public delegate void ProcessingCallback(
	string fileName,
	bool parsingResult,
	double progress,
	Exception innerException,
	ref bool cancel
)

Public Delegate Sub ProcessingCallback ( 
	fileName As String,
	parsingResult As Boolean,
	progress As Double,
	innerException As Exception,
	ByRef cancel As Boolean
)

public delegate void ProcessingCallback(
	String^ fileName, 
	bool parsingResult, 
	double progress, 
	Exception^ innerException, 
	bool% cancel
)

type ProcessingCallback = 
    delegate of 
        fileName : string * 
        parsingResult : bool * 
        progress : float * 
        innerException : Exception * 
        cancel : bool byref -> unit