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DELPHI GetClassName »ñȡָ¶¨´°¿ÚµÄÀàÃû

//ÉùÃ÷:
GetClassName(
hWnd: HWND; {Ö¸¶¨´°¿Ú¾ä±ú}
lpClassName: PChar; {»º³åÇø}
nMaxCount: Integer {»º³åÇø´óС}
): Integer; {·µ»ØÀàÃû´óС; ʧ°Ü·µ»Ø 0}
//²âÊÔ1: н¨Ò»¸ö¹¤³Ì, Ö÷´°¿ÚµÄÀàÃûĬÈÏÊÇ TForm1, ÓóÌÐò»ñȡһÏ¿´¿´
var
ps: array[0..254] of Char;
begin
GetClassName(Handle, ps, 255);
ShowMessage(ps); {TForm1}
end;
//²âÊÔ2: ¿´¿´ "¼ÆËãÆ÷" ´°¿ÚµÄÀàÃû(ÏÈÆô¶¯¼ÆËãÆ÷)
var
h: HWND;
ps: array[0..254] of Char;
begin
h := FindWindow(nil, '¼ÆËãÆ÷'); {Õâ¾äÊÇ»ñÈ¡¼ÆËãÆ÷´°¿ÚµÄ¾ä±ú}
GetClassName(h, ps, 255);
ShowMessage(ps); {SciCalc}
end;
//²âÊÔ3: ¿´¿´¼Çʱ¾´°¿ÚµÄÀàÃû(ÏÈÖØÐÂÆô¶¯¼Çʱ¾):
var
h: HWND;
ps: array[0..254] of Char;
begin
h := FindWindow(nil, 'ÎÞ±êÌâ - ¼Çʱ¾'); {Õâ¾äÊÇ»ñÈ¡¼Çʱ¾´°¿ÚµÄ¾ä±ú}
GetClassName(h, ps, 255);
ShowMessage(ps); {Notepad}
end;


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