求一个简单的edit 的vcl
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published
property Anchors;
property AutoSelect;
property AutoSize;
property BevelEdges;
property BevelInner;
property BevelKind default bkNone;
property BevelOuter;
property BiDiMode;
property BorderStyle;
property CharCase;
property Color;
property Constraints;
property Ctl3D;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font;
property HideSelection;
property ImeMode;
property ImeName;
property MaxLength;
property OEMConvert;
property ParentBiDiMode;
property ParentColor;
property ParentCtl3D;
property ParentFont;
property ParentShowHint;
property PasswordChar;
property PopupMenu;
property ReadOnly;
property ShowHint;
property TabOrder;
property TabStop;
property Text;
property Visible;
property OnChange;
property OnClick;
property OnContextPopup;
property OnDblClick;
property OnDragDrop;
property OnDragOver;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnKeyDown;
property OnKeyPress;
property OnKeyUp;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnStartDock;
property OnStartDrag;
end;
private
FMaxLength: Integer;
FBorderStyle: TBorderStyle;
FPasswordChar: Char;
FReadOnly: Boolean;
FAutoSize: Boolean;
FAutoSelect: Boolean;
FHideSelection: Boolean;
FOEMConvert: Boolean;
FCharCase: TEditCharCase;
FCreating: Boolean;
FModified: Boolean;
FOnChange: TNotifyEvent;
procedure AdjustHeight;
function GetModified: Boolean;
function GetCanUndo: Boolean;
procedure SetBorderStyle(Value: TBorderStyle);
procedure SetCharCase(Value: TEditCharCase);
procedure SetHideSelection(Value: Boolean);
procedure SetMaxLength(Value: Integer);
procedure SetModified(Value: Boolean);
procedure SetOEMConvert(Value: Boolean);
procedure SetPasswordChar(Value: Char);
procedure SetReadOnly(Value: Boolean);
procedure SetSelText(const Value: string);
procedure UpdateHeight;
procedure WMSetFont(var Message: TWMSetFont); message WM_SETFONT;
procedure CMCtl3DChanged(var Message: TMessage); message CM_CTL3DCHANGED;
procedure CMEnter(var Message: TCMGotFocus); message CM_ENTER;
procedure CMFontChanged(var Message: TMessage); message CM_FONTCHANGED;
procedure CNCommand(var Message: TWMCommand); message CN_COMMAND;
procedure CMTextChanged(var Message: TMessage); message CM_TEXTCHANGED;
procedure WMContextMenu(var Message: TWMContextMenu);
message WM_CONTEXTMENU;
protected
procedure Change; dynamic;
procedure CreateParams(var Params: TCreateParams); override;
procedure CreateWindowHandle(const Params: TCreateParams); override;
procedure CreateWnd; override;
procedure DestroyWnd; override;
procedure DoSetMaxLength(Value: Integer); virtual;
function GetSelLength: Integer; virtual;
function GetSelStart: Integer; virtual;
function GetSelText: string; virtual;
procedure SetAutoSize(Value: Boolean); override;
procedure SetSelLength(Value: Integer); virtual;
procedure SetSelStart(Value: Integer); virtual;
property AutoSelect: Boolean read FAutoSelect write FAutoSelect default True;
property AutoSize: Boolean read FAutoSize write SetAutoSize default True;
property BorderStyle: TBorderStyle read FBorderStyle write SetBorderStyle default bsSingle;
property CharCase: TEditCharCase read FCharCase write SetCharCase default ecNormal;
property HideSelection: Boolean read FHideSelection write SetHideSelection default True;
property MaxLength: Integer read FMaxLength write SetMaxLength default 0;
property OEMConvert: Boolean read FOEMConvert write SetOEMConvert default False;
property PasswordChar: Char read FPasswordChar write SetPasswordChar default #0;
property ParentColor default False;
property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
public
constructor Create(AOwner: TComponent); override;
procedure Clear; virtual;
procedure ClearSelection;
procedure CopyToClipboard;
procedure CutToClipboard;
procedure DefaultHandler(var Message); override;
procedure PasteFromClipboard;
procedure Undo;
procedure ClearUndo;
function GetSelTextBuf(Buffer: PChar; BufSize: Integer): Integer; virtual;
procedure SelectAll;
procedure SetSelTextBuf(Buffer: PChar);
property CanUndo: Boolean read GetCanUndo;
property Modified: Boolean read GetModified write SetModified;
property SelLength: Integer read GetSelLength write SetSelLength;
property SelStart: Integer read GetSelStart write SetSelStart;
property SelText: string read GetSelText write SetSelText;
property Text;
published
property TabStop default True;
end;
你不说自己要加什么方法,别人怎么给你写呀?
这是最简单的类的继承,基本上每本书上都有例子的...