如何让EDIT中的文字右对齐？（在线等）

Question

如题。

Answer 1

用我写的组件就可以了
unit EditEx;// TEditEx --- LYSoft by Liu Yang 2002.12.5
// support Alignment propertyinterfaceuses Messages, Windows, SysUtils, Classes, Controls, Forms, StdCtrls;type
  TEditEx = class(TCustomEdit)
  private
    { Private declarations }
    FAlignment: TAlignment;
  protected
    { Protected declarations }
    procedure CreateParams(var Params: TCreateParams); override;
    procedure Loaded; override;
    procedure SetAlignment(Value: TAlignment);
  public
    { Public declarations }
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function GetControlsAlignment: TAlignment; override;
  published
    { Published declarations }
    property Alignment: TAlignment read FAlignment write SetAlignment default taLeftJustify;
    property Align;
    property Anchors;
    property BevelEdges;
    property BevelInner;
    property BevelKind default bkNone;
    property BevelOuter;
    property BiDiMode;
    property BorderStyle;
    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 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;procedure Register;implementationprocedure Register;
begin
  RegisterComponents('Custom', [TEditEx]);
end;constructor TEditEx.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  ParentBackground := False;
end;procedure TEditEx.CreateParams(var Params: TCreateParams);
const
  Alignments: array[Boolean, TAlignment] of DWORD =
    ((ES_LEFT, ES_RIGHT, ES_CENTER),(ES_RIGHT, ES_LEFT, ES_CENTER));
begin
  inherited CreateParams(Params);
  with Params do
  begin
    Style := Style or
      Alignments[UseRightToLeftAlignment, FAlignment];
  end;
end;destructor TEditEx.Destroy();
begin
  inherited Destroy();
end;function TEditEx.GetControlsAlignment: TAlignment;
begin
  Result := FAlignment;
end;procedure TEditEx.Loaded;
begin
  inherited Loaded;
  Modified := False;
end;procedure TEditEx.SetAlignment(Value:TAlignment);
begin
  if FAlignment <> Value then
  begin
    FAlignment := Value;
    RecreateWnd;
  end;
end;end.