意图,做一个这样的控件,一个Panel上放置一个图象和一个进度条。
但是不知道怎么搞。刚从BCBer转型到Delphi,大家帮帮我哈。unit DLClassP;interfaceuses
SysUtils, Classes, Controls,
Windows, Messages, Variants, Graphics, Forms,
Dialogs, ComCtrls, ExtCtrls;type
TDLClass = class(TCustomControl)
private
{ Private declarations }
Panel1: TPanel;
Image1: TImage;
ProgressBar1: TProgressBar;
protected
{ Protected declarations }
public
{ Protected declarations }
constructor Create(AOwner:TComponent);override;
published
{ Published declarations }
end; procedure Register;implementationprocedure Register;begin
RegisterComponents('AMePack', [TDLClass]);
end;constructor TDLClass.Create(AOwner:TComponent);
begin
/////////////猜想下面三行代码有问题//////////////
inherited create(AOwner);
Panel1 := TPanel.Create(self);
Panel1.Parent := self.Parent;
Panel1.Left := 0;
Panel1.Top := 0;
Panel1.Height := 142;
Panel1.Width := 452;Image1:=TImage.Create(self);
Image1.Parent := Panel1;
Image1.Left := 1;
Image1.Top := 0;
Image1.Height := 120;
Image1.Width := 450;ProgressBar1:=TProgressBar.Create(self);
ProgressBar1.Parent := Panel1;
Image1.Left := 1;
Image1.Top := 121;
Image1.Height := 20;
Image1.Width := 450;end;end.
但是不知道怎么搞。刚从BCBer转型到Delphi,大家帮帮我哈。unit DLClassP;interfaceuses
SysUtils, Classes, Controls,
Windows, Messages, Variants, Graphics, Forms,
Dialogs, ComCtrls, ExtCtrls;type
TDLClass = class(TCustomControl)
private
{ Private declarations }
Panel1: TPanel;
Image1: TImage;
ProgressBar1: TProgressBar;
protected
{ Protected declarations }
public
{ Protected declarations }
constructor Create(AOwner:TComponent);override;
published
{ Published declarations }
end; procedure Register;implementationprocedure Register;begin
RegisterComponents('AMePack', [TDLClass]);
end;constructor TDLClass.Create(AOwner:TComponent);
begin
/////////////猜想下面三行代码有问题//////////////
inherited create(AOwner);
Panel1 := TPanel.Create(self);
Panel1.Parent := self.Parent;
Panel1.Left := 0;
Panel1.Top := 0;
Panel1.Height := 142;
Panel1.Width := 452;Image1:=TImage.Create(self);
Image1.Parent := Panel1;
Image1.Left := 1;
Image1.Top := 0;
Image1.Height := 120;
Image1.Width := 450;ProgressBar1:=TProgressBar.Create(self);
ProgressBar1.Parent := Panel1;
Image1.Left := 1;
Image1.Top := 121;
Image1.Height := 20;
Image1.Width := 450;end;end.
TDLClass = class(TPanel)
private
{ Private declarations }
Image1: TImage;
ProgressBar1: TProgressBar;
protected
{ Protected declarations }
public
{ Protected declarations }
constructor Create(AOwner:TComponent);override;
published
{ Published declarations }
end; procedure Register; implementation procedure Register; begin
RegisterComponents('AMePack', [TDLClass]);
end; constructor TDLClass.Create(AOwner:TComponent);
begin
/////////////猜想下面三行代码有问题//////////////
inherited create(AOwner);
Image1:=TImage.Create(self);
Image1.Parent := Self;
Image1.Left := 1;
Image1.Top := 0;
Image1.Height := 120;
Image1.Width := 450; ProgressBar1:=TProgressBar.Create(self);
ProgressBar1.Parent := Self;
Image1.Left := 1;
Image1.Top := 121;
Image1.Height := 20;
Image1.Width := 450; end;
在里面设置子控件的parent