Delphi 全局钩子锁定鼠标

2018-10-31

//DLL代码如下:

library MouseHOOK;

uses
Windows, Messages;

var
hNextHookProc: HHook;

function MouseHookProc(iCode: Integer;wParam: WPARAM;lParam: LPARAM): LRESULT; stdcall; export;
begin
If iCode < 0 Then
begin
if wParam = WM_LBUTTONDOWN then
begin
Result := CallNextHookEx(hNextHookProc, iCode, wParam, lParam);
end
else
Result:=1;
end;
end;


function DisableMouse: BOOL; export;
begin
Result := False;
if hNextHookProc <> 0 then Exit;
hNextHookProc := SetWindowsHookEx(WH_MOUSE,MouseHookProc,HInstance,0);
Result:=False;
end;


function EnableMouse: BOOL; export;
begin
if hNextHookProc <> 0 then
begin
UnhookWindowshookEx(hNextHookProc);
hNextHookProc := 0;
end;
Result := hNextHookProc = 0;
end;

exports
EnableMouse,
DisableMouse;

end.

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