ICustomHooksOnBeforeUpload Method

void OnBeforeUpload(
	IUserWriteSession session,
	ref Stream uploadStream,
	ref string fileName,
	ref string targetPhysicalFolder
)

Sub OnBeforeUpload ( 
	session As IUserWriteSession,
	ByRef uploadStream As Stream,
	ByRef fileName As String,
	ByRef targetPhysicalFolder As String
)

void OnBeforeUpload(
	IUserWriteSession^ session, 
	Stream^% uploadStream, 
	String^% fileName, 
	String^% targetPhysicalFolder
)

abstract OnBeforeUpload : 
        session : IUserWriteSession * 
        uploadStream : Stream byref * 
        fileName : string byref * 
        targetPhysicalFolder : string byref -> unit