unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, OleCtrls, MapObjects2_TLB, StdCtrls;type
TForm1 = class(TForm)
Map1: TMap;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end; //TRenderEvent = procedure(var Map: TMap) of object; TTest = class
private
//FRE: TRenderEvent;
Ftt: TNotifyEvent;
published
//property OnRender: TRenderEvent read FRE write FRE;
property OnTT: TNotifyEvent read Ftt write Ftt;
end;
TTestProc = class
public
//class procedure draw(var Map: TMap);
class procedure ttProc(Sender: TObject);
end;
var
Form1: TForm1;implementation{$R *.dfm}//class procedure TTestProc.draw(var Map: TMap);
//begin
//end;
class procedure TTestProc.ttProc(Sender: TObject);
begin
end;procedure TForm1.Button1Click(Sender: TObject);
var
tst: TTest;
begin
tst:= TTest.Create;
tst.OnTT:= TTestProc.ttProc(nil); // 这里赋值出现“incompatible types...”
//tst.OnRender:= TTestProc.draw(Map1);
end;
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, OleCtrls, MapObjects2_TLB, StdCtrls;type
TForm1 = class(TForm)
Map1: TMap;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end; //TRenderEvent = procedure(var Map: TMap) of object; TTest = class
private
//FRE: TRenderEvent;
Ftt: TNotifyEvent;
published
//property OnRender: TRenderEvent read FRE write FRE;
property OnTT: TNotifyEvent read Ftt write Ftt;
end;
TTestProc = class
public
//class procedure draw(var Map: TMap);
class procedure ttProc(Sender: TObject);
end;
var
Form1: TForm1;implementation{$R *.dfm}//class procedure TTestProc.draw(var Map: TMap);
//begin
//end;
class procedure TTestProc.ttProc(Sender: TObject);
begin
end;procedure TForm1.Button1Click(Sender: TObject);
var
tst: TTest;
begin
tst:= TTest.Create;
tst.OnTT:= TTestProc.ttProc(nil); // 这里赋值出现“incompatible types...”
//tst.OnRender:= TTestProc.draw(Map1);
end;
应该写成
tst.OnTT:= TTestProc.ttProc;
To aiirii(ari-爱的眼睛)
= 一個 class 方法 是允许的!