In this Qt6 lesson we want to learn about Qt6 QSlider, in Qt6 QSlider is a class that represents slider control that can be added to Qt application user interface. it is part of the Qt Widgets module which is one of the core modules of the Qt framework.
QSlider allows users to select value by dragging slider handle along the track. range of the slider can be customized to allow the user to select values within a specific range. QSlider is often used to control settings or parameters that have a continuous range of values.