Qt comes with a large range of standard widgets that users of modernapplications have come to expect.You can also develop your own custom widgets and controls, and use themalongside standard widgets.It is even possible to provide custom styles and themes for widgets that canbe used to change the appearance of standard widgets and appropriatelywritten custom widgets.The example launcher provided with Qt can be used to explore each of theexamples in this directory.Documentation for these examples can be found via the Tutorial and Exampleslink in the main Qt documentation.Finding the Qt Examples and Demos launcher==========================================On Windows:The launcher can be accessed via the Windows Start menu. Select the menuentry entitled "Qt Examples and Demos" entry in the submenu containingthe Qt tools.On Mac OS X:For the binary distribution, the qtdemo executable is installed in the/Developer/Applications/Qt directory. For the source distribution, it isinstalled alongside the other Qt tools on the path specified when Qt isconfigured.On Unix/Linux:The qtdemo executable is installed alongside the other Qt tools on the pathspecified when Qt is configured.On all platforms:The source code for the launcher can be found in the examples/tools/qtdemodirectory in the Qt package. This example is built at the same time as theQt libraries, tools, examples, and demonstrations.