ArrowForm.pas
资源名称:delphi.rar [点击查看]
上传用户:fh681027
上传日期:2022-07-23
资源大小:1959k
文件大小:3k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit ArrowForm;
- interface
- uses
- SysUtils, Windows, Messages, Classes, Graphics, Controls,
- Forms, Dialogs, StdCtrls, Spin, ExtCtrls, ComCtrls, MdArrow;
- type
- TForm1 = class(TForm)
- Bevel1: TBevel;
- Label1: TLabel;
- Label2: TLabel;
- Label3: TLabel;
- PenLabel: TLabel;
- SpinWidth: TSpinEdit;
- SpinHeight: TSpinEdit;
- SpinArrow: TSpinEdit;
- btnTurn: TButton;
- cbFilled: TCheckBox;
- btnBrush: TButton;
- btnPen: TButton;
- ColorDialog1: TColorDialog;
- trackPenWidth: TTrackBar;
- Arrow: TMdArrow;
- procedure btnTurnClick(Sender: TObject);
- procedure cbFilledClick(Sender: TObject);
- procedure btnBrushClick(Sender: TObject);
- procedure btnPenClick(Sender: TObject);
- procedure trackPenWidthChange(Sender: TObject);
- procedure ArrowDoubleClick (Sender: TObject);
- procedure FormCreate(Sender: TObject);
- procedure SpinWidthChange(Sender: TObject);
- procedure SpinHeightChange(Sender: TObject);
- procedure SpinArrowChange(Sender: TObject);
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- procedure TForm1.btnTurnClick(Sender: TObject);
- begin
- if Arrow.Direction = High (TMdArrowDir) then
- Arrow.Direction := Low (TMdArrowDir)
- else
- Arrow.Direction := Succ (Arrow.Direction);
- end;
- procedure TForm1.cbFilledClick(Sender: TObject);
- begin
- Arrow.Filled := not Arrow.Filled;
- end;
- procedure TForm1.btnBrushClick(Sender: TObject);
- begin
- ColorDialog1.Color := Arrow.Brush.Color;
- if ColorDialog1.Execute then
- Arrow.Brush.Color := ColorDialog1.Color;
- end;
- procedure TForm1.btnPenClick(Sender: TObject);
- begin
- ColorDialog1.Color := Arrow.Pen.Color;
- if ColorDialog1.Execute then
- Arrow.Pen.Color := ColorDialog1.Color;
- end;
- procedure TForm1.trackPenWidthChange(Sender: TObject);
- begin
- PenLabel.Caption := 'Pen Width: ' +
- IntToStr (trackPenWidth.Position);
- Arrow.Pen.Width := trackPenWidth.Position;
- end;
- procedure TForm1.ArrowDoubleClick (Sender: TObject);
- begin
- ShowMessage ('You have double clicked ' +
- 'on the point of the arrow');
- end;
- procedure TForm1.FormCreate(Sender: TObject);
- begin
- SpinWidth.Value := Arrow.Width;
- SpinHeight.Value := Arrow.Height;
- SpinArrow.Value := Arrow.ArrowHeight;
- cbFilled.Checked := Arrow.Filled;
- trackPenWidth.Position := Arrow.Pen.Width;
- PenLabel.Caption := 'Pen Width: ' +
- IntToStr (trackPenWidth.Position);
- end;
- procedure TForm1.SpinWidthChange(Sender: TObject);
- begin
- Arrow.Width := SpinWidth.Value;
- end;
- procedure TForm1.SpinHeightChange(Sender: TObject);
- begin
- Arrow.Height := SpinHeight.Value;
- end;
- procedure TForm1.SpinArrowChange(Sender: TObject);
- begin
- Arrow.ArrowHeight := SpinArrow.Value;
- end;
- end.