Блокировать рабочую станцию

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{ 
  The LockWorkStation function locks the workstation's display, 
  protecting it from unauthorized use. 
  This function has the same result as pressing Ctrl+Alt+Del and 
  clicking Lock Workstation. 
  To unlock the workstation, the user must log in. 

  Windows NT/2000/XP: Included in Windows 2000 and later. 
  Windows 95/98/Me: Unsupported. 
}


 procedure

TForm1.Button1Click(Sender: TObject); begin

LockWorkStation; end

; { Loading LockWorkStation dynamically} function

LockWS: Boolean; // by Thomas Stutz, SDC type

TLockWorkStation = function

: Boolean; var

hUser32: HMODULE; LockWorkStation: TLockWorkStation; begin

// Here we import the function from USER32.DLL hUser32 := GetModuleHandle('USER32.DLL'); if

hUser32 <> 0 then

begin

@LockWorkStation := GetProcAddress(hUser32, 'LockWorkStation'); if

@LockWorkStation <> nil

then

begin

LockWorkStation; Result := True; end

; end

; end

;

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