3D scene and a “frame graph” rendering methodology. A QML qt qml tutorial pdf describes a hierarchical object tree. These elements can be combined to build components ranging in complexity from simple buttons and sliders, to complete internet-enabled programs.
UI framework based on it. These are all part of the Qt Declarative module, but the technology is no longer called Qt Declarative. QML dynamically for faster startup the next time it is run. Objects are specified by their type, followed by a pair of braces. Object types always begin with a capital letter.
Between the braces, one can specify information about the object, such as its properties. Properties are specified as property: value. The property and its value are separated by a colon. Each object can be given a special unique property called an id. Assigning an id enables the object to be referred to by other objects and scripts.