Some basic GUI-functions that may be used in many scripts
Import-Module "<path_to_folder_with_module>\gui_functions.psm1" -DisableNameChecking
Forms dialog to open file.
Get-Help Open-FileDialog -Full
Forms dialog to input some string.
Get-Help Open-InputBox -Full
MessageBox dialog.
Get-Help Show-MessageBox -Full
Forms dialog to save file.
Get-Help Save-FileDialog -Full