Mega Code Archive

 
Categories / Delphi / System
 

Get handle and class name from the current mouse pos

type TForm1 = class(TForm) Label1: TLabel; Label2: TLabel; Timer1: TTimer; procedure Timer1Timer(Sender: TObject); procedure FormCreate(Sender: TObject); private procedure ShowHwndAndClassName(CrPos: TPoint); public end; var Form1: TForm1; implementation {$R *.DFM} procedure TForm1.Timer1Timer(Sender: TObject); var rPos: TPoint; begin if Boolean(GetCursorPos(rPos)) then ShowHwndAndClassName(rPos); end; procedure TForm1.ShowHwndAndClassName(CrPos: TPoint); var hWnd: THandle; aName: array [0..255] of Char; begin hWnd := WindowFromPoint(CrPos); Label1.Caption := 'Handle : ' + IntToStr(hWnd); if Boolean(GetClassName(hWnd, aName, 256)) then Label2.Caption := 'ClassName : ' + string(aName) else Label2.Caption := 'ClassName : not found'; end; procedure TForm1.FormCreate(Sender: TObject); begin Form1.FormStyle := fsStayOnTop; Timer1.Interval := 50; end;