本文整理汇总了C#中System.IO.FileStream.Read方法的典型用法代码示例。如果您正苦于以下问题：C# System.IO.FileStream.Read方法的具体用法？C# System.IO.FileStream.Read怎么用？C# System.IO.FileStream.Read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.FileStream的用法示例。
在下文中一共展示了System.IO.FileStream.Read方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: LoadImage
public static BitmapImage LoadImage(string path)
{
try
{
var fs = new System.IO.FileStream(path, System.IO.FileMode.Open, System.IO.FileAccess.Read);
fs.Seek(0, System.IO.SeekOrigin.Begin);
byte[] bytes = new byte[fs.Length];
fs.Read(bytes, 0, (int)fs.Length);
fs.Close();
var ms = new System.IO.MemoryStream(bytes);
ms.Position = 0;
var image = new BitmapImage();
image.BeginInit();
image.CreateOptions = BitmapCreateOptions.IgnoreColorProfile;
image.CacheOption = BitmapCacheOption.OnLoad;
image.StreamSource = ms;
image.EndInit();
return image;
}
catch (Exception ex)
{
}
return null;
}示例2: readFile
static byte[] readFile(string filename)
{
//let readFile filename =
//// let f = new IO.BufferedStream(new IO.FileStream(filename, IO.FileMode.Open, System.IO.FileAccess.Read))
// let f = new IO.FileStream(filename, IO.FileMode.Open, System.IO.FileAccess.Read)
// let fileSize = f.Length |> int
// let buf = Array.create(fileSize) 0uy // 符号なし 8 ビット自然数?? http://msdn.microsoft.com/ja-jp/library/dd233193.aspx
// let mutable remain = fileSize;
// let mutable bufPos = 0;
// while remain > 0 do
// let readSize = f.Read(buf, bufPos, System.Math.Min(1024, remain))
// bufPos <- bufPos + readSize
// remain <- remain - readSize
// buf
var f = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read);
var fileSize = (int)f.Length;
var buf = new byte[fileSize];
int bufPos = 0;
while (fileSize > 0) {
int readSize = f.Read(buf, bufPos, System.Math.Min(1024, fileSize));
bufPos += readSize;
fileSize -= readSize;
}
return buf;
}示例3: RetrieveLinkerTimestamp
private DateTime RetrieveLinkerTimestamp()
{
string filePath = System.Reflection.Assembly.GetCallingAssembly().Location;
const int c_PeHeaderOffset = 60;
const int c_LinkerTimestampOffset = 8;
byte[] b = new byte[2048];
System.IO.Stream s = null;
try
{
s = new System.IO.FileStream(filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
s.Read(b, 0, 2048);
}
finally
{
if (s != null)
{
s.Close();
}
}
int i = System.BitConverter.ToInt32(b, c_PeHeaderOffset);
int secondsSince1970 = System.BitConverter.ToInt32(b, i + c_LinkerTimestampOffset);
DateTime dt = new DateTime(1970, 1, 1, 0, 0, 0);
dt = dt.AddSeconds(secondsSince1970);
dt = dt.AddHours(TimeZone.CurrentTimeZone.GetUtcOffset(dt).Hours);
return dt;
}示例4: GetBulidTime
public static DateTime GetBulidTime()
{
var filePath = System.Reflection.Assembly.GetCallingAssembly().Location;
const int cPeHeaderOffset = 60;
const int cLinkerTimestampOffset = 8;
var b = new byte[2048];
System.IO.Stream s = null;
try
{
s = new System.IO.FileStream(filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
s.Read(b, 0, 2048);
}
finally
{
if (s != null)
{
s.Close();
}
}
var i = BitConverter.ToInt32(b, cPeHeaderOffset);
var secondsSince1970 = BitConverter.ToInt32(b, i + cLinkerTimestampOffset);
var dt = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
dt = dt.AddSeconds(secondsSince1970);
dt = dt.ToLocalTime();
return dt;
}示例5: OtherWaysToGetReport
private static void OtherWaysToGetReport()
{
string report = @"d:\bla.rdl";
// string lalal = System.IO.File.ReadAllText(report);
// byte[] foo = System.Text.Encoding.UTF8.GetBytes(lalal);
// byte[] foo = System.IO.File.ReadAllBytes(report);
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
using (System.IO.FileStream file = new System.IO.FileStream(report, System.IO.FileMode.Open, System.IO.FileAccess.Read))
{
byte[] bytes = new byte[file.Length];
file.Read(bytes, 0, (int)file.Length);
ms.Write(bytes, 0, (int)file.Length);
ms.Flush();
ms.Position = 0;
}
using (System.IO.Stream stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("resource"))
{
using (System.IO.TextReader reader = new System.IO.StreamReader(ms))
