3

我想在delphi中编写一个程序来模拟具有特定速度的移动鼠标指针(类似于AutoIT MouseMove函数)。要么我的代码错误,要么 SetCursorPos 在被调用太多次后出现故障。这是我拥有的功能:

procedure MoveMouse ( X, Y, Speed : Integer);
var
  P     : TPoint;
  NewX  : Integer;
  NewY  : Integer;
begin
  if X < 0 then exit;
  if Y < 0 then exit;
  if X > Screen.Height then exit;
  if Y > Screen.Width then Exit;
  repeat
    GetCursorPos(P);
    NewX := P.X;
    NewY := P.Y;
    if P.X <> X then begin
      if P.X > X then begin
        NewX := P.X - 1;
      end else begin
        NewX := P.X + 1;
      end;
    end;
    if P.Y <> Y then begin
      if P.Y > Y then begin
        NewY := P.Y - 1;
      end else begin
        NewY := P.Y + 1;
      end;
    end;
    sleep (Speed);
    SetCursorPos(NewX, NewY);
  until (P.X = X) and (P.Y = Y);
end;

我这样使用它:

procedure TForm1.btn1Click(Sender: TObject);
var
  X : Integer;
  Y : Integer;
begin
  for X := 0 to Screen.Width do begin
    for Y := 0 to Screen.Height do begin
      MouseClick (X, Y, 1);
    end;
  end;
end;

由于某种原因,鼠标指针卡在某个 X 点,然后跳回 0,0,但这是为什么呢?

4

1 回答 1

6

你的代码被卡住了,因为在重复循环中,条件

until (P.X = X) and (P.Y = Y);

当您传递值 X=0 和 Y=Screen.Height 时永远不会满足,因此您必须修改循环以仅传递有效的屏幕坐标值

  for X := 0 to Screen.Width-1 do
    for Y := 0 to Screen.Height-1 do
      MoveMouse (X, Y, 1); 

您还可以改进检查GetCursorPosandSetCursorPos函数结果的方法。

procedure MoveMouse ( X, Y, Speed : Word);
var
  P     : TPoint;
  NewX  : Integer;
  NewY  : Integer;
begin
  if X > Screen.Width-1  then Exit;
  if Y > Screen.Height-1 then Exit;
  repeat
    if not GetCursorPos(P) then RaiseLastOSError;
    NewX := P.X;
    NewY := P.Y;
    if P.X <> X then
    begin
      if P.X > X then
        NewX := P.X - 1
      else
        NewX := P.X + 1;
    end;

    if P.Y <> Y then
    begin
      if P.Y > Y then
        NewY := P.Y - 1
      else
        NewY := P.Y + 1
    end;
    Sleep (Speed);
    if not SetCursorPos(NewX, NewY) then RaiseLastOSError;
  until (P.X = X) and (P.Y = Y);
end;
于 2013-01-14T01:20:14.287 回答