Public/Set-WFRichTextBox.ps1

function Set-WFRichTextBox
{
<#
    .SYNOPSIS
        The Set-WFRichTextBox function allow you to manage the richtextbox control
     
    .DESCRIPTION
        The Set-WFRichTextBox function allow you to manage the richtextbox control
     
    .PARAMETER RichTextBox
        Specifies the RichTextBox Control to use
     
    .PARAMETER ScrollToCaret
        Specifies that the RichTextBox will scroll to the end.
     
    .EXAMPLE
        PS C:\> Set-WFRichTextBox -PipelineVariable $value1 -RichTextBox $value2
     
    .NOTES
        Author: Francois-Xavier Cat
        Twitter:@LazyWinAdm
        www.lazywinadmin.com
        github.com/lazywinadmin
#>

    
    [CmdletBinding(SupportsShouldProcess = $true)]
    param
    (
        [System.Windows.Forms.RichTextBox]$RichTextBox,
        
        [Switch]$ScrollToCaret
    )
    
    BEGIN
    {
        Add-Type -AssemblyName System.Windows.Forms
    }
    PROCESS
    {
        IF ($PSCmdlet.ShouldProcess($RichTextBox, "Scroll to the end"))
        {
            $RichTextBox.ScrollToCaret()
        }
    }
}