本文整理汇总了C#中System.IO.MemoryStream.WriteTo方法的典型用法代码示例。如果您正苦于以下问题：C# System.IO.MemoryStream.WriteTo方法的具体用法？C# System.IO.MemoryStream.WriteTo怎么用？C# System.IO.MemoryStream.WriteTo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.MemoryStream的用法示例。
在下文中一共展示了System.IO.MemoryStream.WriteTo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: BackupCompradoresLinkButton_Click
protected void BackupCompradoresLinkButton_Click(object sender, EventArgs e)
{
if (CedWebRN.Fun.NoEstaLogueadoUnUsuarioPremium((CedWebEntidades.Sesion)Session["Sesion"]))
{
ClientScript.RegisterStartupScript(GetType(), "Message", "<SCRIPT LANGUAGE='javascript'>alert('Esta funcionalidad es exclusiva del SERVICIO PREMIUM. Contáctese con Cedeira Software Factory para acceder al servicio.');</script>");
}
else
{
List<CedWebEntidades.Comprador> compradores = CedWebRN.Comprador.Lista(((CedWebEntidades.Sesion)Session["Sesion"]).Cuenta, (CedEntidades.Sesion)Session["Sesion"], false);
if (compradores.Count == 0)
{
ClientScript.RegisterStartupScript(GetType(), "Message", "<SCRIPT LANGUAGE='javascript'>alert('No hay datos de Compradores para descargar.');</script>");
}
else
{
System.Xml.Serialization.XmlSerializer x = new System.Xml.Serialization.XmlSerializer(compradores.GetType());
System.IO.MemoryStream m = new System.IO.MemoryStream();
System.Xml.XmlWriter writerdememoria = new System.Xml.XmlTextWriter(m, System.Text.Encoding.GetEncoding("ISO-8859-1"));
x.Serialize(writerdememoria, compradores);
m.Seek(0, System.IO.SeekOrigin.Begin);
string nombreArchivo = "eFact-Compradores-" + ((CedWebEntidades.Sesion)Session["Sesion"]).Cuenta.Id.Replace(".", String.Empty).ToUpper() + ".xml";
System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath(@"~/Temp/" + nombreArchivo), System.IO.FileMode.Create);
m.WriteTo(fs);
fs.Close();
Server.Transfer("~/DescargaTemporarios.aspx?archivo=" + nombreArchivo, false);
}
}
}示例2: btn_FileSave_Click
private void btn_FileSave_Click(object sender, EventArgs e)
{
SaveFileDialog dlg = new SaveFileDialog();
dlg.Title = "파일 저장 대화상자 예제";
dlg.CreatePrompt = true;
dlg.OverwritePrompt = true;
dlg.FileName = "default";
dlg.DefaultExt = "rtf";
dlg.InitialDirectory = "c:\\";
dlg.Filter = "RichText files (*.rtf)|*.rtf";
System.IO.MemoryStream memstream = new System.IO.MemoryStream();
this.richTextBox1.SaveFile(memstream, RichTextBoxStreamType.RichText);
if (dlg.ShowDialog() == DialogResult.OK)
{
try
{
System.IO.Stream fs = dlg.OpenFile();
memstream.Position = 0;
memstream.WriteTo(fs);
fs.Close();
this.textBox1.Text = dlg.FileName + " [[파일저장]]";
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}示例3: BackupVendedorLinkButton_Click
protected void BackupVendedorLinkButton_Click(object sender, EventArgs e)
{
try
{
if (CedWebRN.Fun.NoEstaLogueadoUnUsuarioPremium((CedWebEntidades.Sesion)Session["Sesion"]))
{
ClientScript.RegisterStartupScript(GetType(), "Message", "<SCRIPT LANGUAGE='javascript'>alert('Esta funcionalidad es exclusiva del SERVICIO PREMIUM. Contáctese con Cedeira Software Factory para acceder al servicio.');</script>");
}
else
{
CedWebEntidades.Vendedor vendedor = new CedWebEntidades.Vendedor();
