsoft Corporation. All rights reserved. // This file is best viewed using outline mode (Ctrl-M Ctrl-O) // // This program uses code hyperlinks available as part of the HyperAddin Visual Studio plug-in. // It is available from http://www.codeplex.com/hyperAddin // using System; using System.IO; namespace Utilities { static class StreamUtilities { public static void CopyFromFile(string fromFilePath, Stream toStream) { using (Stream fromStream = File.OpenRead(fromFilePath)) CopyStream(fromStream, toStream); } public static void CopyToFile(Stream fromStream, string toFilePath) { using (Stream toStream = File.Create(toFilePath)) CopyStream(fromStream, toStream); } /// <summary> /// CopyStream simply copies 'fromStream' to 'toStream' /// </summary> public static int CopyStream(Stream fromStream, Stream toStream) { byte[] buffer = new byte[8192]; int totalBytes = 0; for (; ; ) { int count = fromStream.Read(buffer, 0, buffer.Length); if (count == 0) break; toStream.Write(buffer, 0, count); totalBytes += count; } return totalBytes; } }; }
return true if the filename has the given attribute set
// crudwork // Copyright 2004 by Steve T. Pham (http://www.crudwork.com) // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with This program. If not, see <http://www.gnu.org/licenses/>. using System; using System.Collections.Generic; using System.IO; using System.Text; using System.CodeDom.Compiler; using System.Text.RegularExpressions; namespace crudwork.Utilities { /// <summary> /// File Utility /// </summary> public static class FileUtil { #region HasAttribute /// <summary> /// return true if the filename has the given attribute set /// </summary> /// <param name="filename"></param> /// <param name="attr"></param> /// <returns></returns> public static bool HasAttribute(string filename, FileAttributes attr) { return (File.GetAttributes(filename) & attr) == attr; } #endregion } }
Get Files / Get Folders methods
// crudwork
// Copyright 2004 by Steve T. Pham (http://www.crudwork.com)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with This program. If not, see
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.CodeDom.Compiler;
using System.Text.RegularExpressions;
namespace crudwork.Utilities
{
///
///
public static class FileUtil
{
#region Enums
///
///
public enum FileOrderType
{
///
///
None = 0,
///
///
Filename = 1,
///
///
Extension = 2,
///
///
Size = 3,
///
///
LastWriteTime = 4,
///
///
CreationDate = 5,
}
#endregion
#region GetFiles / GetFolders methods
///
///
///
///
///
public static string[] MakeRelativePath(string[] fileList, string path)
{
List
for (int i = 0; i < fileList.Length; i++)
{
string file = fileList[i];
results.Add(file.Replace(path + "", ""));
}
return results.ToArray();
}
///
///
///
///
///
public static string[] OrderFileBy(string[] fileList, FileOrderType fileOrderType)
{
string[] orderKey = new string[fileList.Length];
string[] orderVal = new string[fileList.Length];
//int maskLength = StringUtil.MaxLength(fileList);
int maskLength = 100;
string maskFormat = String.Format(@”{{0,{0}}}”, maskLength);
for (int i = 0; i < fileList.Length; i++) { string filename = fileList[i]; string orderByKey; if (!File.Exists(filename)) throw new FileNotFoundException(filename); FileInfo fi = new FileInfo(filename); switch (fileOrderType) { case FileOrderType.None: orderByKey = ""; break; case FileOrderType.Filename: { orderByKey = String.Format(maskFormat, fi.Name); } break; case FileOrderType.LastWriteTime: { DateTime dt = fi.LastWriteTime; orderByKey = String.Format("{0:0000}{1:00}{2:00}{3:00}{4:00}{5:00}{6:000}", dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, dt.Millisecond ); } break; default: throw new ArgumentOutOfRangeException("not supported: " + fileOrderType); } orderKey[i] = orderByKey; orderVal[i] = fileList[i]; } if (fileOrderType != FileOrderType.None) { Array.Sort(orderKey, orderVal); } return orderVal; } #endregion } } [/csharp]
Read the given filename and yield return a string
