Function getSaveFilePath

getSaveFilePath(
    title: string,
    defaultPath?: string,
    filter?: string,
): undefined | string
Query path of existing or non-existing file
Parameters
- title: string
  Dialog title
- defaultPath: string = ""
  Default directory for the dialog
- filter: string = ""
  Limit selectable files to defined file extentions
Returns undefined | string
Selected file path if successful; undefined else
- Defined in ts_lib/lib/gui_utils.ts:167