MarkMessageDeleted Method
Sets a Deleted flag to the message.
Syntax
int MarkMessageDeleted(int iUID);
Remarks
Use this method to mark a message as deleted, then call PurgeMessages to remove all the marked messages from the server.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)