procedure TForm1.Timer1Timer(Sender: TObject);
var
I:integer;
bitmap1:Tbitmap;
name:Pchar;
begin
bitmap1:=Tbitmap.Create;
I:=(I mod 6)+1;
strPcopy(name, 'bitmap'+inttoStr(I+1));
bitmap1.Handle:=loadBitmap(Hinstance,name);
Image1.Canvas.Draw(0,0,bitmap1);
end;
这个程序段如何让i自动增加?还有这里的警告提示是
name might not have been initialized
这又是什么原因
var
I:integer;
bitmap1:Tbitmap;
name:Pchar;
begin
bitmap1:=Tbitmap.Create;
I:=(I mod 6)+1;
strPcopy(name, 'bitmap'+inttoStr(I+1));
bitmap1.Handle:=loadBitmap(Hinstance,name);
Image1.Canvas.Draw(0,0,bitmap1);
end;
这个程序段如何让i自动增加?还有这里的警告提示是
name might not have been initialized
这又是什么原因
I:=(I mod 6)+1; //I没有赋值
strPcopy(name, 'bitmap'+inttoStr(I+1));
bitmap1.Handle:=loadBitmap(Hinstance,name); //name没有赋值
Image1.Canvas.Draw(0,0,bitmap1);
有问题请发信息到我的E-mail:[email protected]
var
I:integer;<------------把I设为全局变量,在Form的OnCreate事件中赋初值0或1!
bitmap1:Tbitmap;
name:Pchar;
begin
bitmap1:=Tbitmap.Create;
I:=(I mod 6)+1;
strPcopy(name, 'bitmap'+inttoStr(I+1));
bitmap1.Handle:=loadBitmap(Hinstance,name);
Image1.Canvas.Draw(0,0,bitmap1);
end;
第二次进入函数体,I又是没有初始值。
to: zouwenyan()
如何初始化name ??
而且进行 初始化i也没有用的,我都试过了