vendedor.IdCuenta = ((CedWebEntidades.Sesion)Session["Sesion"]).Cuenta.Id;
CedWebRN.Vendedor.Leer(vendedor, (CedEntidades.Sesion)Session["Sesion"]);
System.Xml.Serialization.XmlSerializer x = new System.Xml.Serialization.XmlSerializer(vendedor.GetType());
System.IO.MemoryStream m = new System.IO.MemoryStream();
System.Xml.XmlWriter writerdememoria = new System.Xml.XmlTextWriter(m, System.Text.Encoding.GetEncoding("ISO-8859-1"));
x.Serialize(writerdememoria, vendedor);
m.Seek(0, System.IO.SeekOrigin.Begin);
string nombreArchivo = "eFact-Vendedor-" + ((CedWebEntidades.Sesion)Session["Sesion"]).Cuenta.Id.Replace(".", String.Empty).ToUpper() + ".xml";
System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath(@"~/Temp/" + nombreArchivo), System.IO.FileMode.Create);
m.WriteTo(fs);
fs.Close();
Server.Transfer("~/DescargaTemporarios.aspx?archivo=" + nombreArchivo, false);
}
}
catch (Microsoft.ApplicationBlocks.ExceptionManagement.Validaciones.ElementoInexistente)
{
ClientScript.RegisterStartupScript(GetType(), "Message", "<SCRIPT LANGUAGE='javascript'>alert('No hay datos del Vendedor para descargar.');</script>");
}
catch (Exception ex)
{
ClientScript.RegisterStartupScript(GetType(), "Message", "<SCRIPT LANGUAGE='javascript'>alert('" + ex.Message.ToString() + "');</script>");
}
}示例4: CopyFileStream
private void CopyFileStream(byte[] srcBuffer, string fileName)
{
using (var target = System.IO.File.Create(fileName))
{
using (var src = new System.IO.MemoryStream(srcBuffer, false))
{
src.WriteTo(target);
}
}
}示例5: ProcessRequest
public void ProcessRequest(HttpContext context)
{
context.Response.ClearContent();
// squirt it out
context.Response.BufferOutput = false;
System.Data.SqlClient.SqlConnection m_sqlConnection;
string connStr = System.Configuration.ConfigurationManager.ConnectionStrings["picConnect"].ConnectionString;
m_sqlConnection = new System.Data.SqlClient.SqlConnection(connStr);
m_sqlConnection.Open();
// prepare the statement
System.Data.SqlClient.SqlCommand insertCmd = new System.Data.SqlClient.SqlCommand("getPicRange", m_sqlConnection);
insertCmd.CommandType = CommandType.StoredProcedure;
System.Data.SqlClient.SqlDataReader read = insertCmd.ExecuteReader();
System.IO.MemoryStream gif=new System.IO.MemoryStream();
BumpKit.GifEncoder encoder = new GifEncoder(gif);
encoder.FrameDelay = System.TimeSpan.FromMilliseconds(250);
while (read.Read())
{
using (System.IO.MemoryStream image = new System.IO.MemoryStream((byte[])read.GetSqlBinary(read.GetOrdinal("pic"))))
{
encoder.AddFrame(System.Drawing.Image.FromStream(image));
}
}
context.Response.AddHeader("Content-Length", System.Convert.ToString(gif.Length));
context.Response.AddHeader("Content-Type", "image/gif");
gif.WriteTo(context.Response.OutputStream);
m_sqlConnection.Close();
}示例6: ExecuteResult
public override void ExecuteResult(ControllerContext context)
{
var response = context.HttpContext.Response;
response.Clear();
response.Cache.SetCacheability(HttpCacheability.NoCache);
response.ContentType = ContentType;
//Check to see if this is done from bytes or physical location
// If you're really paranoid you could set a true/false flag in
// the constructor.
