Code Examples

These code snippets for PowerSNMP for .NET can be copied and pasted into your project.

General Examples 

Code Snippet	Description
Non-blocking Operation	Illustrates how Dart's FTP components can be used to stream multiple files over the network.
Logging Requests	Accepts passive connections and echoes back all data it receives over those connections.
Logging Messages	Allows you to send a receive files between a remote computer.
Sending Informs	Demonstrates the mechanics of connecting to an HTTP server, and sending/receiving resources from the server.
Sending SNMPv3 Requests	Demonstrates how to make a TCP control listen for and accept HTTP requests.
Adding SNMPv3 users	Demonstrates retrieval of mail from a POP3 mail server.

 

 

Agent Examples 

Code Snippet	Description
Basic Agent Operation	Starting an agent that receives and responds to SNMP queries (sets, gets, etc)
Adding Variables to the Agent	Adding variables to an agent's Variables collection
Responding to Requests	Responding to a Get request for a value maintained outside of Agent.Variables
Populating a Table	Populating a specific table with a pre-defined method
Populating a Table from an Array	Populating an arbitrary table from a 2d string array on a local agent
Sending Traps	Sending Traps
Sending MIB Defined Traps	Sending a Trap defined in a loaded MIB

 

 

Manager Examples

Code Snippet	Description
Listening for Notifications	Listening for notifications (traps and informs), and responding to informs
Sending a Get Request	Sending a Get request and receiving the response
Sending a Set Request	Sending a Set request and receiving the response
Get Request Using MibNodes	Sending a Get request for an object defined in a MIB loaded at runtime
Get Request Using Mib Code Files	Sending a Get request for an object defined in a Mib code file
Single-threaded Get Requests	Sending a Get request in a single-threaded application (demonstrates basics of single-threaded use)
Discovering Agents	Discovering agents on your network with a broadcast Get request
Sending GetNext Requests	Sending a GetNext request and receiving the response
Sending GetBulk Requests	Sending a GetBulk request and receiving the response
GetTable Using GetNext Requests	Getting an SNMP table using the GetTable method utilizing GetNext requests
GetTable Using GetBulk Requests	Getting an SNMP table using the GetTable method utilizing GetBulk requests
Populating a Table Remotely	Populating an arbitrary table from a 2d string array on a remote agent from a manager
Walk an Agent	Walking an agent from a specified OID
Manually Walk an Agent	Manually walk an agent using GetNext requests

 

 

Sample Projects

Samples are working applications demonstrating SNMP for .NET components in C#, VB.NET, C++/CLI and PowerShell. Source code included. Sample Projects that include .NET Core 2.0 projects, referencing the Dart.Snmp.Standard dll, are marked with the this icon:

 

Sample Name	Sample Description
Agent	Demonstrates responding to SNMP requests and sending trap messages.
Manager	Demonstrates getting and setting Agent variables, sending and receiving inform messages, retrieving tables, and receiving traps.
Manager Task Async	Uses the Manager Component to build a simple manager. Supports queries for basic variables, either by discovery or specific address. Also shows how to set values. Uses GetResponseTaskAsync to retrieve variable values and send informs.
Trap Catcher	Demonstrates receiving and processing trap messages.
MIB Treeview	Demonstrates displaying mibs in a tree structure and on-demand mib parsing. Also demonstrates mib compilation into code files.
MIB Walker	Demonstrates discovering and retrieving variables supported by an agent under a specified OID.
SNMP Poll	Demonstrates simultaneous high-performance polling of numerous variables.
Web Manager (ASP.NET)	Demonstrates getting Agent variable values in a web application.
Web Service Manager	Demonstrates getting Agent variable values in a web service application. Includes example consumer app.
WCF Service Manager	Demonstrates getting Agent variable values in a Windows Communication Foundation (WCF) service application. Includes example consumer app.
WPF Simple Manager	Demonstrates using the Manager component to build a simple manager in WPF
Agent Console	Demonstrates a simple blocking Agent in a console application.
Trap Console	Demonstrates a simple blocking trap catcher using the Manager component in a console application.
Manager Console	Demonstrates performing a simple blocking get using the Manager component within a console application.
Agent Service	Uses the Agent Component to build an agent as a windows service.
Trap Service	Demonstrates a simple trap catcher using the Manager component in a windows service.

 

 

Application Projects

Applications are more sophisticated than samples and demonstrate more comprehensive functionality. 

Application Name	Application Description
Free SNMP Manager	Demonstrates a fully functional SNMP Manager application. WinForms C# source.