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delphi2010获取鼠标指向窗口的位置及鼠标在窗口内的相对位置坐标

2010-09-05 17:52:57| 分类： delphi-其他 | 标签： |举报 |字号大中小订阅

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unit Unit2;

interface

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

type
TForm2 = class(TForm)
    Timer1: TTimer;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    procedure Timer1Timer(Sender: TObject);
private
    { Private declarations }
public
    { Public declarations }
end;

var
Form2: TForm2;

implementation

{$R *.dfm}

procedure TForm2.Timer1Timer(Sender: TObject);

var
p: TPoint;
h: HWND;
r:trect;
begin
GetCursorPos(p);
h := WindowFromPoint(p);
GetWindowRect(h,r);//得到窗口的左上角坐标
label4.Caption:=format('x: %d, y: %d',[r.left,r.top]);
Windows.ScreenToClient(h, p);
label1.Caption:=format('x: %d, y: %d',[p.X,p.y]);//鼠标在窗口里的相对位置坐标

end;

end.

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