VirtualSourceBase.Dispose() Method

Disposes of the source.

Namespace: DevExpress.Xpf.Data

Assembly: DevExpress.Xpf.Core.v23.2.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public void Dispose()

VB.NET

Public Sub Dispose

Remarks

View Example: How to Bind to InfiniteAsyncSource View Example: How to Bind to PagedAsyncSource

To dispose a virtual source:

• Handle the window’s Unloaded event.
• Call the Dispose method.

C#

public MainWindow() {
    // ... 
    Unloaded += (o, e) => {
        source.Dispose();
    };    
}

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Dispose() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-data-grid-bind-to-infiniteasyncsource/CS/InfiniteAsyncSourceSample/MainWindow.xaml.cs#L19

Unloaded += (o, e) => {
    source.Dispose();
};

wpf-data-grid-bind-to-pagedasyncsource/CS/PagedAsyncSourceSample/MainWindow.xaml.cs#L19

Unloaded += (o, e) => {
    source.Dispose();
};

wpf-data-grid-use-skip-tokens-to-optimize-paging-EF/CS/MainWindow.xaml.cs#L18

Unloaded += (o, e) => {
    source.Dispose();
};

wpf-data-grid-use-skip-tokens-to-optimize-paging/CS/MainWindow.xaml.cs#L19

Unloaded += (o, e) => {
    source.Dispose();
};

wpf-data-grid-bind-to-custom-service-with-restrictions/CS/MainWindow.xaml.cs#L20

Unloaded += (o, e) => {
    source.Dispose();
};

VB.NET

wpf-data-grid-bind-to-pagedasyncsource/VB/PagedAsyncSourceSample/MainWindow.xaml.vb#L17

Dim source = New PagedAsyncSource() With {.ElementType = GetType(IssueData), .PageNavigationMode = PageNavigationMode.ArbitraryWithTotalPageCount}
AddHandler Unloaded, Sub(o, e) source.Dispose()
AddHandler source.FetchPage, Sub(o, e) e.Result = FetchRowsAsync(e)

wpf-data-grid-use-skip-tokens-to-optimize-paging-EF/VB/MainWindow.xaml.vb#L16

Dim source = New InfiniteAsyncSource() With {.ElementType = GetType(IssueData)}
AddHandler Unloaded, Sub(o, e) source.Dispose()
AddHandler source.FetchRows, Sub(o, e)

wpf-data-grid-use-skip-tokens-to-optimize-paging/VB/MainWindow.xaml.vb#L15

Dim source = New PagedAsyncSource() With {.ElementType = GetType(IssueData)}
AddHandler Unloaded, Sub(o, e) source.Dispose()
AddHandler source.FetchPage, Sub(o, e) e.Result = FetchRowsAsync(e)

wpf-data-grid-bind-to-custom-service-with-restrictions/VB/MainWindow.xaml.vb#L18

Dim source = New InfiniteAsyncSource() With {.CustomProperties = GetCustomProperties()}
AddHandler Unloaded, Sub(o, e) source.Dispose()
AddHandler source.FetchRows, Sub(o, e) e.Result = FetchRowsAsync(e)

how-to-bind-to-odata/VB/MainWindow.xaml.vb#L17

AddHandler Me.Unloaded, Sub(o, e)
    source.Dispose()
End Sub