我自己动态创建了一些组建,请问怎么销毁和建立一个双击事件,看我代码。//创建动态组件
procedure GetXYRPos(Ppos:string;x,y:Integer;r:Boolean);
var
aPanel : TPanel;
begin
aPanel := TPanel.Create(nil);
aPanel.Name := 'a'+Ppos;
if r then begin
aPanel.Width := 20;
aPanel.Height := 10;
aPanel.Left := x-10;
aPanel.Top := y-4;
end else begin
aPanel.Width := 10;
aPanel.Height := 20;
aPanel.Left := x-4;
aPanel.Top := y-10;
end;
aPanel.Caption := ' ';
aPanel.Color := clLime;
aPanel.Hint := Ppos;
aPanel.ShowHint := True;
aPanel.AutoSize := False;
aPanel.Ctl3D := True;
//aPanel.OnMouseMove := moveposcursor;
aPanel.Parent := Main.Image1.Parent; aPanel.Show;
end;请大家尽量给我贴个代码谢谢
procedure GetXYRPos(Ppos:string;x,y:Integer;r:Boolean);
var
aPanel : TPanel;
begin
aPanel := TPanel.Create(nil);
aPanel.Name := 'a'+Ppos;
if r then begin
aPanel.Width := 20;
aPanel.Height := 10;
aPanel.Left := x-10;
aPanel.Top := y-4;
end else begin
aPanel.Width := 10;
aPanel.Height := 20;
aPanel.Left := x-4;
aPanel.Top := y-10;
end;
aPanel.Caption := ' ';
aPanel.Color := clLime;
aPanel.Hint := Ppos;
aPanel.ShowHint := True;
aPanel.AutoSize := False;
aPanel.Ctl3D := True;
//aPanel.OnMouseMove := moveposcursor;
aPanel.Parent := Main.Image1.Parent; aPanel.Show;
end;请大家尽量给我贴个代码谢谢
aPanel.ondblclick:=自定义函数
另外,我记得panel没有双击事件吧
aPanel.ondblclick:=自定义函数
另外,我记得panel没有双击事件吧
aPanel.OnDblClick := myFormDblClick;销毁
aPanel.OnDblClick := nil;自定义双击事件及实现
private
procedure myFormDblClick(Sender: TObject);
procedure TForm1.myFormDblClick(Sender: TObject);
begin
showmessage('双击消息');
end;
procedure xxoo(Sender:TObject);2.在implementation下面,实现此方法,如:
procedure TForm1.xxoo(Sender: TObject);
begin
showmessage('hello world!);
end;3.组件关联此方法,如
A.OnDblClick:=xxoo;
2、组件销毁了,什么都清空
如果改成TPanel.create(self);就不需要自己去手动去销毁了,,这样会随着主窗体的关闭,自动销毁。