procedure TFormWHandle.BtnCallAPIClick(Sender: TObject);
begin
SetWindowText (Handle, 'Hi');
end;
测试1:
一个例程,我想把Handle的值也显示出来
做了如下改动:
procedure TForm1.BitBtn1Click(Sender: TObject);
var
bb:String;
begin
bb:=IntToStr (Handle);
SetWindowText (Handle, @bb);
end;
结果是乱码,请问我应该怎么改,才能达到目的?测试2:
procedure TForm1.BitBtn1Click(Sender: TObject);
var
bb:^String;
begin
new (bb);
bb^:=IntToStr(Handle);
SetWindowText (Handle,^bb);
end;
编译通不过??
begin
SetWindowText (Handle, 'Hi');
end;
测试1:
一个例程,我想把Handle的值也显示出来
做了如下改动:
procedure TForm1.BitBtn1Click(Sender: TObject);
var
bb:String;
begin
bb:=IntToStr (Handle);
SetWindowText (Handle, @bb);
end;
结果是乱码,请问我应该怎么改,才能达到目的?测试2:
procedure TForm1.BitBtn1Click(Sender: TObject);
var
bb:^String;
begin
new (bb);
bb^:=IntToStr(Handle);
SetWindowText (Handle,^bb);
end;
编译通不过??
SetWindowText (Handle, @bb);
改为
SetWindowText (Handle, pchar(bb));测试2var
bb:pchar;
begin
bb:=pchar(inttostr(handle));
SetWindowText(handle,bb);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
bb:String;
begin
bb:=IntToStr (Handle);
SetWindowText (Handle,Pchar(bb));
end;
procedure TForm1.Button1Click(Sender: TObject);
var
bb:String;
begin
bb:=IntToStr (Handle);
SetWindowText (Handle,Pchar(bb));
end;
在某杂志上看到:“PChar 可以看作 ^Char ”,所以我做了如下改动:
bb:^Char;
begin
new (bb);
bb^:=char(inttostr(handle));//Invalid typecast
// SetWindowText(handle,Pchar(bb));
SetWindowText(handle,bb);//Incompatible types: 'Unit1.Char' and 'System.Char'
我如何该动是好?
var
bb:pchar;
begin
getmem(bb,8);
strcopy(bb,pchar(inttostr(handle)));
SetWindowText(handle,bb);
freemem(bb);
end;