事先定义一个过程.比如:
procedure mymousedown(sender:Tobject;x,y:integer;ssshift:Tssshift)
然后在创建image对象之后赋值:
image1.mousedown:=mymousedown
注意新建过程和image应有的过程参数要一致就行了
procedure mymousedown(sender:Tobject;x,y:integer;ssshift:Tssshift)
然后在创建image对象之后赋值:
image1.mousedown:=mymousedown
注意新建过程和image应有的过程参数要一致就行了
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
procedure ImageMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.FormCreate(Sender: TObject);
begin
with TImage.Create(Self) do begin
Parent := Self;
Canvas.FillRect(BoundsRect);
OnMouseDown := ImageMouseDown;
end;
end;procedure TForm1.ImageMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
ShowMessage('直接可以用Image1.OnMouseDown修改');
end;//....