	Name	Description
	deviceResizeIsUsed	Indicates if max resize for mobile device is used.
	mAllowCache	If true, the caching is allowed.
	mCacheMinutes	Cache minutes
	mClientCacheMinutes	Client cache minutes
	mCompleted	Indicates whether request is completed
	mDocumentBase	Document base.
	mHeight	Height
	mMaxByteStream	Max. byte stream
	mMaxSideSize	Max. side size
	mResizeToDevice	Indicates whether resizing should be used for device
	mRevalidateClientCache	Indicates whether client cache should be revalidated
	mViewMode	View mode
	mWidth	Width
	useCacheItemName	Cache item name for the request.

	Name	Description
	AcceptRange	Indicates if resumable downloads should be supported for current file.
	AcceptRanges	Indicates whether range requests are enabled (ex. for resumable downloads). If false, the HTTP Handler ignores the Range HTTP Header and returns the entire contents.
	AllowCache	Returns true if the process allows cache.
	AllowClientCache	Returns true if client cache is allowed for the current request.
	AreRangesValid	Indicates whether ranges are valid. TRUE: ranges are valid or request is not range request FALSE: all other cases
	CacheItemName	Cache item name for current request.
	CacheMinutes	Cache minutes.
	ClientCacheMinutes	Cache minutes.
	Context	Returns the current context
	CurrentSite	Current site.
	CurrentSiteName	Current site name.
	CurrentUser	Current User.
	DataLength	Size of data.
	DocumentBase	Document base.
	ETag	HTTP header entity tag.
	ExcludedResumableExtensions	List of file extensions for which the resumable downloads are disabled.
	GetFileEndRequest	When true, the request is completed, when false, the Request.End is called.
	Height	Image height.
	IsLiveSite	Indicates if live site mode.
	IsMultipart	Indicates whether it is multipart range request.
	IsRangeRequest	Indicates whether it is range request.
	IsReusable	Indicates if handler is reusable.
	LogCommunicationExceptions	Whether to log exception caused by communication problems (e.g. when remote host closes the connection). Log exceptions has to be set to TRUE.
	LogExceptions	Logs the exceptions caused by the process.
	MaxByteStream	Maximum streaming speed in bytes per second.
	MaxSideSize	Image maximum side size.
	OutputDataCacheItemName	Cache item name for the file output data.
	RangeRegExp	The range from HTTP header regular expression.
	Ranges	2D Array in format {{START_RANGE,END_RANGE},{START_RANGE, END_RANGE}}.
	ResizeToDevice	Indicates if max side size parameter should be changes to device profile dimensions.
	Response	Returns the current response
	RevalidateClientCache	Cache minutes.
	Sender	Gets or sets sender object that is used for writing data to the response.
	ViewMode	View mode of the current page.
	Watermark	If set, watermark image is applied to the image. Name of the watermark image from ~/App_Themes/{theme}/Images/Watermarks
	WatermarkPosition	Watermark position.
	Width	Image width.

	Name	Description
	CompleteRequest	Completes the request.
	DisableDebugging	Disables all debugging for current page
	ETagsMatch	Responds with 304 Not Modified if ETags match and object has current timestamp.
	GetBaseCacheKey	Returns the base cache key (created with all parameters considered to be valid for proper caching).
	GetCacheDependency	Creates the cache dependency from the given keys.
	GetCachedOutputData	Gets the cached data for the current request.
	GetRange	Parses the range header from the request.
	HandleDeviceDimension	Handles max side size according to device profile dimensions.
	HandleDeviceResize	Changes MaxSideSize to device dimensions if device resizing is enabled.
	CheckRequiredMimeType	Checks if attachment mime type is allowed.
	IsExtensionExcludedFromRanges	Indicates if file with given extension is excluded from resumable downloads.
	LoadSiteName	Loads the site name from the query string.
	ProcessRequest	Processes the handler request
	ProcessRequestInternal	Processes the handler request
	RespondNotModified	Responds with the not modified code.
	SaveOutputDataToCache	Saves the data for current request to cache.
	SetCacheability	Sets the cache-ability with dependence on connection type IE browser doesn't support No-Cache if current connection is secured
	SetDisposition	Sets response header according to file type.
	SetResponseContentType	Sets content type of the response based on file MIME type
	SetRevalidation	Sets the revalidation of the client caches.
	SetTimeStamps	Sets the last modified and expires header to the response
	ValidateCulture	Validates the current request culture
	WriteBytes	Streams the byte array to the response.
	WriteFile	Streams the data file to the response.

Reference