Sets a new error handler that can be one of standard handlers or a custom handler that has the certain interface. The handler takes the same parameters as cvError function. If the handler returns non-zero value, the program is terminated, otherwise, it continues. The error handler may check the current error mode with cvGetErrMode to make a decision.

public static IntPtr cvRedirectError(
	IntPtr errorHandler,
	IntPtr userdata,
	IntPtr prevUserdata
)

Public Shared Function cvRedirectError ( _
	errorHandler As IntPtr, _
	userdata As IntPtr, _
	prevUserdata As IntPtr _
) As IntPtr

public:
static IntPtr cvRedirectError(
	IntPtr errorHandler, 
	IntPtr userdata, 
	IntPtr prevUserdata
)