Remove-ApplicationByDisplayName.ps1

Function Remove-ApplicationByDisplayName
{
    <#
    .SYNOPSIS
    Remove an application from Windows
    .DESCRIPTION
    Will accept a DisplayName value that will be searched for in Programs and Features and will
    uninstall the applicationg.
    .PARAMETER DisplayName
    The DisplayName as it found in Programs and Features
    .NOTES
    Author: Mark Allen
    Created: 16/08/2018
    .LINK
    http://www.markallenit.com/blog/
    .EXAMPLE
    Get-ApplicationByDisplayName -DisplayName 'Google Chrome'
    Will find any entry in Programs and Features named 'Google Chrome and will uninstall
    it.
    .EXAMPLE
    Get-ApplicationByDisplayName -DisplayName '7-Zip * (x64 edition)'
    Will find any entry in Programs and Features like '7-Zip * (x64 edition)' and will uninstall it.
    '*' is a wildcard that will be substituted by the version number in this example.
    #>
    param (
        [parameter(
            Mandatory=$true,
            Position = 0
        )]
        [ValidateNotNullOrEmpty()]
        [string]
            $DisplayName
    )

    begin
    {
        [String]$UninstallString = Get-ArpPropertyByDisplayName -DisplayName $DisplayName -Property QuietUninstallString | Select-Object -First 1
        if($null -eq $UninstallString) {
            $UninstallString = Get-ArpPropertyByDisplayName -DisplayName $DisplayName | Select-Object -First 1
        }
        if($null -eq $UninstallString) {
            Write-Error -Message "Can't find an uninstall string." -ErrorAction Stop
        }
        Write-Output "Found uninstall string: $UninstallString"
    }

    process
    {
        $UninstallString = [CommandString]::new($UninstallString).ToUninstall()

        try {
            Write-Output "Executing: " + $UninstallString
            Start-Process cmd -ArgumentList "/c $UninstallString" -NoNewWindow -Wait
            Write-Output "Finished Executing: " + $UninstallString
        }
        catch {
            Write-Output "Failed to execute: " + $UninstallString
            throw
        }
    }
}