Exception in Scroll Bar
Exception class for Scroll Bar
Control Scroll Bar
Control Scroll Bar: Scroll Bar control for adding to windows. Can be horizontal or vertical.
Scrolling Window Control
Scrolling Window Control: A window control with scroll bars
Scroll Box
Scroll Box: A box with scroll bars
Custom Frame
Custom Frame: The base type for Frame
Frame
Frame - a container for all the other components on a form, or for a group of components within a form
Custom Form
Custom Form - the base type for FORM
Form
Form - the fundamental visual object that appears in every GUI application
Hint Window
Hint Window - the popup box containing helpful information that appears when the mouse pointer hovers over an object
Screen
Screen - the visible area
Application
Application - the whole current program, described as an object.

Includes useful function MessageBox, a simple dialog
Queues a given method after all other events have been processed.
Message Box
Message Box: a useful function to display a message.
The function returns an integer value corresponding to the button that was pressed; its value can be determined by reference to the constants [IDOK..IDHELP]

It can be invoked like a procedure call (ie as a 'MessageBox()' statement rather than as a 'Variable := MessageBox()' function call)
Result
Result: integer value returned by the function to signify which box was selected
Text
Text: the string that is displayed as a prompt or instruction in the Box;
Caption
Caption: the string label at the top of the message box;
Flags
Flags: longint - an integer constructed by adding together various constants to define the contents and behaviour of the box, for example
MB_ABORTRETRYIGNORE + MR_ICONQUESTION will cause the application to display a query (?) icon in a box with three buttons:
ABORT RETRY IGNORE.
Application Properties
Application Properties: The properties of the current application
Data Module
Data Module: for interfacing to the database