if (ImageBytes != null)
{
var stream = new System.IO.MemoryStream(ImageBytes);
stream.WriteTo(response.OutputStream);
stream.Dispose();
}
else
{
response.TransmitFile(SourceFilename);
}
}示例7: downloadFile
/// <summary>
/// Download a file
/// Documentation: https://developers.google.com/drive/v3/web/manage-downloads
/// </summary>
/// <param name="_service">a Valid authenticated DriveService</param>
/// <param name="_fileResource">File resource of the file to download</param>
/// <param name="_saveTo">location of where to save the file including the file name to save it as.</param>
/// <returns></returns>
public static Boolean downloadFile(DriveService _service, File _fileResource, string _saveTo)
{
var request = _service.Files.Get(_fileResource.Id);
var stream = new System.IO.MemoryStream();
request.Download(stream);
System.IO.FileStream file = new System.IO.FileStream(_saveTo, System.IO.FileMode.Create, System.IO.FileAccess.Write);
try
{
stream.WriteTo(file);
}
catch (Exception)
{
throw;
}
finally
{
file.Close();
stream.Close();
}
return true;
}示例8: OnSaveAs
private void OnSaveAs(object sender, ExecuteEventArgs e)
{
using (SaveFileDialog dialog = new SaveFileDialog())
{
dialog.Filter = "Shader file (*.sh)|*.sh|All files (*.*)|*.*";
dialog.FilterIndex = 0;
dialog.RestoreDirectory = true;
if (dialog.ShowDialog() == DialogResult.OK)
{
using (var stream = dialog.OpenFile())
{
using (var xmlStream = new System.IO.MemoryStream())
{
var nodeGraph = ModelConversion.ToShaderPatcherLayer(graphControl);
var serializer = new System.Runtime.Serialization.DataContractSerializer(
typeof(ShaderPatcherLayer.NodeGraph));
var settings = new System.Xml.XmlWriterSettings()
{
Indent = true,
IndentChars = "\t",
Encoding = System.Text.Encoding.ASCII
};
// write the xml to a memory stream to begin with
using (var writer = System.Xml.XmlWriter.Create(xmlStream, settings))
{
serializer.WriteObject(writer, nodeGraph);
}
// we hide the memory stream within a comment, and write
// out a hlsl shader file
// The HLSL compiler doesn't like UTF files... It just wants plain ASCII encoding
using (var sw = new System.IO.StreamWriter(stream, System.Text.Encoding.ASCII))
{
var shader = ShaderPatcherLayer.NodeGraph.GenerateShader(nodeGraph, System.IO.Path.GetFileNameWithoutExtension(dialog.FileName));
sw.Write(shader);
sw.Write("/* **** **** NodeEditor **** **** \r\nNEStart{");
sw.Flush();
xmlStream.WriteTo(stream);
sw.Write("}NEEnd\r\n **** **** */\r\n");
}
}
}
}
}
}示例9: OnInit
/// <summary>
/// Initialization event.
/// </summary>
/// <param name="e"></param>
protected override void OnInit(EventArgs e)
{
System.Web.HttpRequest request = Context.Request;
System.Web.HttpResponse response = Context.Response;
if (request.Params["PlotSurface2D_" + this.ClientID] != null)
{
// retrieve the bitmap and display
response.Clear();
try
{
response.ContentType = "Image/Png";
System.Drawing.Bitmap bmp = (System.Drawing.Bitmap) Context.Session[prefix()+"PNG"];
// don't ask why, but if I write directly to the response
// I have a GDI+ error, if I first write to a MemoryStream and
// then to the response.OutputStream I don't get an error.
