Is there a set of constants in the framework for all the standard content types?
Here is the complete list currently available in .NET Framework class library (aka base class library, BCL) System.Net.Http.dll
:
System.Net.Mime.MediaTypeNames.Application.Octet
for application/octet-streamSystem.Net.Mime.MediaTypeNames.Application.Pdf
for application/pdfSystem.Net.Mime.MediaTypeNames.Application.Rtf
for application/rtfSystem.Net.Mime.MediaTypeNames.Application.Soap
for application/soap+xml System.Net.Mime.MediaTypeNames.Application.Zip
for application/zip System.Net.Mime.MediaTypeNames.Image.Gif
for image/gifSystem.Net.Mime.MediaTypeNames.Image.Jpeg
for image/jpeg System.Net.Mime.MediaTypeNames.Image.Tiff
for image/tiff System.Net.Mime.MediaTypeNames.Text.Html
for text/htmlSystem.Net.Mime.MediaTypeNames.Text.Plain
for text/plain System.Net.Mime.MediaTypeNames.Text.RichText
for text/richtextSystem.Net.Mime.MediaTypeNames.Text.Xml
for text/xml