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navFormReceive returns information about a form that has been received from the navigation device.
Note that the received form is only valid after a "Form received" event is raised; the event will not be removed until the navFormReceiveDone function is called.
A "Form received" event is raised when a custom form is submitted by the user on the navigation device.
ready : BOOL
count : SINT
The number of valid items available in the form.
ID : DINT
The ID of the form that was received.
This is the value that is specified in navFormCreate when the form was created.
version : DINT
The version number of the received form.
submit_id : DINT
An unique ID for the received form. When a custom form is submitted multiple times, this can be used for keeping track of each submission.
time : DINT
The timestamp when the form was submitted.