About WebBrowser call Baidu Map API mouse wheel zoom map level failure Solution

Under the desktop program Baidu Map API Mouse Zoom map function may malfunction Invalid!

This is not a problem with the API, I tried it on the web.

So consider the WebBrowser that might be the focus issue, and then add a Form activation event to the main form

As follows

The little brother uses WPF, so it's window_activated.

If you're using WinForm, it's form1_activated (object sender, EventArgs e) event.

private void Window_activated (object sender, EventArgs e)
{
Webbrowser.focus ();//Let the map get the focus at any time to prevent the map mouse wheel event failure
}

Solve the problem perfectly!

About WebBrowser call Baidu Map API mouse wheel zoom map level failure Solution