System.IO.MemoryStream s = new System.IO.MemoryStream();
bmp.Save( s, System.Drawing.Imaging.ImageFormat.Png);
s.WriteTo(response.OutputStream);
Context.Session.Remove(prefix()+"PNG");
}
catch (Exception ex)
{
response.ContentType = "Text/HTML";
response.Write( ex.Message );
}
finally
{
response.Flush();
response.End();
}
}
this.plotUrl = this.buildPlotURL();
base.OnInit (e);
}示例10: Page_Load
private void Page_Load(object sender, System.EventArgs e)
{
_questionId =
Information.IsNumeric(Request["QuestionId"]) ? int.Parse(Request["QuestionId"]) : -1;
_filterId =
Information.IsNumeric(Request["FilterId"]) ? int.Parse(Request["FilterId"]) : -1;
_sortOrder =
Request["SortOrder"] == null ? "ans" : Request["SortOrder"];
if (_questionId == -1)
{
Response.End();
}
else if (!NSurveyUser.Identity.IsAdmin &&
!NSurveyUser.Identity.HasAllSurveyAccess)
{
if (!new Question().CheckQuestionUser(_questionId, NSurveyUser.Identity.UserId))
{
Response.End();
}
}
ChartEngine engine = new ChartEngine();
ChartCollection charts = new ChartCollection(engine);
engine.Size = new Size(700, 500);
engine.Charts = charts;
WebChart.ColumnChart chart = new WebChart.ColumnChart();
chart.Fill.Color = Color.FromArgb(98,94,238);
chart.MaxColumnWidth = 80;
chart.DataLabels.Visible = true;
chart.DataLabels.Position = DataLabelPosition.Bottom;
chart.DataLabels.ForeColor = Color.White;
chart.Shadow.Visible = true;
chart.DataLabels.NumberFormat ="0.00";
chart.ShowLineMarkers = true;
SetQuestionData(engine, chart);
SetMoreProperties(engine);
charts.Add(chart);
// send chart to browser
Bitmap bmp;
System.IO.MemoryStream memStream = new System.IO.MemoryStream();
bmp = engine.GetBitmap();
bmp.Save(memStream, System.Drawing.Imaging.ImageFormat.Png);
memStream.WriteTo(Response.OutputStream);
Response.End();
}示例11: Page_Load
private void Page_Load(object sender, System.EventArgs e)
{
_questionId =
Information.IsNumeric(Request["QuestionId"]) ? int.Parse(Request["QuestionId"]) : -1;
_filterId =
Information.IsNumeric(Request["FilterId"]) ? int.Parse(Request["FilterId"]) : -1;
_sortOrder =
Request["SortOrder"] == null ? "ans" : Request["SortOrder"];
if (_questionId == -1)
{
Response.End();
}
else if (!NSurveyUser.Identity.IsAdmin &&
!NSurveyUser.Identity.HasAllSurveyAccess)
{
if (!new Question().CheckQuestionUser(_questionId, NSurveyUser.Identity.UserId))
{
Response.End();
}
}
ChartEngine engine = new ChartEngine();
ChartCollection charts = new ChartCollection(engine);
engine.Size = new Size(700, 500);
engine.Charts = charts;
PieChart pie = new PieChart();
//pie.Colors = new Color[]{ Color.Red};
ChartLegend legend = new ChartLegend();
legend.Position = LegendPosition.Right;
legend.Width = 200;
legend.Background.Color = Color.FromArgb(245,249,251);
pie.DataLabels.NumberFormat ="0.00";
pie.Explosion = 6;
pie.Shadow.Visible = true;
pie.Shadow.Color=Color.LightGray;
pie.Shadow.OffsetY = 5;
engine.HasChartLegend = true;
engine.Legend = legend;
engine.GridLines = GridLines.None;
SetQuestionData(engine, pie);
SetMoreProperties(engine);
charts.Add(pie);
// send chart to browser
Bitmap bmp;
System.IO.MemoryStream memStream = new System.IO.MemoryStream();
bmp = engine.GetBitmap();
bmp.Save(memStream, System.Drawing.Imaging.ImageFormat.Png);
memStream.WriteTo(Response.OutputStream);
Response.End();
}示例12: RenderUsers
//.........这里部分代码省略.........
