HRESULT Ole32.IOleInPlaceFrame.SetActiveObject(Ole32.IOleInPlaceActiveObject pActiveObject, string pszObjName)
{
if (pActiveObject == null)
{
if (ctlInEditMode != null)
{
ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
ctlInEditMode = null;
}
return(HRESULT.S_OK);
}
WebBrowserBase ctl = null;
if (pActiveObject is UnsafeNativeMethods.IOleObject oleObject)
{
oleObject.GetClientSite(out Ole32.IOleClientSite clientSite);
if (clientSite is WebBrowserSiteBase webBrowserSiteBase)
{
ctl = webBrowserSiteBase.Host;
}
if (ctlInEditMode != null)
{
Debug.Fail("control " + ctlInEditMode.ToString() + " did not reset its edit mode to null");
ctlInEditMode.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Selected);
ctlInEditMode.SetEditMode(WebBrowserHelper.AXEditMode.None);
}
if (ctl == null)
{
ctlInEditMode = null;
}
else
{
if (!ctl.IsUserMode)
{
ctlInEditMode = ctl;
ctl.SetEditMode(WebBrowserHelper.AXEditMode.Object);
ctl.AddSelectionHandler();
ctl.SetSelectionStyle(WebBrowserHelper.SelectionStyle.Active);
}
}
}
return(HRESULT.S_OK);
}
