{以下代碼可以分析Windows下的鼠標處的對象類名,句柄及其遞歸父類等信息,是很久以前火鳥的工具軟件視窗超人中的一段代碼。其觸發使用了Timer控件,其實更好的實現是用Windows Mouse Hook來做觸發,就當拋磚引玉吧;此代碼還實現了不依賴於Windows2000以上要求的半透明窗口(在Win98/WinMe下也可半透明),本實現的實現其實比較類似於金山詞霸的即指即譯功能,只不過大家在做不同的應用而已。 在Delphi環境下,新建一個窗體,把代碼貼入即可,本工具主要會對做Windows環境下的開發人員工作有些幫助(如分析別人的程序的控件對象,跟蹤對象句柄等)}
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls;
type
TForm1 = class(TForm)
procedure Timer1Timer(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
Timer1: TTimer;
implementation
{$R *.dfm}
procedure TForm1.Timer1Timer(Sender: TObject);
var poss:TPoint;
ic:Hdc;
Bmp:TbitMap;
Hands: HWND;
Buf: array[0..129] of Char;
Stmp:TStrings;
itmp,iwidth,iheight:integer;
sWord,sline:string;
begin
GetCursorPos(Poss);
with self do
begin
if (poss.x <> tag-10) or (poss.y<>timer1.Tag-10) then left:=screen.Width
else
begin
Hands := WindowFromPoint(Poss);
if (left=tag) or (hands=handle) then exit;
stmp:=TStringList.create;
stmp.Add('句柄: '+IntToStr(Hands));
GetClassName(Hands, Buf, 128);
stmp.Add ('類名: '+Buf);
itmp:=GetParent(Hands);
while itmp>0 do
begin
GetClassName(itmp, Buf, 128);
if buf<>'' then stmp.Add (inttostr(stmp.Count-1)+'級父類: '+Buf);
itmp:=GetParent(itmp);
end;
SendMessage(Hands, WM_GETTEXT, 128, Integer(@Buf));
sWord:='字符: '+buf;
if length(sword)>132 then sword:=sWord+'....';
repeat
itmp:=pos(chr(10),sWord);
if itmp>0 then
begin
sline:=copy(sWord,1,itmp-1);
sword:=copy(sWord,itmp+1,length(sWord));
end
else sline:=sWord;
itmp:=pos(chr(13),sline);
if itmp>0 then sline:=copy(sline,1,itmp-1);
stmp.Add(sline);
until sline=sWord;
iwidth:=0;
for itmp:=0 to stmp.Count-1 do if canvas.TextWidth(stmp[itmp])+15>iWidth then iWidth:=canvas.TextWidth(stmp[itmp])+15;
iheight:=stmp.Count*(canvas.TextHeight(stmp[0])+2);
width:=iwidth;
height:=iheight;
SetWindowPos(Handle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE+ SWP_NOSIZE+SWP_NOACTIVATE+SWP_NOOWNERZORDER);
ic:=CreateDC('DISPLAY',nil,nil,nil);
if tag+width>screen.Width then tag:=screen.Width-width;
if timer1.Tag +height>screen.Height then timer1.Tag:=screen.Height-height;
Bmp:=Tbitmap.Create;
bmp.Width := Width;
bmp.Height :=Height;
bitblt(bmp.Canvas.handle,0,0,Width,Height,ic,tag,timer1.Tag,SRCCOPY);
Left :=tag;
Top :=timer1.tag;
bitblt(canvas.handle,0,0,Width,Height,bmp.Canvas.handle,0,0,SRCAND);
canvas.Font.Color:=$0000FF;
SetBkMode(canvas.handle,TRANSPARENT);
for itmp:=0 to stmp.Count-1 do canvas.TextOut(5,5+itmp*canvas.TextHeight(stmp[itmp]),TrimRight(stmp[itmp]));
deletedc(ic);
bmp.free;
stmp.Free;
end;
tag:=poss.x+10;
timer1.Tag:=poss.y+10;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
self.BorderStyle:=bsNone;
Timer1:=TTimer.Create(self);
timer1.Interval:=300;
timer1.OnTimer:=Timer1Timer;
end;
end.