FileAttachmentsWindowsFormsModule.GetFileDataManager(XafApplication) Method

Provides access to the file data manager used by the FileAttachmentsWindowsFormsModule.

Namespace: DevExpress.ExpressApp.FileAttachments.Win

Assembly: DevExpress.ExpressApp.FileAttachment.Win.v24.2.dll

NuGet Package: DevExpress.ExpressApp.FileAttachment.Win

Declaration

C#

public static IFileDataManager GetFileDataManager(
    XafApplication application
)

VB.NET

Public Shared Function GetFileDataManager(
    application As XafApplication
) As IFileDataManager

Parameters

Name	Type	Description
application	XafApplication	An XafApplication object that provides methods and properties to manage the current application.

Returns

Type	Description
DevExpress.ExpressApp.FileAttachments.Win.IFileDataManager	An IFileDataManager object that can be used to open stored files using an associated application or to save them to a local disk.

Remarks

The following code snippet demonstrates an Action that opens all resume files. The Action is designed for List Views of the Resume business class, which is declared in the MainDemo installed in the %PUBLIC%\Documents\DevExpress Demos 24.2\Components\XAF\MainDemo folder, by default.

C#

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.ExpressApp.FileAttachments.Win;
//...
public class MyViewController : ViewController<ListView> {
    SimpleAction openSelectedDocuments;
    public MyViewController() {
        TargetObjectType = typeof(Resume);
        openSelectedDocuments = new SimpleAction(
            this, "OpenSelectedDocumentsAction", "RecordEdit", openSelectedDocuments_Execute);
        openSelectedDocuments.Caption = "Open Selected Documents";
        openSelectedDocuments.SelectionDependencyType = 
            SelectionDependencyType.RequireMultipleObjects;
    }
    void openSelectedDocuments_Execute(object sender, SimpleActionExecuteEventArgs e) {
        foreach (Resume resume in View.SelectedObjects) {
            if (resume.File != null) {
                FileAttachmentsWindowsFormsModule.GetFileDataManager(Application).Open(resume.File);
            }
        }
    }
}

VB.NET

Imports DevExpress.ExpressApp
Imports DevExpress.ExpressApp.Actions
Imports DevExpress.ExpressApp.FileAttachments.Win
'...
Public Class MyViewController
    Inherits ViewController(Of ListView)
    Private openSelectedDocuments As SimpleAction
    Public Sub New()
        TargetObjectType = GetType(Resume)
        openSelectedDocuments = New SimpleAction( _
        Me, "OpenSelectedDocumentsAction", "RecordEdit", AddressOf openSelectedDocuments_Execute)
        openSelectedDocuments.Caption = "Open Selected Documents"
        openSelectedDocuments.SelectionDependencyType = _
        SelectionDependencyType.RequireMultipleObjects
    End Sub
    Private Sub openSelectedDocuments_Execute( _
    ByVal sender As Object, ByVal e As SimpleActionExecuteEventArgs)
        For Each [resume] As [Resume] In View.SelectedObjects
            If [resume].File IsNot Nothing Then
                FileAttachmentsWindowsFormsModule.GetFileDataManager( _ 
                Application).Open([resume].File)
            End If
        Next [resume]
    End Sub
End Class