// crudwork // Copyright 2004 by Steve T. Pham (http://www.crudwork.com) // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with This program. If not, see <http://www.gnu.org/licenses/>. using System; using System.Collections.Generic; using System.IO; using System.Text; using System.CodeDom.Compiler; using System.Text.RegularExpressions; namespace crudwork.Utilities { /// <summary> /// File Utility /// </summary> public static class FileUtil { #region ReadFile methods ///// <summary> ///// Read content of file and store into a string array. ///// </summary> ///// <param name="filename"></param> ///// <returns></returns> //public static string[] ReadFile(string filename) //{ // try // { // List<String> results = new List<string>(); // using (StreamReader r = new StreamReader(filename)) // { // while (!r.EndOfStream) // { // results.Add(r.ReadLine()); // } // r.Close(); // } // return results.ToArray(); // } // catch (Exception ex) // { // DebuggerTool.AddData(ex, "filename", filename); // throw; // } //} /// <summary> /// Read the given filename and yield return a string /// </summary> /// <param name="filename"></param> /// <returns></returns> public static IEnumerable<string> ReadFile(string filename) { using (StreamReader r = new StreamReader(filename)) { while (!r.EndOfStream) { string line = r.ReadLine(); yield return line; } r.Close(); } yield break; } ///// <summary> ///// Read the given filename and return a byte array ///// </summary> ///// <param name="filename"></param> ///// <param name="bufSize"></param> ///// <returns></returns> //public static byte[] ReadFile(string filename, int bufSize) //{ // StringBuilder s = new StringBuilder(); // List<byte> results = null; // using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read, bufSize)) // using (BinaryReader r = new BinaryReader(fs)) // { // results = new List<byte>((int)fs.Length); // byte[] readChar = null; // do // { // readChar = r.ReadBytes(bufSize); // results.AddRange(readChar); // } while ((readChar != null) && (readChar.Length > 0)); // r.Close(); // fs.Close(); // } // return results.ToArray(); //} /// <summary> /// Read the filename and yield return a byte array /// </summary> /// <param name="filename"></param> /// <param name="bufSize"></param> /// <returns></returns> public static IEnumerable<byte[]> ReadFile(string filename, int bufSize) { return ReadFile(filename, bufSize, 0); } /// <summary> /// Read the filename, start a the specified position, and yield return a byte array /// </summary> /// <param name="filename">type input file</param> /// <param name="bufSize">this bufSize will be multiple by 10</param> /// <param name="startAtPosition">set the starting position</param> /// <returns></returns> public static IEnumerable<byte[]> ReadFile(string filename, int bufSize, int startAtPosition) { using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read, bufSize * 10)) using (BinaryReader r = new BinaryReader(fs)) { fs.Position = startAtPosition; byte[] readChar = null; do { readChar = r.ReadBytes(bufSize); if (readChar != null) yield return readChar; } while ((readChar != null) && (readChar.Length > 0)); r.Close(); fs.Close(); } yield break; } #endregion } }
Copy a file to a different filename, with cleaning null characters.
// crudwork // Copyright 2004 by Steve T. Pham (http://www.crudwork.com) // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with This program. If not, see <http://www.gnu.org/licenses/>. using System; using System.Collections.Generic; using System.IO; using System.Text; using System.CodeDom.Compiler; using System.Text.RegularExpressions; namespace crudwork.Utilities { /// <summary> /// File Utility /// </summary> public static class FileUtil { #region CleanNull /// <summary> /// Copy a file to a different filename, with cleaning null characters. /// </summary> /// <param name="filename"></param> /// <param name="outfile"></param> public static void CleanNull(string filename, string outfile) { try { if (File.Exists(outfile)) File.Delete(outfile); using (StreamReader sr = new StreamReader(filename)) using (BinaryReader br = new BinaryReader(sr.BaseStream)) using (StreamWriter sw = new StreamWriter(outfile)) using (BinaryWriter bw = new BinaryWriter(sw.BaseStream)) { while (br.PeekChar() != -1) { byte b = br.ReadByte(); // skip NULL character if (b == 0) continue; bw.Write(b); } sw.Flush(); sw.Close(); sr.Close(); } } catch (Exception ex) { throw; } } #endregion } }