ExtensionToSaveFormat

FileFormatUtil.ExtensionToSaveFormat method

Converts a file name extension into a SaveFormat value.

public static SaveFormat ExtensionToSaveFormat(string extension)

Parameter	Type	Description
extension	String	The file extension. Can be with or without a leading dot. Case-insensitive.

Exceptions

exception	condition
ArgumentNullException	Throws if the parameter is null.

Remarks

If the extension cannot be recognized, returns Unknown.

Examples

Shows how to use the FileFormatUtil methods to detect the format of a document.

// Load a document from a file that is missing a file extension, and then detect its file format.
using (FileStream docStream = File.OpenRead(MyDir + "Word document with missing file extension"))
{
    FileFormatInfo info = FileFormatUtil.DetectFileFormat(docStream);
    LoadFormat loadFormat = info.LoadFormat;

    Assert.AreEqual(LoadFormat.Doc, loadFormat);

    // Below are two methods of converting a LoadFormat to its corresponding SaveFormat.
    // 1 -  Get the file extension string for the LoadFormat, then get the corresponding SaveFormat from that string:
    string fileExtension = FileFormatUtil.LoadFormatToExtension(loadFormat);
    SaveFormat saveFormat = FileFormatUtil.ExtensionToSaveFormat(fileExtension);

    // 2 -  Convert the LoadFormat directly to its SaveFormat:
    saveFormat = FileFormatUtil.LoadFormatToSaveFormat(loadFormat);

    // Load a document from the stream, and then save it to the automatically detected file extension.
    Document doc = new Document(docStream);

    Assert.AreEqual(".doc", FileFormatUtil.SaveFormatToExtension(saveFormat));

    doc.Save(ArtifactsDir + "File.SaveToDetectedFileFormat" + FileFormatUtil.SaveFormatToExtension(saveFormat));
}

See Also

• enum SaveFormat
• class FileFormatUtil
• namespace Aspose.Words
• assembly Aspose.Words