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NOTE: When the user taps on a warning icon, a message will be sent to the specified callback window
with the given parameters. The callback window is the top−level window with the given name. On the MS
Pocket PC, the message sent is the registered message with the given name, obtained by using the
Windows OS function "RegisterWindowMessage", and the two message parameters correspond to the
WPARAM and LPARAM fields of the message structure, respectively.
NOTE: TomTom Navigator will never show more than 3 warning icons. No matter how many icons
match the specified criteria, only the first three will be displayed and activated. Please note that each string
needs to be less than 256 characters, and this INCLUDES the zero−terminator.
7. Graphic Information Files
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