Demonstrates how to control a communications port.

Demonstrates how to create and delete event logs, and how to read and write to system event logs and custom event logs.

Uses the FileSystemWatcher class to respond when files are created, deleted, modified or renamed.

Uses objects in the System.Diagnostics namespace to gather information about a running process.

Shows how to send and receive message-queue messages from Windows Forms applications.

Shows how to read from and write to performance counters.

Illustrates some of the ways to launch and monitor processes using the Process class of the System.Diagnostics namespace.

Uses the SystemEvents class, which allows an application to react to events raised by system activity.

Shows how to control Windows Services.

Uses objects in the System.Management namespace to access Windows Management Instrumentation (WMI).

This class is used to start and stop processes.

This class triggers events when files change.

This class triggers events when display settings change.

These samples demonstrate project, user, and assembly tasks.

These samples demonstrate data access.

These samples demonstrate Windows Forms applications.

These samples demonstrate Visual Basic language concepts.

These samples demonstrate security tasks.

This page is the starting point for all Visual Basic samples included with the documentation.

Contains samples that access and manage the Active Directory, showing how to do several typical directory operations.

Discusses server-based components provided by the .NET Framework, such as MessageQueue and EventLog.