MessageBoxFunction variable
Provides the routine used to display a message dialog in widgetset implementations.
Declaration
MessageBoxFunction: TMessageBoxFunction = NilDescription
Normally contains a reference to the DefaultMessageBox function.
It may have another function reference assigned to the variable in specific
widgetset implementations (such as CustomDraw controls).
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.