Rockwell Automation ControlFLASH Firmware Upgrade Kit User Manual - Manual (Page 48)

48 Rockwell Automation Publication 1756-UM105E-EN-E - October 2012
Appendix B Create a Custom Interface to Process Firmware Downloads
In this tool, the progress messages are used to set the values of the progress bars,
and the complete messages are used to trigger the success and failure status
messages in the lower status box.
IMPORTANT At the end of your override of the WndProc method, you must call the base class'
WndProc method to handle any other messages sent, or your application will not
work.
Example:
MyBase.WndProc(recWinMessage)
End Sub