[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'StdCtrls' (#lcl)

TMemo

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Control for editable multi-line text.

Declaration

Source position: stdctrls.pp line 969

type TMemo = class(TCustomMemo) end;

published

  property Align: TAlign;

  

Specifies the placement of the control inside its Parent.

  property Alignment: TAlignment;

  property Anchors: TAnchors;

  

The set of anchor definitions for this control.

  property BidiMode: TBiDiMode;

  

Customization (of text controls) in bidirectional reading environments.

  property BorderSpacing: TControlBorderSpacing;

  

Determines the inner and outer border spacing for this control.

  property BorderStyle: TBorderStyle;

  

Allows to show a border (line) around the control,

  property CharCase: TEditCharCase;

  property Color: TColor;

  

The background color of the control.

  property Constraints: TSizeConstraints;

  

The minimal and maximal Width and Height of this control.

  property DragCursor: TCursor;

  

The cursor shape shown while the control is dragged.

  property DragKind: TDragKind;

  

The operation when the control is dragged - Drag or Dock.

  property DragMode: TDragMode;

  

Allows the user to drag the control.

  property Enabled: Boolean;

  

Determines whether the control reacts on mouse or keyboard input.

  property Font: TFont;

  

The font to be used for text display in this control.

  property HideSelection: Boolean;

  property Lines: TStrings;

  

An array with one string for every line (paragraph) in the control. Whilst it type is TStrings you cannot store Objects inside it.

  property MaxLength: Integer;

  

The maximum length of the text; zero for unlimited.

  property OnChange: TNotifyEvent;

  

Event handler for any change in text.

  property OnClick: TNotifyEvent;

  

Notification handler for mouse clicks.

  property OnContextPopup: TContextPopupEvent;

  

Invoked when a context-sensitive pop-up menu is requested.

  property OnDblClick: TNotifyEvent;

  

Event Handler for double mouse clicks.

  property OnDragDrop: TDragDropEvent;

  

This handler determines the action on an drop onto this control, in a drag-drop operation.

  property OnDragOver: TDragOverEvent;

  

Event handler for a control being dragged over this control.

  property OnEditingDone: TNotifyEvent;

  

Event handler when editing is done.

  property OnEndDrag: TEndDragEvent;

  

Notification handler for the end of a dragging operation.

  property OnEnter: TNotifyEvent;

  

Handler for control receiving the focus.

  property OnExit: TNotifyEvent;

  

Handler for control loosing the focus. This is a good place for checking the finished user input.

  property OnKeyDown: TKeyEvent;

  

Handler for keyboard key pressed.

  property OnKeyPress: TKeyPressEvent;

  

Handler for a character entered by the user.

  property OnKeyUp: TKeyEvent;

  

Handler for keyboard key released.

  property OnMouseDown: TMouseEvent;

  

Event handler for mouse button going down.

  property OnMouseEnter: TNotifyEvent;

  

Event handler for mouse entering the area of the control.

  property OnMouseLeave: TNotifyEvent;

  

Event handler for mouse leaving the area of the control.

  property OnMouseMove: TMouseMoveEvent;

  

Event handler for mouse movement within the control.

  property OnMouseUp: TMouseEvent;

  

Event handler for mouse button going up.

  property OnMouseWheel: TMouseWheelEvent;

  

Event handler for mouse wheel turned.

  property OnMouseWheelDown: TMouseWheelUpDownEvent;

  

Notification handler for downward movement of mouse wheel.

  property OnMouseWheelUp: TMouseWheelUpDownEvent;

  

Notification handler for upward movement of mouse wheel.

  property OnStartDrag: TStartDragEvent;

  

Event handler for the start of a dragging operation.

  property OnUTF8KeyPress: TUTF8KeyPressEvent;

  

Handler for a character entered by the user.

  property ParentBidiMode: Boolean;

  

Allows to use the BiDiMode settings of Parent. Default is true.

  property ParentColor: Boolean;

  

If true, the Color of the control will be the same as the one from the Parent. Default is true.

  property ParentFont: Boolean;

  

If true, the Font of the control will be the same as the one from the Parent. Default is true.

  property PopupMenu: TPopupMenu;

  

A context-sensitive menu that pops up when the right mouse button is clicked over this control

  property ParentShowHint: Boolean;

  

If true, the value of ShowHint for the control will be the same as the one from the Parent. Default is true.

  property ReadOnly: Boolean;

  

Prevents the user from changing the text.

  property ScrollBars: TScrollStyle;

  

Adds vertical and/or horizontal scrollbars to the control.

  property ShowHint: Boolean;

  

Enables the Hint display.

  property TabOrder: TTabOrder;

  

Determines the sequence of controls, reachable when the user presses the Tab key.

  property TabStop: Boolean;

  

Allows the user to navigate to this control, by pressing the Tab key.

  property Visible: Boolean;

  

Allows to show or hide the control, and all of its children.

  property WantReturns: Boolean;

  

Allows the user to insert Return characters (line breaks) into the text.

  property WantTabs: Boolean;

  

Allows to enter Tab characters into the text.

  property WordWrap: Boolean;

  

Allows long logical lines (paragraphs) to wrap into multiple display lines.

Inheritance

TMemo

  

Control for editable multi-line text.

|

TCustomMemo

  

The base class for multi-line text controls.

|

TCustomEdit

  

The base class for controls presenting editable text.

|

TWinControl

  

The base class for controls which can contain other (child) controls.

|

TControl

  

The base class for visible controls.

|

TLCLComponent

  

The base class for LCL components associated with widgets.

|

TComponent

?

TObject

Description

The textual data is held as an array of strings in Lines, where it can be edited

See also

HowToUseStdCtrls

  

How to use StdCtrls, ComCtrls or ExtCtrls

TEdit

  

A control with a single line of editable text.

The latest version of this document can be found at lazarus-ccr.sourceforge.net.