Patrick Rein uploaded a new version of Network to project The Trunk: http://source.squeak.org/trunk/Network-pre.227.mcz
==================== Summary ====================
Name: Network-pre.227 Author: pre Time: 13 October 2018, 2:40:22.865477 pm UUID: da02cd7c-dbe2-ca43-aff0-4d4fd183876e Ancestors: Network-tpr.226
Fixes a direct reference to the FileChooserDialog and replaces it with a call to UIManager.
=============== Diff against Network-tpr.226 ===============
Item was changed: ----- Method: MailComposition>>addAttachment (in category 'actions') ----- addAttachment
self saveFields. + (UIManager default chooseFileMatching: '*' label: 'Choose attachment') ifNotNil: - (FileChooserDialog openOn: FileDirectory default pattern: nil label: 'Choose attachment') ifNotNil: [:fileName | FileStream readOnlyFileNamed: fileName do: [:file | file binary. mailMessage addAttachmentFrom: file withName: (FileDirectory localNameFor: fileName)]. self changed: #messageText]. !