emits a MSG_KEYPRESSED message when a key is pressed during
the showing period. Also, closes before the show time has run
out if the user clicks on the screen.
duration -- milliseconds to display the splash screen
bitmap -- absolute or relative pathname or wxBitmap object. If
no value is passed, an empty bitmap of size 200x200 is created
versionInfo -- string containing version information which is to
be showed on the splash screen
versionPosition -- indicates where to put the version string on
the bitmap. 2-tuple of floats, the first indicating placement in
x direction as a fraction of the bitmap width, the second placement
in y direction as a fraction of the bitmap height
registrationInfo -- string containing information about the user
that is being registered to use this application (not yet
implemented)
registrationPosition -- determines the position of the
registration string the same way as versionPosition does for the
version string