API:Vcl.Forms

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Classes

IDesignerHook	IDesignerHook is an interface that allows component writers to interact with the form designer in the IDE.
IOleForm	IOleForm is designed to communicate with OLE containers. To embed a VCL form in an OLE container, CodeGear recommends using ActiveForms and TOleControl instead of IOleForm.
TApplication	TApplication is the type used for a GUI windowed application.
TChangeScaleMessage
TControlScrollBar	TControlScrollBar displays a horizontal or vertical scroll bar.
TCustomActiveForm	TCustomActiveForm is the base class for Active Forms.
TCustomDockForm	TCustomDockForm is the default floating dock site class for TControl objects.
TCustomForm	TCustomForm is the base class from which to derive a window such as a form or dialog.
TCustomFormClass	TCustomFormClass defines the metaclass for TCustomForm.
TCustomFrame	TCustomFrame is the base class from which TFrame descends.
TCustomFrameClass	TCustomFrameClass defines the metaclass for TCustomFrame.
TForm	TForm represents a standard application window (form).
TFormClass	TFormClass defines the metaclass for TForm.
TFormStyleHook
TFrame	TFrame is a container for components; it can be nested within forms or other frames.
TGlassFrame	TGlassFrame controls Windows Vista or Windows 7 Aero glass effects.
TMonitor	TMonitor represents a monitor on which an application runs.
TScreen	TScreen represents the state of the screen in which an application runs.
TScrollBox	TScrollBox represents a scrolling area (a scroll box) in a window.
TScrollBoxStyleHook
TScrollingStyleHook
TScrollingWinControl	TScrollingWinControl is the base class for controls that support scrolling.

Routines

DisableTaskWindows	Processes the WM_ENABLE message on disabled windows.
DoneCtl3D (deprecated)	Finalizes CTL3D support for Windows NT 3.51. This method is deprecated.
EnableTaskWindows	Processes the WM_ENABLE message on disabled windows.
ForegroundTask	Indicates whether the current thread is running in the foreground.
GetParentForm	Returns the form or property page that contains a specified control.
InitCtl3D (deprecated)	Initializes CTL3D support for Windows NT 3.51. This method is deprecated.
IsAccel	Indicates whether a particular character is an accelerator character (or hot key) within a given menu caption or other text string.
KeyboardStateToShiftState	Convert array of virtual keys to TShiftState.
KeyDataToShiftState	Convert keyboard message data to TShiftState.
KeysToShiftState	Convert mouse event parameter to TShiftState.
RestoreFocusState	Restores the window's focus state.
SaveFocusState	Saves the window's focus state.
SetAutoSubClass (deprecated)	This method is deprecated.
Subclass3DDlg (deprecated)	This method is deprecated.
Subclass3DWnd (deprecated)	This method is deprecated.
ValidParentForm	Returns the form or property page that contains a specified control.

Types

PCursorRec	Pointer to TCursorRec.
PHintInfo	PHintInfo declares a pointer to a Help Window appearance record.
TActiveFormBorderStyle	Specifies the style of an active form's border.
TBorderIcon	TBorderIcon specifies the buttons that appear on the title bar of a form window.
TBorderIcons	TBorderIcons specifies the buttons that appear on the title bar of a form window.
TBorderStyle	TBorderStyle is the type of the BorderStyle property for framed controls.
TCloseAction	TCloseAction describes how a form should respond when it is closed.
TCloseEvent	TCloseEvent is the type of a form's OnClose event handle.
TCloseQueryEvent	TCloseQueryEvent is used for event handlers that are called when a window is about to close.
TCMHintShowPause	Record that specifies the duration that a hint is displayed.
TCursorRec	Record that holds information about a cursor in a list.
TCursorRecType	Alias for PCursorRec.
TDefaultMonitor	Specifies the monitor on which the form appears.
TExceptionEvent	TExceptionEvent is the type of event handlers that respond when the application traps an unhandled exception.
TFocusState	Reference to Integer or Pointer.
TFormBorderStyle	TFormBorderStyle is the type of the BorderStyle property for windows-only forms and TBorderStyle is the type of the BorderStyle property for other controls in windows-only applications.
TFormState	TFormState describes the possible state of a form.
TFormStyle	TFormStyle describes form style.
TGetHandleEvent	TGetHandleEvent is the type of an OnGetActiveFormHandle event handler.
THelpEvent	THelpEvent is the type of an OnHelp event handler.
THelpEventData	Internally used by THelpEvent.
THintInfo	Vcl.Forms.THintInfo is used to define the appearance and behavior of the Help window.
TIdleEvent	TIdleEvent is the type of event handler that perform actions when the application is idle.
TMessageEvent	TMessageEvent is the type of an OnMessage event handler.
TMonitorDefaultTo	TMonitorDefaultTo specifies which monitor to select when there is no match to the specified criteria.
TMonitorDpiChangedEvent
TPopupForm	Stores information for a pop-up.
TPopupFormArray	An array of pop-up forms.
TPopupMode	TPopupMode enumerates the possible values of a Form's PopupMode property.
TPopupWnd	Record that describes a pop-up window.
TPopupWndArray	An array of pop-up windows.
TPosition	TPosition describes the positioning of a form.
TPrintScale	Represents the proportions of a printed form.
TScrollBarInc	TScrollBarInc represents a number of logical units on a TControlScrollBar.
TScrollBarKind	TScrollBarKind indicates the orientation of a scrollbar.
TScrollBarStyle	TScrollBarStyle specifies a scroll bar style.
TSetLayeredWindowAttributes	Function used to set the layered window's attributes.
TSettingChangeEvent	TSettingChangeEvent is the type of an OnSettingChange event handler.
TShortCutEvent	TShortCutEvent is the type of an OnShortCut event handler.
TShowAction	Enumeration of form show actions.
TShowHintEvent	TShowHintEvent is the type of the OnShowHint event handler.
TTaskWindowList	Internally used for EnableTaskWindows and DisableTaskWindows.
TTileMode	Represents how MDI child forms are arranged when the Tile method is called.
TTimerMode	Enumeration of hint timer modes.
TWindowHook	TWindowHook is the type for a dialog procedure.
TWindowState	TWindowState indicates whether a form is maximized, minimized, or normally sized.
Vcl_Forms

Variables

Application	Represents application-level information.
Ctl3DBtnWndProc	Internally used for former CTL3D support in Windows NT 3.51.
Ctl3DCtlColorEx	Handles the WM_CTLCOLOR message for applications that use CTL3D.
Ctl3DDlgFramePaint	Function used to paint the CTL3D dialog frames.
HintWindowClass	Specifies the class for the window used to display Help Hints.
Screen	Represents a screen device.
SetLayeredWindowAttributes	Variable of type TSetLayeredWindowAttributes.