Adjust page size

GroupDocs.Viewer allows setting output page size for rendering Email messages into HTML, PDF, and images. To enable this feature, the PageSize property of the EmailOptions class is used. The following are the pages sizes that are supported and provided in PageSize enumeration:

Unspecified - The default, unspecified page size
Letter - The size of the Letter page in points is 792 × 612
Ledger - The size of the Ledger page in points is 1224 × 792
A0 - The size of the A0 page in points is 3371 × 2384
A1 - The size of the A1 page in points is 2384 × 1685
A2 - The size of the A2 page in points is 1684 × 1190
A3 - The size of the A3 page in points is 1190 × 842
A4 - The size of the A4 page in points is 842 × 595

The following are the steps to set size for email message:

Create HtmlViewOptions (or JpgViewOptions, or PngViewOptions, or PdfViewOptions) object;
Set EmailOptions.PageSize value;
Call View method.

using (Viewer viewer = new Viewer("sample.msg"))
{
    PdfViewOptions viewOptions = new PdfViewOptions();
    viewOptions.EmailOptions.PageSize = PageSize.A4;
    viewer.View(viewOptions);
}

More resources

View eMail Messages Online

Along with full-featured .NET library we provide simple but powerful free online Apps. View MSG and EML files online with GroupDocs Viewer App.

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

View E-Mail Messages Rename email fields