Delphi Cookbook - Third Edition

How to do it...

Style manipulation at runtime is done using the class methods of the TStyleManager class. Follow these steps to change the style of your VCL application at runtime:

1. Create a brand new VCL application and add the Vcl.Themes and Vcl.Styles units to the main form's implementation uses section. These units are required to use VCL styles at runtime.
2. Drop on the form a TListBox, two TButton, and a TOpenDialog. Leave the default component names.
3. Go to Project | Appearance and select eight styles of your choice from the list. Leave the Default style as Windows.
4. The TStyleManager.StyleNames property contains the names of all the available styles. In the FormCreate event handler, we have to load the already linked styles present in ...