Demo7Frm.pas
上传用户:daoqigc
上传日期:2021-04-20
资源大小:2795k
文件大小:1k
- unit Demo7Frm;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- RVScroll, RichView, RVEdit, ExtCtrls, StdCtrls;
- type
- TfrmDemo7 = class(TForm)
- Panel1: TPanel;
- rve: TRichViewEdit;
- txt: TEdit;
- btnMark: TButton;
- btnUnmark: TButton;
- procedure FormCreate(Sender: TObject);
- procedure FormKeyDown(Sender: TObject; var Key: Word;
- Shift: TShiftState);
- procedure btnMarkClick(Sender: TObject);
- procedure btnUnmarkClick(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
- implementation
- uses MainFrm;
- {$R *.DFM}
- procedure TfrmDemo7.FormCreate(Sender: TObject);
- begin
- rve.Clear;
- rve.LoadText(ExtractFilePath(Application.ExeName)+'MainFrm.pas',0,0, False);
- rve.Format;
- end;
- procedure TfrmDemo7.FormKeyDown(Sender: TObject; var Key: Word;
- Shift: TShiftState);
- begin
- if Key=VK_ESCAPE then Close;
- end;
- procedure TfrmDemo7.btnMarkClick(Sender: TObject);
- begin
- rve.SetSelectionBounds(0,rve.GetOffsBeforeItem(0),0,rve.GetOffsBeforeItem(0));
- while rve.SearchText(txt.Text, [rvseoDown]) do
- rve.ApplyTextStyle(sncomMarked);
- // Note: every call of ApplyTextStyle reformats affected paragraphs
- end;
- procedure TfrmDemo7.btnUnmarkClick(Sender: TObject);
- begin
- rve.SelectAll;
- rve.ApplyTextStyle(sncomNormal);
- rve.Deselect;
- rve.Refresh;
- end;
- end.