The module contained in the DevExpress.ExpressApp.FileAttachment.Win.v18.1.dll assembly.
public sealed class FileAttachmentsWindowsFormsModule : ModuleBase, ISupportSetup, IFileDataManager
The File Attachments Module comprises two assemblies:
Contains classes that are required in Windows Forms applications only.
This assembly represents a module, since it contains the FileAttachmentsWindowsFormsModule class - a descendant of the ModuleBase class.
Contains classes that are required in ASP.NET applications only.
This assembly represents a module, since it contains the FileAttachmentsAspNetModule class - a descendant of the ModuleBase class.
The FileAttachmentsWindowsFormsModule class exposes properties whose values determine the behavior of Windows Forms specific file attachment features. To set these properties, select the FileAttachmentsWindowsFormsModule component in the Application Designer's Modules section, and use the Properties window.