Function SetDefaultCursor

* \fn HCURSOR SetDefaultCursor(HCURSOR hcsr) * \brief Changes the current cursor, and set it as the default cursor. * * This function changes the current cursor to be \a hcsr, and set it as * the default cursor. * * \param hcsr The expected cursor handle. * \return The old cursor handle. * * \note This function defined as a macro calling \a SetCursorEx with * passing \a set_def as TRUE.