dsUsers.Tables.Add("Users");
DataTable dt = dsUsers.Tables["Users"];
dt.Columns.Add("Id");
dt.Columns.Add("Name");
for(int i =0;i<ids_arr.GetUpperBound(0);i++)
{
if( ids_arr[i] != "")
{
DataRow dr;
dr = dsUsers.Tables["Users"].NewRow();
dr["Id"] = ids_arr[i];
dr["Name"] = names_arr[i];
dsUsers.Tables["Users"].Rows.Add(dr);
}
}
wcEng = new ChartEngine();
ChartCollection wcCharts = new ChartCollection(wcEng);
wcEng.Charts = wcCharts;
SetProperties(ref wcEng);
DataSet dsXGames = new DataSet("XGames");
FillXGames(ref dsXGames);
int n = 0;
DataSet dsUserPos = new DataSet("UserPos");
foreach(DataRow dri in dsUsers.Tables["Users"].Rows)
{
FillUserPos(ref dsUserPos,Convert.ToInt32(dri["id"]));
Chart lch = new WebChart.SmoothLineChart();
bool bNeedToShift = false;
//foreach (DataRow drxg in dsXGames.Tables[0].Rows)
//{
// if (dsUserPos.Tables[0].Rows.Contains(drxg[0]))
// {
// DataRow drup = dsUserPos.Tables[0].Rows.Find(drxg[0]);
// lch.Data.Add(new ChartPoint(ShiftGameName(drxg[0].ToString(), bNeedToShift), Convert.ToSingle(drup[1])));
// }
// else
// {
// DataRow drup = dsUserPos.Tables[0].Rows.Find(drxg[0]);
// lch.Data.Add(new ChartPoint(ShiftGameName(drxg[0].ToString(), bNeedToShift), 30));
// }
// lch.DataLabels.Visible = true;
// lch.DataLabels.ForeColor = Color.LightGray;
// //bNeedToShift = !bNeedToShift;
//}
int nRowCount = dsXGames.Tables[0].Rows.Count;
//for(int z=nRowCount;z==1;z--)
for (int z = nRowCount - 1; z >= 0; z = z - 1)
//DataRow drxg in dsXGames.Tables[0].Rows)
{
DataRow drxg = dsXGames.Tables[0].Rows[z];
if (dsUserPos.Tables[0].Rows.Contains(drxg[0]))
{
DataRow drup = dsUserPos.Tables[0].Rows.Find(drxg[0]);
lch.Data.Add(new ChartPoint(ShiftGameName(drxg[0].ToString(), bNeedToShift), Convert.ToSingle(drup[1])));
}
else
{
//DataRow drup = dsUserPos.Tables[0].Rows.Find(drxg[0]);
//lch.Data.Add(new ChartPoint(ShiftGameName(drxg[0].ToString(), bNeedToShift), -1));
}
lch.DataLabels.Visible = true;
lch.DataLabels.ForeColor = Color.LightGray;
//bNeedToShift = !bNeedToShift;
}
lch.Line.Color = user_color[n%10];
n++;
lch.DataLabels.Visible=true;
Font dlFont = new Font("verdana",5);
lch.DataLabels.Font = dlFont;
lch.Legend = dri["name"].ToString();
lch.DataLabels.ForeColor = Color.Black;
lch.LineMarker = new CircleLineMarker(3, lch.Line.Color, lch.Line.Color);
wcEng.YCustomEnd = Convert.ToInt32(Session["chart_Ycount"]);
wcEng.Charts.Add(lch);
}
Bitmap bmp;
System.IO.MemoryStream memStream = new System.IO.MemoryStream();
bmp = wcEng.GetBitmap();
bmp.Save(memStream, System.Drawing.Imaging.ImageFormat.Png);
memStream.WriteTo(Response.OutputStream);
Response.End();
}
catch (Exception exc)
{
Response.Write(exc.Message);
}
}示例13: Page_Load
/// <summary>
/// Handles the Load event of the Page control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
protected void Page_Load(object sender, EventArgs e)
{
if (!((Request.QueryString["rating"] == null) | Request.QueryString["rating"].Equals("NaN")))
{
double ratingpoints = Convert.ToDouble(Request.QueryString["rating"]);
int maxImageLength = 0;
int maxImageHeight = 0;
maxImageHeight = 10;
//// pixels
maxImageLength = 112;
//// pixels
int ratingValue = 0;
ratingValue = Convert.ToInt32((ratingpoints / 5) * maxImageLength);
Bitmap objBitmap = new Bitmap(maxImageLength, maxImageHeight);
Graphics objGraphics = Graphics.FromImage(objBitmap);
