The following routine parses the registry and lists all the installed COM components: ‘ this code assumes that you have used this Imports statement’ Imports Microsoft.Win32′ Print ProgID, CLSID, and path of all the COM components’ installed on this computer.Sub DisplayCOMComponents() ‘ Open the HKEY_CLASSES_ROOTCLSID key Dim regClsid As RegistryKey
The .NET frameworks provides a set of classes that let you work with the Registry, so it is quite easy to create routine that looks for specific keys to determine whether a program is installed or not. For example, the following code checks whether Microsoft Word is installed on the
The System.Diagnostics.Process class exposes the GetProcesses static method, that returns a list of all running processes. It is quite easy to leverage this feature to display all running processes in a ListBox or ComboBox control: ‘ This code assume that you’ve used the following Imports’ Imports System.Diagnostics.’ Start with an
The System.Diagnostics.Process class provides several methods to launch and controls other Windows processes. For example, the following code sample shows how to run Notepad, pass arguments to it, and run it from inside a given intial directory: ‘ this code assumes that you have used this Imports statement’ Imports System.DiagnosticsDim