maxRect = _MakeRect (参数_左边, 参数_顶边, 参数_左边 + 参数_宽度, 参数_顶边 + 参数_高度)
ptrRect = wkeGetUserKeyValue (m_WebView, #zyMaxRect)
.如果真 (ptrRect = 0)
ptrRect = _Alloc (16)
wkeSetUserKeyValue (m_WebView, #zyMaxRect, ptrRect)
.如果真结束
RtlMoveMemory (ptrRect, _取指针Struct (maxRect), 16)