SolidBrush objBrushRating = new SolidBrush(this.foreColor);
SolidBrush objBrushBorder = new SolidBrush(this.backColor);
SolidBrush objBrushNoRate = new SolidBrush(this.ratingBackColor);
SolidBrush objBrushRatingHighBorder = new SolidBrush(Color.FromArgb(this.MaxInt(Convert.ToInt32(this.foreColor.R) + 150), this.MaxInt(Convert.ToInt32(this.foreColor.G) + 150), this.MaxInt(Convert.ToInt32(this.foreColor.B) + 150)));
SolidBrush objBrushRatingLowBorder = new SolidBrush(Color.FromArgb(this.MaxInt(Convert.ToInt32(this.foreColor.R) - 60), this.MaxInt(Convert.ToInt32(this.foreColor.G) - 60), this.MaxInt(Convert.ToInt32(this.foreColor.B) - 60)));
SolidBrush objBrushBorderDark = new SolidBrush(Color.FromArgb(this.MaxInt(Convert.ToInt32(this.backColor.R) - 60), this.MaxInt(Convert.ToInt32(this.backColor.G) - 60), this.MaxInt(Convert.ToInt32(this.backColor.B) - 60)));
objGraphics.FillRectangle(objBrushBorderDark, 0, 0, maxImageLength, maxImageHeight);
objGraphics.FillRectangle(objBrushBorder, 1, 1, maxImageLength - 2, maxImageHeight - 2);
objGraphics.FillRectangle(objBrushNoRate, 2, 2, maxImageLength - 3, maxImageHeight - 4);
objGraphics.FillRectangle(objBrushRating, 2, 2, ratingValue - 3, maxImageHeight - 4);
objGraphics.FillRectangle(objBrushRatingHighBorder, 2, 2, ratingValue - 3, 1);
objGraphics.FillRectangle(objBrushRatingHighBorder, 2, 2, 1, maxImageHeight - 5);
objGraphics.FillRectangle(objBrushRatingLowBorder, 2, maxImageHeight - 3, ratingValue - 3, 1);
objGraphics.FillRectangle(objBrushRatingLowBorder, ratingValue - 2, 3, 1, maxImageHeight - 5);
////objGraphics.FillRectangle(objBrushBorder, 0, 0, 2 , MaxImageHeight)
objGraphics.FillRectangle(objBrushBorder, 22, 1, 2, maxImageHeight - 2);
objGraphics.FillRectangle(objBrushBorder, 44, 1, 2, maxImageHeight - 2);
objGraphics.FillRectangle(objBrushBorder, 66, 1, 2, maxImageHeight - 2);
objGraphics.FillRectangle(objBrushBorder, 88, 1, 2, maxImageHeight - 2);
objGraphics.FillRectangle(objBrushBorder, 110, 1, 1, maxImageHeight - 2);
Response.ContentType = "image/png";
System.IO.MemoryStream imageStream = new System.IO.MemoryStream();
objBitmap.Save(imageStream, ImageFormat.Png);
imageStream.WriteTo(Response.OutputStream);
objBitmap.Dispose();
objGraphics.Dispose();
}
else
{
Bitmap objBitmap = new Bitmap(1, 1);
Graphics objGraphics = Graphics.FromImage(objBitmap);
SolidBrush objBrushRating = new SolidBrush(Color.Transparent);
objGraphics.FillRectangle(objBrushRating, 0, 0, 1, 1);
Response.ContentType = "image/png";
System.IO.MemoryStream imageStream = new System.IO.MemoryStream();
objBitmap.Save(imageStream, ImageFormat.Png);
imageStream.WriteTo(Response.OutputStream);
objBitmap.Dispose();
objGraphics.Dispose();
}
}示例14: WriteWavHeader
/// <summary>
/// A bare bones WAV file header writer
/// </summary>
private static void WriteWavHeader(System.IO.Stream stream, int dataLength)
{
//We need to use a memory stream because the BinaryWriter will close the underlying stream when it is closed
using (var memStream = new System.IO.MemoryStream(64))
{
int cbFormat = 18; //sizeof(WAVEFORMATEX)
WAVEFORMATEX format = new WAVEFORMATEX()
{
wFormatTag = 1,
nChannels = 1,
nSamplesPerSec = 16000,
nAvgBytesPerSec = 32000,
nBlockAlign = 2,
wBitsPerSample = 16,
cbSize = 0
};
using (var bw = new System.IO.BinaryWriter(memStream))
{
//RIFF header
WriteString(memStream, "RIFF");
