本程序可以使用热键来将鼠标移动到某一个指定的坐标。是一个定义热键的示例程序。

本程序的热键为小键盘的5，在编辑框内可以指定坐标。

unit MainUnit;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Mask;

type
  TForm1 = class(TForm)
    btnSetHK: TButton;
    btnExit: TButton;
    GroupBox2: TGroupBox;
    Label3: TLabel;
    Label4: TLabel;
    btnUnsetHK: TButton;
    edYPos: TMaskEdit;
    edXPos: TMaskEdit;
    Memo: TMemo;
    procedure btnExitClick(Sender: TObject);
    procedure btnSetHKClick(Sender: TObject);
    procedure btnUnsetHKClick(Sender: TObject);
    procedure OnHotKey(var Message: TWMHOTKEY); message WM_HOTKEY;
    procedure FormDestroy(Sender: TObject);
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

const
  idHotKey : WORD = 0;

implementation

{$R *.DFM}

procedure TForm1.btnExitClick(Sender: TObject);
begin
 
  Close;
end;

procedure TForm1.btnSetHKClick(Sender: TObject);
begin
  if idHotKey<>0 then Exit;
  idHotKey := GlobalAddAtom('EmuMouse'); //给热键取得一个唯一的标识
  RegisterHotKey(Handle, idHotKey, 0, VK_NUMPAD5); //注册热键
end;

procedure TForm1.OnHotKey(var Message: TWMHOTKEY);
var
  Point: TPoint;
  X, Y: Word;
begin
  GetCursorPos(Point); //取回当前坐标

  try
    X := StrToInt(edXPos.Text);
    Y := StrToInt(edYPos.Text);
  except
    ShowMessage('坐标输入不正确.');
    Exit;
  end;

  try
    Mouse_Event(MOUSEEVENTF_ABSOLUTE+MOUSEEVENTF_LEFTDOWN, Point.X, Point.Y, 0, GetMessageExtraInfo);

    SetCursorPos(X, Y);

    Mouse_Event(MOUSEEVENTF_ABSOLUTE+MOUSEEVENTF_LEFTUP, X, Y, 0, GetMessageExtraInfo);

  except
    ShowMessage('Error');

  end;
end;

procedure TForm1.btnUnsetHKClick(Sender: TObject);
begin
  if idHotKey = 0 then Exit;
  UnRegisterHotKey(Handle, idHotKey); //注销热键
  DeleteAtom(idHotKey); //注销标识
  idHotKey := 0;
end;

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