Serialisation d'une image

bonjour,

je voudrais savoir s'il est possible de serialiser un objet   Image   (System.Drawing)  d'ou je prends la source
sur un fichier du type *.jpg

Sinon comment je peux faire transmettre une image via un webservice ou en remoting ?

merci

il faut que tu l'encodes en String64 pour pouvoir la sérialiser

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Sébastien FERRAND
Blog : http://blogs.developpeur.org/sebmafate

ooopsss... j'avais pas vu

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Sébastien FERRAND
Blog : http://blogs.developpeur.org/sebmafate

Bonjour,

Vous notez ici que l'attribut Image est Serializable, mais quand j'essaie de mettre ça comme valeur de retour pour un webservice, j'obtient cette erreur à l'appel de la fonction :

System.InvalidOperationException: There was an error generating the XML document. ---> System.InvalidOperationException: The type System.Drawing.Bitmap was not expected. Use the XmlInclude or SoapInclude attribute to specify types that are not known statically.
   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriter1.Write4_Image(String n, String ns, Image o, Boolean isNullable, Boolean needType)
   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriter1.Write6_Image(Object o)
   at Microsoft.Xml.Serialization.GeneratedAssembly.ImageSerializer.Serialize(Object objectToSerialize, XmlSerializationWriter writer)
   at System.Xml.Serialization.XmlSerializer.Serialize(XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
   --- End of inner exception stack trace ---
   at System.Xml.Serialization.XmlSerializer.Serialize(XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
   at System.Xml.Serialization.XmlSerializer.Serialize(XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle)
   at System.Xml.Serialization.XmlSerializer.Serialize(XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces)
   at System.Xml.Serialization.XmlSerializer.Serialize(TextWriter textWriter, Object o, XmlSerializerNamespaces namespaces)
   at System.Xml.Serialization.XmlSerializer.Serialize(TextWriter textWriter, Object o)
   at System.Web.Services.Protocols.XmlReturnWriter.Write(HttpResponse response, Stream outputStream, Object returnValue)
   at System.Web.Services.Protocols.HttpServerProtocol.WriteReturns(Object[] returnValues, Stream outputStream)
   at System.Web.Services.Protocols.WebServiceHandler.WriteReturns(Object[] returnValues)
   at System.Web.Services.Protocols.WebServiceHandler.Invoke()

				Il faut ajouter qqchose à part le return de mon image ???
		

Nelson