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using System;
using System.IO;
using System.Collections.Generic;
using System.Configuration;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
namespace AmaEditor
{
public partial class FileEditor : Form
{
public EwsdReader ewsd;
private Thread progressThread;
private Thread readingTread;
private delegate void process();
private delegate void recordWriter (RecordReader rec);
private DateTime startTime;
#region Form controls
public FileEditor()
{
InitializeComponent();
}
private void dataGridView_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
{
DataRow currentRow = storeDs.Tables["Records"].NewRow();
currentRow = storeDs.Tables["Records"].Rows[e.RowIndex];
RecordReader selRec = new RecordReader(ewsd.ewsdStruct, ewsd.buffer, Convert.ToInt32(currentRow["Address"].ToString()) - 1);
RecordEditor recEdit = new RecordEditor(selRec, string.Format("{2} N°{0:D6} / address {1}", e.RowIndex + 1, selRec.address + 1, selRec.Name));
recEdit.Show();
}
#endregion
#region Main Menu
public void openFile(string fileName)
{
try
{
reader(fileName);
}
catch (InvalidPackageException caught)
{
MessageBox.Show(caught.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (InvalidRecordException caught)
{
MessageBox.Show(caught.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (InvalidStructureFile caught)
{
MessageBox.Show(caught.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
setStructureFile();
}
}
private void openFile(object sender, EventArgs e)
{
OpenFileDialog file = new OpenFileDialog();
file.Filter = "AMA files (*.ama)|*.ama|ICAMA (*.icama)|*.icama|INAMA (*.inama)|*.inama|All files (*.*)|*.*";
if (file.ShowDialog() == DialogResult.OK)
{
openFile(file.FileName);
}
}
private void setStructureFile()
{
OpenFileDialog file = new OpenFileDialog();
file.Filter = "AMA structure definition (*.asd)|*.asd";
if (file.ShowDialog() == DialogResult.OK)
{
Configuration config = ConfigurationManager.OpenExeConfiguration(Application.ExecutablePath);
ConfigurationManager.AppSettings["EwsdStructure"] = file.FileName;
config.AppSettings.Settings.Remove("EwsdStructure");
config.AppSettings.Settings.Add("EwsdStructure", file.FileName);
config.Save();
}
}
private void editStructure(object sender, EventArgs e)
{
StructureEditor structEdit = new StructureEditor();
structEdit.openFile(ConfigurationManager.AppSettings["EwsdStructure"]);
structEdit.Show();
}
#endregion
#region ProgressBar
private void startProgression()
{
startTime = System.DateTime.Now;
message.Text = "Loading... Please Wait.";
//message.Refresh();
progressBar.Minimum=0;
progressBar.Maximum=ewsd.buffer.Length;
progressBar.Visible = true;
//dataGridView.Refresh();
dataGridView.DataSource = null;
this.Refresh();
progressThread=new Thread(new ThreadStart(progressLoop));
progressThread.Name = "Progression";
progressThread.IsBackground = true;
progressThread.Priority = ThreadPriority.Normal;
progressThread.Start();
}
private void progressLoop()
{
while(Thread.CurrentThread.IsAlive)
{
this.Invoke(new process(displayProgress));
Thread.Sleep(500);
}
}
private void stopProgression()
{
progressThread.Abort();
progressBar.Visible=false;
DataView dv = new DataView(storeDs.Records);
dataGridView.DataSource = dv;
dataGridView.Refresh();
DateTime stopTime = System.DateTime.Now;
TimeSpan spent = stopTime - startTime;
message.Text = string.Format("{0} records loaded {1:t} seconds -> {2:} records/seconds", storeDs.Tables["Records"].Rows.Count, spent, (int)(storeDs.Tables["Records"].Rows.Count / spent.TotalSeconds));
}
private void displayProgress()
{
progressBar.Value=ewsd.progression;
progressBar.Refresh();
this.Refresh();
}
#endregion
#region reader (using Thread)
private void reader(string fileName)
{
storeDs.Tables["Records"].Clear();
ewsd = new EwsdReader();
ewsd.open(fileName);
startTime = System.DateTime.Now;
readingTread = new Thread(new ThreadStart(readDataLoop));
readingTread.Name = "ReadingFile";
readingTread.IsBackground = true;
readingTread.Priority = ThreadPriority.BelowNormal;
readingTread.Start();
startProgression();
}
private void readDataLoop()
{
this.Invoke(new process(startProgression));
RecordReader rec;
while ((rec=ewsd.readNextRecord())!=null)
{
rec.read();
// crearte new row in dataset
DataRow newRow = storeDs.Tables["Records"].NewRow();
newRow["Index"] = storeDs.Tables["Records"].Rows.Count + 1;
newRow["Address"] = rec.address + 1;
newRow["Type"] = rec.Name;
// read inner data
PackageReader pkg;
if ((pkg = rec.packages.identify(100)) != null) newRow["DateTime"] = pkg.fields[1].Value;
if ((pkg = rec.packages.identify(110)) != null) newRow["ConnectId"] = pkg.fields[2].Value;
// sotre data in dataset
storeDs.Tables["Records"].Rows.Add(newRow);
}
this.Invoke(new process(stopProgression));
}
#endregion
}
} |
C# Thread et performances
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Envoyé par TheGriffin
.
). A part ça pas de soucis, on est là pour apprendre, j'espere que ma première réponse n'a pas été trop "sèche", ce n'était pas mon intention.
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