OnProgress event is fired during message transfer to notify application about sending progress.
Syntax
[Visual Basic]
Sub OnProgress(numMessageNumber As Long, numBytesSent As Long, numBytesTotal As Long)
[C#]
void OnProgress(int numMessageNumber, int numBytesSent, int numBytesTotal);
[C++]
void __cdecl OnProgress(LONG numMessageNumber, LONG numBytesSent, LONG numBytesTotal);
Parameters
numMessageNumber [in]
Message number returned from the SendAsync method.
numBytesSent [in]
Number of bytes transferred already.
numBytesTotal [in]
Total number of bytes in the message.
Return value
None.
Remarks
OnProgress is fired after block of data is transferred. In current version of AddEmail block size is 8 kilobytes. If the total number of bytes in the message is smaller than the block size, OnProgress event is not fired.