TScreen

type TScreen = class(TLCLComponent)

protected

  function GetHintFont; virtual;

GetHintFont - find the correct font for displaying Hints

  function GetIconFont; virtual;

  function GetMenuFont; virtual;

  function GetSystemFont; virtual;

public

  constructor Create(); override;

Create - constructor for TScreen: performs inherited Create then creates and initialises lists of fonts, strings and forms

  destructor Destroy; override;

Destroy - destructor for TForm: frees various lists then performs inherited Destroy

  function CustomFormIndex();

The Index number of a Custom Form on the screen

  function FormIndex();

The index number of a Form on the Screen

  function CustomFormZIndex();

CustomFormZIndex - the index value of the form in the Z dimension (Front to Back)

  procedure MoveFormToFocusFront();

MoveFormToFocusFront - move the specified form to the front of the focus

  procedure MoveFormToZFront();

MoveFormToZFront - move form to front in the Z-plane (does not specify whether focused)

  function GetCurrentModalForm;

GetCurrentModalForm - returns the current Modal form on the current screen (ie a form that is awaiting a user response)

  function GetCurrentModalFormZIndex;

GetCurrentModalFormZIndex - returns the Z-plane index of the current modal form

  function CustomFormBelongsToActiveGroup();

CustomFormBelongsToActiveGroup - returns True if the specified form belongs to the active group

  function FindNonDesignerForm();

  function FindForm();

FindForm - returns the form with the specified name

  function FindNonDesignerDataModule();

  function FindDataModule();

FindDataModule - returns the Data Module with the specified name

  procedure UpdateScreen;

Method for updating screen

  procedure RemoveAllHandlersOfObject(); override;

RemoveAllHandlersOfObject - method for removing all of an object's handlers: part of a clean-up procedure

  procedure AddHandlerFormAdded();

AddHandlerFormAdded - method for adding a form-adding handler

  procedure RemoveHandlerFormAdded();

RemoveHandlerFormAdded - method for removing a form-adding handler

  procedure AddHandlerRemoveForm();

AddHandlerRemoveForm - method for adding a form-removing handler

  procedure RemoveHandlerRemoveForm();

RemoveHandlerRemoveForm - method for removing a form-removing handler

  procedure AddHandlerActiveControlChanged();

AddHandlerActiveControlChanged - method for adding a handler for a change in the active control

  procedure RemoveHandlerActiveControlChanged();

RemoveHandlerActiveControlChanged - method for removing a handler for a change in the active control

  procedure AddHandlerActiveFormChanged();

AddHandlerActiveFormChanged - method for adding a handler for a change in active form

  procedure RemoveHandlerActiveFormChanged();

RemoveHandlerActiveFormChanged - method for removing a handler for a change in active form

  procedure AddHandlerFormVisibleChanged();

  procedure RemoveHandlerFormVisibleChanged();

  function DisableForms();

DisableForms - disable all forms except SkipForm. If DisabledList is available then add forms to that list and return it, otherwise return new list. Used to show forms and other dialogs modal

  procedure EnableForms();

EnableForms - enable all forms from AFormList and destroy list. Used to restore state after DisableForms

  function MonitorFromPoint();

  function MonitorFromRect();

  function MonitorFromWindow();

  property ActiveControl: TWinControl; [r]

The identity of the active control on this screen

  property ActiveCustomForm: TCustomForm; [r]

The identity of the active Custom Form on this screen

  property ActiveForm: TForm; [r]

The identity of the active Form on this Screen

  property Cursor: TCursor; [rw]

The cursor currently being used in this screen

  property Cursors: HCURSOR; [rw]

The indexed list of available cursors for this screen

  property CustomFormCount: Integer; [r]

The number of Custom Forms on this screen

  property CustomForms: TCustomForm; [r]

The list of Custom Forms on the screen

  property CustomFormZOrderCount: Integer; [r]

CustomFormZOrderCount - the number of forms arranged in Z-plane order (ie Front to Back)

  property CustomFormsZOrdered: TCustomForm; [r]

CustomFormsZOrdered - the forms arranged in Z-plane order (ie Front to Back)

  property DesktopHeight: Integer; [r]

The total available height of the desktop in which the screen is to be placed

  property DesktopWidth: Integer; [r]

The total available width of the desktop in which the screen is to be placed

  property FocusedForm: TCustomForm; [r]

FocusedForm - the form that holds Focus

  property FormCount: Integer; [r]

The number of Forms on this screen

  property Forms: TForm; [r]

The list of Forms in this Screen

  property DataModuleCount: Integer; [r]

The number of data modules on the screen

  property DataModules: TDataModule; [r]

The list of Data Modules

  property HintFont: TFont; [rw]

The font to be used to display hints

  property IconFont: TFont; [rw]

  property MenuFont: TFont; [rw]

  property SystemFont: TFont; [rw]

  property Fonts: TStrings; [r]

The fonts to be used in this screen

  property Height: Integer; [r]

The height of the screen

  property MonitorCount: Integer; [r]

MonitorCount - returns a number of monitors

  property Monitors: TMonitor; [r]

Monitors - provides access to the monitor list array

  property PixelsPerInch: Integer; [r]

Scaling factor for displaying graphic information on the screen

  property PrimaryMonitor: TMonitor; [r]

PrimaryMonitor - return the primary monitor of the system

  property Width: Integer; [r]

The width of the screen

  property OnActiveControlChange: TNotifyEvent; [rw]

Event handler for change in the active control

  property OnActiveFormChange: TNotifyEvent; [rw]

Event handler for a change in the active form on the screen

end;

TScreen

Screen - the visible area

TLCLComponent

TLCLComponent - base class for LCL components

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject