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

TMemo

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

TMemo - a box for entry or display of multiple lines of text

Declaration

Source position: stdctrls.pp line 902

type TMemo = class(TCustomMemo)

published

  property Align;

  

Used to align the control to the top, bottom, left or right of its client.

  property Alignment;

  

Alignment - whether text is centered, left- or right-justified

  property Anchors;

  

The set of anchor definitions for this control

  property BidiMode;

  

BiDiMode - enabling bi-directional writing

  property BorderSpacing;

  

Determines the border spacing for this control

  property BorderStyle;

  

BorderStyle - none, or single

  property CharCase;

  property Color;

  

Determine the colour for the current control

  property Constraints;

  

Determine Constraints (max and min height and width) for this control

  property DragCursor;

  

DragCursor - the style of cursor to be used during the Drag process

  property DragKind;

  property DragMode;

  

DragMode - whether manual or automatic

  property Enabled;

  

Whether the control is Enabled (read/write). If not, it usually appears 'greyed-out'

  property Font;

  

The font to be used for text in this control (read/write).

  property HideSelection;

  property Lines;

  

Lines : an array of strings (single lines of characters) which contains the text held or being entered in the Memo

  property MaxLength;

  

MaxLength: maximum length allowed for text string

  property OnChange;

  

OnChange - event handler for any change in text

  property OnClick;

  

Event Handler for mouse click

  property OnContextPopup;

  

Event handler to supply information when a context-sensitive pop-up menu is required

  property OnDblClick;

  

Event Handle for mouse double-click

  property OnDragDrop;

  

Event handler for the drop of a control onto this control.

  property OnDragOver;

  

Event handler for the case when a control is dragged over another control

  property OnEditingDone;

  

Event handler when editing is done

  property OnEndDrag;

  

Event handler for the end of a dragging process

  property OnEnter;

  

OnEnter - event handler for when the mouse enters the control, and the control receives focus

  property OnExit;

  

OnExit - event handler for when the mouse leaves the control and it loses focus

  property OnKeyDown;

  

OnKeyDown - event handler for instance when key is down while control has focus

  property OnKeyPress;

  

OnKeyPress - event controller for a key being pressed while the control has focus. To properly handle national chars use UTF8KeyPress instead.

  property OnKeyUp;

  

OnKeyUp - event handler for instance when a key is up (not pressed) while the control has focus

  property OnMouseDown;

  

Event handler for when a mouse button is pressed down

  property OnMouseEnter;

  

Event handler for when the mouse enters the area of the current control

  property OnMouseLeave;

  

Event handler for when the mouse leaves the area of the current control

  property OnMouseMove;

  

Event handler for mouse movement within the current control

  property OnMouseUp;

  

Event handler for when the mouse button is released, ie "up"

  property OnMouseWheel;

  

OnMouseWheel - event handler for a movement of the mouse wheel

  property OnMouseWheelDown;

  

OnMouseWheelDown - event handler for downward movement of mouse wheel

  property OnMouseWheelUp;

  

OnMouseWheelUp - event handler for upward movement of mouse wheel

  property OnStartDrag;

  

Event handler for start of dragging operation

  property OnUTF8KeyPress;

  

UTF8KeyPress - event controller for a key being pressed while the control has focus.

  property ParentBidiMode;

  

ParentBiDiMode - does the control follow the BiDiMode settings of its parent?

  property ParentColor;

  

ParentColor - should the control have the same colour as the parent? Default is true

  property ParentFont;

  

ParentFont - should the control use the same font as the parent? Default is true

  property PopupMenu;

  

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

  property ParentShowHint;

  

ParentShowHint - does the control adopt the same hinting behaviour as its parent? Default is true

  property ReadOnly;

  

ReadOnly - the contents of the edit box may only be read, not written or erased

  property ScrollBars;

  

Whether the Memo has ScrollBars - none, horizontal or vertical or both, or automatically placed if needed

  property ShowHint;

  

Flag to determine: Is hint to be displayed for this control?

  property TabOrder;

  

The place this control occupies in the list of tabs

  property TabStop;

  

Is the control in the sequence of controls accessed by successive presses of the Tab key?

  property Visible;

  

Visible - can the control be seen?

  property WantReturns;

  

Whether Return characters are required to be included in the memo

  property WantTabs;

  

Whether Tab characters are required to be retained in the Memo

  property WordWrap;

  

Is WordWrap enabled, allowing long words to be carried on to the next line?

end;

Inheritance

TMemo

  

TMemo - a box for entry or display of multiple lines of text

|

TCustomMemo

  

TCustomMemo : the base class for TMemo

|

TCustomEdit

  

TCustomEdit : the base type from which the TEdit Box is derived.

|

TWinControl

|

TControl

|

TLCLComponent

  

TLCLComponent - base class for LCL components

|

TComponent,IUnknown,IInterfaceComponentReference

|

TPersistent

|

TObject

Description

TMemo - a box for entry or display of multiple lines of text.

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

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