{
// rv.LocalReport.LoadReportDefinition(reader);
}
}
using (System.IO.TextReader reader = System.IO.File.OpenText(report))
{
// rv.LocalReport.LoadReportDefinition(reader);
}
}
}示例6: CompressOrDecompressFile
/// <summary>
/// Компрессия или декомпрессия файла
/// </summary>
/// <param name="fromFile">Исходный файл для компрессии или декомпрессии</param>
/// <param name="toFile">Целевой файл</param>
/// <param name="compressionMode">Указывает на компрессию или декомпрессию</param>
private static void CompressOrDecompressFile(string fromFile, string toFile, System.IO.Compression.CompressionMode compressionMode)
{
System.IO.FileStream toFs = null;
System.IO.Compression.GZipStream gzStream = null;
System.IO.FileStream fromFs = new System.IO.FileStream(fromFile, System.IO.FileMode.Open, System.IO.FileAccess.Read);
try
{
toFs = new System.IO.FileStream(toFile, System.IO.FileMode.Create, System.IO.FileAccess.Write);
gzStream = new System.IO.Compression.GZipStream(toFs, compressionMode);
byte[] buf = new byte[fromFs.Length];
fromFs.Read(buf, 0, buf.Length);
gzStream.Write(buf, 0, buf.Length);
}
finally
{
if (gzStream != null)
gzStream.Close();
if (toFs != null)
toFs.Close();
fromFs.Close();
}
}示例7: TorrentFile
public TorrentFile(string FileName)
{
try
{
System.IO.FileStream TorrentFile = new System.IO.FileStream(FileName, System.IO.FileMode.Open);
if (TorrentFile.Length == 0)
return;
byte[] TorrentBytes = new byte[TorrentFile.Length];
TorrentFile.Read(TorrentBytes, 0, TorrentBytes.Length);
TorrentFile.Close();
if ((char)TorrentBytes[0] != 'd')
{
if (OpenError.Length == 0) OpenError = "�����Torrent�ļ�����ͷ��1�ֽڲ���100";
return;
}
GetTorrentData(TorrentBytes);
if (TorrentName.Length == 0 && TorrentFileInfo.Count > 0)
TorrentName = TorrentFileInfo[0].Path;
}
catch (System.Exception ex)
{
//������־��¼
//H31Debug.PrintLn("TorrentFile:" + ex.StackTrace);
}
}示例8: GetBuildTimestamp
public static DateTime GetBuildTimestamp()
{
string filePath = Assembly.GetCallingAssembly().Location;
const int c_PeHeaderOffset = 60;
const int c_LinkerTimestampOffset = 8;
byte[] b = new byte[2048];
System.IO.Stream s = null;
try
{
s = new System.IO.FileStream(filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
s.Read(b, 0, 2048);
}
finally
{
if (s != null)
{
s.Close();
}
}
int i = BitConverter.ToInt32(b, c_PeHeaderOffset);
int secondsSince1970 = BitConverter.ToInt32(b, i + c_LinkerTimestampOffset);
DateTime dt = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
dt = dt.AddSeconds(secondsSince1970);
dt = dt.ToUniversalTime();
return dt;
}示例9: GetBuildNumber
//Code PES
private string GetBuildNumber()
{
string strBuildNumber = string.Empty, timestamp = string.Empty;
string filePath = System.Reflection.Assembly.GetCallingAssembly().Location;
const int c_PeHeaderOffset = 60;
const int c_LinkerTimestampOffset = 8;
byte[] b = new byte[2048];
System.IO.Stream s = null;
try
{
s = new System.IO.FileStream(filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
s.Read(b, 0, 2048);
}
finally
{
if (s != null)
{
s.Close();
}
}
int i = System.BitConverter.ToInt32(b, c_PeHeaderOffset);
int secondsSince1970 = System.BitConverter.ToInt32(b, i + c_LinkerTimestampOffset);
DateTime dtDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
dtDate = dtDate.AddSeconds(secondsSince1970);
dtDate = dtDate.ToLocalTime();
timestamp = dtDate.ToString("yyyyMMddHHmmss");
if (timestamp == string.Empty)
{ timestamp = "UNKOWN!"; }
strBuildNumber = "Build : " + timestamp;
return strBuildNumber;
}示例10: GetStream
private string GetStream(string filePath)
{
System.IO.FileStream fileStr = new System.IO.FileStream(filePath, System.IO.FileMode.Open);
byte[] by = new byte[System.Convert.ToInt32(fileStr.Length)];
fileStr.Read(by, 0, by.Length);
fileStr.Close();
return (System.Convert.ToBase64String(by));
}示例11: GetFileBody
public static byte[] GetFileBody(String FileName) {
using (System.IO.FileStream f = new System.IO.FileStream(FileName, System.IO.FileMode.Open)) {
