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WMI

Hello,

I'm just starting out with c# and WMI and have a few questions that seasoned
coders might be able to help me with. I'd like to write a console app that
would query a server and pull out all the errors in the system and
application log. I've started writing the class to do this but i'm stuck now
because I have no idea on how to do this... here's my code... any help is
appreciated.

using System;
using System.Collections.Generic;
using System.Text;
using System.Management;

#endregion

namespace EventlogWatcher
{
public class EventLog
{
// variables to store server name and event log type
private string serverName, logType;
private const string user="softlnding";
private const string password = "$0ftLand1ng";
public EventLog(string serverName, string logType)
{
this.logType = logType;
this.serverName = serverName;
}

private void GetLogs()
{
//Build an options object for the connection
ConnectionOptions options = new ConnectionOptions();
options.Username = user;
options.Password = password;

//Make a connection to a remote computer using these options
ManagementScope scope = new
ManagementScope("\\\\Server1\\root\\cimv2", options);
scope.Connect();

SelectQuery query = new SelectQuery("Select * from
Win32_NTEventLogFile Where LogFileName='Application'");
}

}
}
Nov 17 '05 #1
8 3557
You have done a great job on investigating the WMI connection requirements
but it isn't necessary for reading the event logs of a remote machine.
Here's how to do it. The for loop displays all of the entries for the last
24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want to
view

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH

Dale Preston
MCAD, MCDBA, MCSE

"Troy" <tr**@gc.ca> wrote in message
news:eS**************@TK2MSFTNGP12.phx.gbl...
Hello,

I'm just starting out with c# and WMI and have a few questions that seasoned coders might be able to help me with. I'd like to write a console app that
would query a server and pull out all the errors in the system and
application log. I've started writing the class to do this but i'm stuck now because I have no idea on how to do this... here's my code... any help is
appreciated.

using System;
using System.Collections.Generic;
using System.Text;
using System.Management;

#endregion

namespace EventlogWatcher
{
public class EventLog
{
// variables to store server name and event log type
private string serverName, logType;
private const string user="softlnding";
private const string password = "$0ftLand1ng";
public EventLog(string serverName, string logType)
{
this.logType = logType;
this.serverName = serverName;
}

private void GetLogs()
{
//Build an options object for the connection
ConnectionOptions options = new ConnectionOptions();
options.Username = user;
options.Password = password;

//Make a connection to a remote computer using these options
ManagementScope scope = new
ManagementScope("\\\\Server1\\root\\cimv2", options);
scope.Connect();

SelectQuery query = new SelectQuery("Select * from
Win32_NTEventLogFile Where LogFileName='Application'");
}

}
}

Nov 17 '05 #2
You have done a great job on investigating the WMI connection requirements
but it isn't necessary for reading the event logs of a remote machine.
Here's how to do it. The for loop displays all of the entries for the last
24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want to
view

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH

Dale Preston
MCAD, MCDBA, MCSE

"Troy" <tr**@gc.ca> wrote in message
news:eS**************@TK2MSFTNGP12.phx.gbl...
Hello,

I'm just starting out with c# and WMI and have a few questions that seasoned coders might be able to help me with. I'd like to write a console app that
would query a server and pull out all the errors in the system and
application log. I've started writing the class to do this but i'm stuck now because I have no idea on how to do this... here's my code... any help is
appreciated.

using System;
using System.Collections.Generic;
using System.Text;
using System.Management;

#endregion

namespace EventlogWatcher
{
public class EventLog
{
// variables to store server name and event log type
private string serverName, logType;
private const string user="softlnding";
private const string password = "$0ftLand1ng";
public EventLog(string serverName, string logType)
{
this.logType = logType;
this.serverName = serverName;
}

private void GetLogs()
{
//Build an options object for the connection
ConnectionOptions options = new ConnectionOptions();
options.Username = user;
options.Password = password;

//Make a connection to a remote computer using these options
ManagementScope scope = new
ManagementScope("\\\\Server1\\root\\cimv2", options);
scope.Connect();

SelectQuery query = new SelectQuery("Select * from
Win32_NTEventLogFile Where LogFileName='Application'");
}

}
}

Nov 17 '05 #3
_R
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last
24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want to
view

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?

Nov 17 '05 #4
_R
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last
24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want to
view

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?

Nov 17 '05 #5
Not if you're a domain administrator.

Dale

"_R" <_R@nomail.org> wrote in message
news:ti********************************@4ax.com...
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want toview

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?

Nov 17 '05 #6
Not if you're a domain administrator.

Dale

"_R" <_R@nomail.org> wrote in message
news:ti********************************@4ax.com...
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you want toview

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?

Nov 17 '05 #7
dude you rock....

"Dale Preston" <da******@nospam.nospam> wrote in message
news:OC**************@TK2MSFTNGP14.phx.gbl...
Not if you're a domain administrator.

Dale

"_R" <_R@nomail.org> wrote in message
news:ti********************************@4ax.com...
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you
want
toview

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?


Nov 17 '05 #8
dude you rock....

"Dale Preston" <da******@nospam.nospam> wrote in message
news:OC**************@TK2MSFTNGP14.phx.gbl...
Not if you're a domain administrator.

Dale

"_R" <_R@nomail.org> wrote in message
news:ti********************************@4ax.com...
On Fri, 25 Mar 2005 18:39:39 -0600, "Dale Preston"
<da******@nospam.nospam> wrote:
Here's how to do it. The for loop displays all of the entries for the last24 hours from newest to oldest.

// Create the event log object
eventLog = new System.Diagnostics.EventLog();
eventLog.MachineName = serverName;
eventLog.Log = "System"; // or "Application" or any other log you
want
toview

for(int x = eventLog.Entries.Count - 1; x >= 0; x--)
{
EventLogEntry entry = eventLog.Entries[x];
if (entry.TimeGenerated < DateTime.Now.AddDays(-1))
{
break;
}
}

HTH


Doesn't this generate an access violation if you attempt to read
another (networked) machine's event queue?


Nov 17 '05 #9

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