向内容容器的第二部分提供源控件，该源控件提供该窗口句柄并驻留在主窗口的第二分区进程空间中。

A second portion of the content container is provided with a source control that provides the window handle and resides in a second partitioned process space.

youdao

向内容容器的第二部分提供源控件，该源控件提供该窗口句柄并驻留在主窗口的第二分区进程空间中。

A second portion of the content container is provided with a source control that provides the window handle and resides in a second partitioned process space.

youdao