byte[] bytes = new byte[f.Length];
Int32 readbytes = f.Read(bytes, 0, (Int32)f.Length);
System.Diagnostics.Debug.Assert(f.Length == readbytes);
return bytes;
}
}示例12: Load
public void Load()
{
System.IO.FileStream file = new System.IO.FileStream("data.dat",System.IO.FileMode.Open ) ;
Byte[] buffer1 = System.BitConverter.GetBytes( Existe[0] ) ;
Byte[] buffer2 = System.BitConverter.GetBytes( Left[0] ) ;
Byte[] buffer3 = System.BitConverter.GetBytes( Top[0] ) ;
Byte[] buffer4 = System.BitConverter.GetBytes( Color[0].ToArgb() ) ;
Byte[] buffer5 = System.Text.Encoding.BigEndianUnicode.GetBytes( Text[0], 0 , Text[0].Length ) ;
Byte[] bufferM1 = System.BitConverter.GetBytes( MainLeft ) ;
Byte[] bufferM2 = System.BitConverter.GetBytes( MainTop ) ;
file.Read( bufferM1, 0, bufferM1.Length ) ;
MainLeft = System.BitConverter.ToInt32( bufferM1 , 0 ) ;
file.Read( bufferM2, 0, bufferM2.Length ) ;
MainTop = System.BitConverter.ToInt32( bufferM2 , 0 ) ;
for ( int i = 0 ; i < MAX_POSTS ; i++ )
{
file.Read( buffer1, 0, buffer1.Length ) ;
Existe[i] = System.BitConverter.ToBoolean( buffer1 , 0 ) ;
file.Read( buffer2, 0, buffer2.Length ) ;
Left[i] = System.BitConverter.ToInt32( buffer2 , 0 ) ;
file.Read( buffer3, 0, buffer3.Length ) ;
Top[i] = System.BitConverter.ToInt32( buffer3 , 0 ) ;
file.Read( buffer4, 0, buffer4.Length ) ;
Color[i] = System.Drawing.Color.FromArgb( System.BitConverter.ToInt32(buffer4, 0 ) ) ;
file.Read( buffer5, 0, buffer5.Length ) ;
Text[i] = System.Text.Encoding.BigEndianUnicode.GetChars( buffer5 ) ;
}
file.Close() ;
}示例13: GetPictureData
private byte[] GetPictureData(string imagePath)
{
System.IO.FileStream fs = new System.IO.FileStream(imagePath, System.IO.FileMode.Open);
byte[] byteData = new byte[fs.Length];
fs.Read(byteData, 0, byteData.Length);
fs.Close();
return byteData;
}示例14: Page_Load
protected void Page_Load(object sender, EventArgs e)
{
try
{
//文件路径，包括文件名：D:\Products\SRM\C-Procurement\Development\SRM\DataFolder\FileExport\WOItemSearchReport2005041415155.XLS
string fullPathName = "";
//文件名：WOItemSearchReport2005041415155.XLS
string fileName = "";
if (Page.Request["FilePath"] != null && Page.Request["FilePath"].ToString().Length > 0)
{
fullPathName = HttpUtility.UrlDecode(Page.Request["FilePath"].ToString());
fileName = HttpUtility.UrlDecode(Page.Request["FileName"].ToString());
}
else
{
Response.Write("<script>window.close();</script>");
return;
}
//System.IO.FileInfo fleInfo = new System.IO.FileInfo(fullPathName);
//Response.Clear();
//Response.ClearHeaders();
//Response.Buffer = true;
//Response.AddHeader("content-disposition", "attachment; filename=" + Server.UrlEncode(fileName.Trim()));
////inline(在线打开)，attachment（下载）
//Response.AddHeader("Content-Length", fleInfo.Length.ToString());
//Response.ContentType = "application/x-msexcel";
//Response.WriteFile(fullPathName);
//Response.Flush();
//Response.End();
string fileserverpath = Server.MapPath(fullPathName);
System.IO.FileInfo fi = new System.IO.FileInfo(fileserverpath);
fi.Attributes = System.IO.FileAttributes.Normal;
System.IO.FileStream filestream = new System.IO.FileStream(fileserverpath, System.IO.FileMode.Open);
long filesize = filestream.Length;
int i = Convert.ToInt32(filesize);
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
Response.AddHeader("Content-Length", filesize.ToString());
byte[] fileBuffer = new byte[i];
filestream.Read(fileBuffer, 0, i);
filestream.Close();
Response.BinaryWrite(fileBuffer);
Response.Flush();
Response.End();
}
catch (Exception Ex)
{
Response.Write("<script>alert('" + Ex.Message.Replace("'", "\\'") + "');window.close();</script>");
Response.End();
}
}示例15: Main3
/// <exception cref="System.IO.IOException"></exception>
public static void Main3(string[] args)
{
System.IO.FileStream raf = new System.IO.FileStream("1141067269187.transaction",
"r");
long length = raf.Length();
System.Console.Out.WriteLine("File length = " + length);
for (int i = 0; i < length; i++)
{
System.Console.Out.WriteLine(i + ":\t" + raf.Read());
}
raf.Close();
}