ProgressCallback Delegate

public delegate void ProgressCallback(
	string fileName,
	int progressPercentage,
	long progressBytes
)

Public Delegate Sub ProgressCallback ( 
	fileName As String,
	progressPercentage As Integer,
	progressBytes As Long
)

public delegate void ProgressCallback(
	String^ fileName, 
	int progressPercentage, 
	long long progressBytes
)

type ProgressCallback = 
    delegate of 
        fileName : string * 
        progressPercentage : int * 
        progressBytes : int64 -> unit