var
TestVar: Integer;
function NtGetContextThread(ThreadHandle: THANDLE; Context: PCONTEXT): Integer; stdcall; external 'ntdll' name 'NtGetContextThread';
function HBExists: Boolean;
var
C: TContext;
begin
C.ContextFlags:=Windows.CONTEXT_DEBUG_REGISTERS;
NtGetContextThread(GetCurrentThread, @C);
Result:=(C.Dr0<>0) or (C.Dr1<>0) or (C.Dr2<>0) or (C.Dr3<>0) or (C.Dr6<>0) or (C.Dr7<>0);
end;
procedure TXForm.BtTestVarClick(Sender: TObject);
begin
Inc(TestVar);
end;
procedure TXForm.TimerTimer(Sender: TObject);
begin
MmShow.Text:='TestVar地址: '+IntToHex(Cardinal(@TestVar), 8)+#13#10+'TestVar数值: '+IntToStr(TestVar);
if HBExists then
EtState.Text:='硬件断点 有！'
else
EtState.Text:='硬件断点 无...'
end;
