BCGSuite for MFC
void CBCGPRadialMenuObject::SetAutorepeatMode ( int  nTimeDelay = 500)

Enables/disables radial menu autorepeat mode

Call this function to put a radial menu in the autorepeat mode. In this mode, the button constantly, until released, sends WM_COMMAND messages to the parent window with the interval specified by nTimeDelay.

To disable the autorepeat mode you should call this function with nTimeDelay set to 0.

nTimeDelaySpecifies the delay (in milliseconds) between messages