Learn how to declare, instantiate, and invoke delegates for scenarios that require dynamic method invocation, such as callback methods and custom sorting or filtering.
The following example demonstrates the 'Invoke(Delegate)' method of 'Control class. A 'ListBox' and a 'Button' control are added to a form, containing a delegate
The Invoke-WebRequest cmdlet sends HTTP and HTTPS requests to a web page or web service. It parses the response and returns collections of links, images, and other significant HTML elements.
For all other method calls, you should use one of the invoke methods to marshal the call to the control's thread. The invoke methods always invoke their callbacks on the control's thread.
The Invoke-RestMethod cmdlet sends HTTP and HTTPS requests to Representational State Transfer (REST) web services that return richly structured data. PowerShell formats the response based to the data type.
When a string from an untrusted source such as user input is passed directly to Invoke-Expression, arbitrary commands can be executed. Always consider a different, more robust and secure solution first.
The Invoke-GPUpdate cmdlet refreshes Group Policy settings, including security settings that are set on remote computers by scheduling the running of the Gpupdate command on a remote computer.
public object? Invoke(object? obj, object? arg1, object? arg2); Public Function Invoke (obj As Object, arg1 As Object, arg2 As Object) As Object Parameters obj Object The object on which to invoke the method. If the method is static, this argument is ignored.
