SetParent

该帖子中第15楼：

“

MSDN里面说了：
if hWndNewParent is not NULL and the window was previously a child of the desktop, you should clear the WS_POPUP style and set the WS_CHILD style before calling SetParent.

就是如果你原来是主窗体要修改style为WS_CHILD的

”

ZC: 查了下MSDN，并尝试了一下，确实需要将子窗口的风格WS_POPUP去掉，并加上WS_CHILD 。

2、

SetWindowLong （https://msdn.microsoft.com/en-us/library/windows/desktop/ms633591(v=vs.85).aspx）

ZC: 参考代码：

    QWebView *pWV = new QWebView();

    pWV->show();

    pWV->load(QUrl::fromUserInput("www.163.com"));

    HWND hWndChild = (HWND)pWV->winId();

    LONG lStyle = GetWindowLong(hWndChild, GWL_STYLE);

    lStyle = lStyle & (~WS_POPUP) | WS_CHILD;

    SetWindowLong(hWndChild, GWL_STYLE, lStyle);

    HWND hWndNewParent = (HWND);

    SetParent(hWndChild, hWndNewParent);

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