bw.Write(dataLength + cbFormat + 4); //File size - 8
WriteString(memStream, "WAVE");
WriteString(memStream, "fmt ");
bw.Write(cbFormat);
//WAVEFORMATEX
bw.Write(format.wFormatTag);
bw.Write(format.nChannels);
bw.Write(format.nSamplesPerSec);
bw.Write(format.nAvgBytesPerSec);
bw.Write(format.nBlockAlign);
bw.Write(format.wBitsPerSample);
bw.Write(format.cbSize);
//data header
WriteString(memStream, "data");
bw.Write(dataLength);
memStream.WriteTo(stream);
}
}
}示例15: ProcessRequest
public void ProcessRequest(HttpContext context)
{
string root_abs_path = VirtualPathUtility.ToAbsolute("~/");
string archive_file_vpath = "~/" + context.Request.RawUrl.Substring(root_abs_path.Length).Replace(".fa.aspx?", "?");
archive_file_vpath = archive_file_vpath.Substring(0, archive_file_vpath.IndexOf("?"));
string archive_file = context.Server.MapPath(archive_file_vpath);
string filename = (!string.IsNullOrEmpty(context.Request.QueryString["n"]) ? context.Request.QueryString["n"] : "");
string requesttype = (!string.IsNullOrEmpty(context.Request.QueryString["t"]) ? context.Request.QueryString["t"] : "");
string hashcode = (!string.IsNullOrEmpty(context.Request.QueryString["u"]) ? context.Request.QueryString["u"] : "");
string width = (!string.IsNullOrEmpty(context.Request.QueryString["w"]) ? context.Request.QueryString["w"] : "");
string fixed_height = (!string.IsNullOrEmpty(context.Request.QueryString["fh"]) ? context.Request.QueryString["fh"] : "t");
string watermark = (!string.IsNullOrEmpty(context.Request.QueryString["wm"]) ? context.Request.QueryString["wm"] : "0");
try
{
if (Security.CheckSecurity(hashcode))
{
FileArchiverCore core = new FileArchiverCore(archive_file);
if (requesttype == "thumb")
{
context.Response.ContentType = "image/png";
Bitmap thumb = core.GetIcon(filename, width, fixed_height);
System.IO.MemoryStream memresult = new System.IO.MemoryStream();
thumb.Save(memresult, System.Drawing.Imaging.ImageFormat.Png);
memresult.WriteTo(context.Response.OutputStream);
thumb.Dispose();
memresult.Dispose();
thumb = null;
memresult = null;
}
if (requesttype == "full")
{
byte[] contents = core.GetFileContents(filename);
AddWatermark(ref contents);
context.Response.BinaryWrite(contents);
context.Response.ContentType = MimeTypes.GetMimeType(System.IO.Path.GetExtension(filename));
}
if (requesttype == "down")
{
byte[] contents = core.GetFileContents(filename);
AddWatermark(ref contents);
context.Response.BinaryWrite(contents);
context.Response.AddHeader("Content-Disposition", "attachment;filename=" + filename);
}
if (requesttype == "up")
{
if (context.Request.Files.Count > 0)
{
core.AddFile(
context.Request.Files[0].FileName,
context.Request.Files[0].InputStream);
context.Response.Write("{status:'success'}");
}
}
if (requesttype == "del")
{
core.RemoveFile(filename);
context.Response.Write("{status:'success'}");
}
if (requesttype == "list")
{
string files = "";
for (int i = 0; i < core.Files.Length; i++)
files += core.Files[i].Name + "|";
if (files.EndsWith("|")) files = files.Remove(files.Length - 1);
context.Response.Write(files);
}
}
else
{
throw new Exception("Not logged in.");
}
}
catch (Exception ex)
{
context.Response.Write("{status:'error',msg:'" + ex.Message.Replace("'", "\\'").Replace("\\", "\\\\") + "',detail:'" + ex.ToString().Replace("'", "\\'").Replace("\\", "\\\\") + "'}");
}
}