Has anyone noticed that the Eventlog Class is slow? I'm trying to read log
entries of a particular source from the application log. There is a total of
6000+ entries in the Application log. When I read from the local machine it
is relatively fast, but over the network it can take up to 2 minutes of read
from the eventlog. The standard "Event Viewer" tool that comes windows XP
reads the same network data in seconds. The example listed at the end of
this mail is based on code from the SDK documentation. I want to filter
against EventlogEntry source. Is my code just wrong or should I use the API?
Any help you may have will be much appreciated?
Simon Powell
private void Form1_Load(object sender, System.EventArgs e)
{
listView1.Columns.Add("Date Time", 100,
HorizontalAlignment.Left);
listView1.Columns.Add("Event Type", 100,
HorizontalAlignment.Left);
listView1.Columns.Add("Event Message", 100,
HorizontalAlignment.Left);
listView1.View = View.Details;
this.Text = "Current Webstation Eventlog messages :
" + CurMachine;
EventLog NTIlog = new
EventLog("Application",CurMachine);
EventLogEntryCollection myLogEntryCol =
NTIlog.Entries;
foreach(EventLogEntry entry in myLogEntryCol)
{
if(entry.Source.IndexOf("PontisInstallAgent") != -1)
{
ListViewItem item =
listView1.Items.Add(entry.TimeGenerated.ToString());
switch(entry.EntryType.ToString())
{
case "Error" :
item.BackColor =
Color.Red;
item.ForeColor =
Color.White;
break;
case "Warning" :
item.BackColor =
Color.Yellow;
item.ForeColor =
Color.Black;
break;
default :
item.BackColor =
Color.White;
item.ForeColor =
Color.Black;
break;
}
item.SubItems.Add(entry.EntryType.ToString());
item.SubItems.Add(entry.Message);
}
}
foreach(ColumnHeader col in listView1.Columns)
{
col.Width = -2;
}
}
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