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| unit Unit1;
interface
uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, TLHelp32;
type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Edit1: TEdit; Label1: TLabel; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); private public end;
var Form1: TForm1; WindowHandle: THandle; h:HWnd;
implementation
{$R *.DFM}
function GetWindowThreadProcessId(hWnd: HWND; var dwProcessId: DWORD): DWORD; stdcall; external 'user32.dll' name 'GetWindowThreadProcessId';
function MyEnumWindowProc(AHandle: THandle; LParam: LongWord): boolean; stdcall; var ProcessID: THandle; begin ProcessID := 0; GetWindowThreadProcessID(AHandle, ProcessID); Result := not (ProcessID = LParam); if not Result then WindowHandle := AHandle; end;
function GetWindowHandleByExeName(const AExeName: string): THandle; var SnapShot: THandle; p: TProcessEntry32; ProcessHandle: THandle; begin Result := 0; WindowHandle := 0; ProcessHandle := 0; p.dwSize := SizeOf(p); SnapShot := CreateToolhelp32Snapshot(TH32CS_SnapProcess, 0); try if Process32First(SnapShot, p) then repeat if AnsiLowerCase(AExeName) = AnsiLowerCase(p.szExeFile) then ProcessHandle := p.th32ProcessID; until (ProcessHandle <> 0) or not Process32Next(SnapShot, p); EnumWindows(@MyEnumWindowProc, ProcessHandle); Result := WindowHandle; finally CloseHandle(SnapShot); end; end;
procedure TForm1.Button2Click(Sender: TObject); var m_exe:string; begin m_exe := Edit1.Text; GetWindowHandleByExeName(m_exe);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin h:=WindowHandle; postmessage(h,WM_SYSCOMMAND,SC_MINIMIZE,0);
end;
end. |