Unit1.pas
上传用户:daoqigc
上传日期:2021-04-20
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文件大小:2k
- unit Unit1;
- interface
- {==============================================================================}
- { This demo shows how to use Tags of items. }
- { Each item has associated integer value - Tag. Tags are used to store }
- { additional information, which RichView does not display and does not use. }
- {------------------------------------------------------------------------------}
- { All Add*** methods (except from obsolete ones) has Add***Tag version. }
- { Add***(...) == Add***Tag(...,0) (Tags=0 by default) }
- { For example, look AddNLTag and AddHotpotExTag in this demo. }
- { Tag of item can be obtained with GetItemTag method (or Get***Info methods) }
- { and modified with SetItemTag (or Set***Info methods). }
- {==============================================================================}
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- ImgList, RVStyle, ExtCtrls, RVScroll, RichView;
- type
- TForm1 = class(TForm)
- RichView1: TRichView;
- Panel1: TPanel;
- RVStyle1: TRVStyle;
- ImageList1: TImageList;
- Image1: TImage;
- procedure FormCreate(Sender: TObject);
- procedure RichView1Jump(Sender: TObject; id: Integer);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- procedure TForm1.FormCreate(Sender: TObject);
- var ico: TIcon;
- begin
- RichView1.AddNL('Some text styles can be chosen as hypertext styles. ',0,0);
- RichView1.AddNLTag('Like this one.',4,-1, 100);
- RichView1.AddNL(' You can have as many hypertext styles as you want. ',0,-1);
- RichView1.AddNLTag('Here is one more.',5,-1, 200);
- RichView1.AddNL('Images from Image Lists also can be hypertext: ',0,0);
- RichView1.AddHotspotExTag('Pen Image', 0,1, ImageList1, -1, 300);
- RichView1.AddNL(' Such images are called "hotspots".',0,-1);
- ico := TIcon.Create;
- ico.Assign(Image1.Picture.Graphic);
- RichView1.AddHotPictureTag('Bobo', ico, -1, rvvaBaseLine, 400);
- RichView1.Format;
- end;
- procedure TForm1.RichView1Jump(Sender: TObject; id: Integer);
- var ItemNo: Integer;
- Tag: Integer;
- begin
- ItemNo := RichView1.GetJumpPointItemNo(id);
- Tag := RichView1.GetItemTag(ItemNo);
- Panel1.Caption := 'Clicked: Item with Tag='+IntToStr(Tag);
- end;
- end.