Represents the Position and Size on Screen of an Form poDesigned - The Form appears like it is positioned and sized in the designer. poDefault - The window manager decides how the form appear oDefaultPosOnly - Designed size and position form windowmanager DefaultSizeOnly - Designed position and size from windowmanager p creencenter - Centers the form on screen po sctopcenter - Centers the form on desktop poM nFormCenter - Centers the Form on mainform poOw rFormcenter - Centers the Form on owner form Represents the actual State of the Form wsNormal - The form appears normal wsMinimized - The form appears minimized sMaximized - The form appears maximized <link id="TCustomForm.OnClose">TCustomForm.OnClose</link> 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 Specifies wich icon appears on the top of the Form biSystemMenu - The form has a System menu (Maybe not all windowmanager supports this) biMinimize - The form has an minimize button iMaximize - The form has a maximize button Help - When you klick this button an Question Cursor appears and the help routines are called if you klick on an control Custom Form Custom Form - the base type for FORM Is true when the form has the focus Use active to check if the form has the focus Specifies the active control on the form Use this to get or set the active control on this form Specifies wich icons appear on th top of the form Use bordericons to get or set the icons that appear on the top of the form Specifies the appearence of the form Use borderstyle to get or set the appearance of the form Determinates the forms style Specifies the help file that is used by the form Specifies an mainmenu for this form Drop an tmainmenu on the form and select it here to show it on the form Specifies the return value of an modal form If the form is modal, then this is the return value Represents the scaling of the form in proportion to the screen resolution Indicates if the form is visible Set or get this to set the form visible/hidden or get the status of the form Represents how the form appears on the screen Form Form - the fundamental visual object that appears in every GUI application Specifies the control that has the focus on the form Use activecontrol to set or get the control that has the focus on this form 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 Specifies wich style the form border has 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

Can be one of the following values:

IDOK
IDCANCEL
IDABORT
IDRETRY
IDIGNORE
IDYES
IDNO
IDCLOSE
IDHELP 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.

The following button constants are available:

MB_OK
MB_OKCANCEL
MB_ABORTRETRYIGNORE
MB_YESNOCANCEL
MB_YESNO
MB_RETRYCANCEL

And the following icon constants:

MB_ICONHAND
MB_ICONQUESTION
MB_ICONEXCLAMATION
MB_ICONASTERICK
MB_ICONWARNING = MB_ICONEXCLAMATION
MB_ICONERROR = MB_ICONHAND
MB_ICONSTOP = MB_ICONHAND
MB_ICONINFORMATION = MB_ICONASTERICK

These constants are declared on the LCLType unit. Application Properties Application Properties: The properties of the current application Data Module Data Module: for interfacing to the database