When there aren't interface guidelines defined for a particular platform or toolkit, wxStdDialogButtonSizer reverts to the Windows implementation.
To use this class, first add buttons to the sizer by calling add_button() and then call Realize in order to create the actual button layout used. Other than these special operations, this sizer works like any other sizer.
Adds a button to the wxStdDialogButtonSizer dbs.
The button must have one of the following identifiers:
Rearranges the buttons and applies proper spacing between buttons to make them match the platform or toolkit's interface guidelines.