PowerShell: Uninstall App or Exe via PackageManagement

Remove-InstalledApp.ps1

Function Remove-InstalledApp ([string]$AppName)  {
    get-package $AppName -ErrorAction:SilentlyContinue | Foreach {
        $app = $_
        switch ($app.ProviderName) {
            'msi' {
                Write-Output "Uninstalling msi for $($app.Name)"
                $app | Uninstall-Package
            }
            'PowerShellGet' {
                Write-Output "Uninstalling PowerShellGet package for $($app.Name)"
                $app | Uninstall-Package
            }
            'Programs' {
                if ( $null -ne $app.metadata['UninstallString'] ) {
                    Write-Output "Found uninstall string for $($app.Name), calling it now..."
                    Invoke-Expression "& $($app.metadata['UninstallString'])"
                }
            }
            Default {
                Write-Output "Uncertain what we should do with package $($app.Name) (Provider = $($app.ProviderName))"
            }
        }
    }
}