PowerShell: Dynamic Parameters and Parameter Validation

Background on Parameter Validation PowerShell advanced functions allow their creators to specify a fair amount of metadata that describes their parameters. One huge benefit of parameter declarations in PowerShell is that it’s possible to validate input right at the parameter level, before you execute any code in the body of the function. This helps make … Read morePowerShell: Dynamic Parameters and Parameter Validation

PowerShell Quick Tip: Determine STA Threading Mode

Some code in PowerShell requires you to use the Single-Threaded Apartment (STA) threading model. The PowerShell version 2.0 console host uses Multi-Threaded Apartment by default. The PowerShell Integrated Scripting Environment (ISE) uses the STA threading model. If you’re writing code using the WPK module included in the PowerShellPack, you will need to ensure that you … Read morePowerShell Quick Tip: Determine STA Threading Mode

PowerShell: ConfigMgr WMI Provider (feat. Lazy Properties)

What are Lazy Properties? So if you’re a script writer, and you also use System Center Configuration Manager 2007 (ConfigMgr), you may have run into a concept called Lazy Properties. Lazy properties are certain (not all) properties on certain (not all) WMI classes, within the ConfigMgr provider namespace, that are marked with a WMI qualifier … Read morePowerShell: ConfigMgr WMI Provider (feat. Lazy Properties)