weird apperance when create tabContainer inside TitlePane programmatically .CCLA.

[JayZ(zhouxiang)]

when create tabContainer inside titlePane, the tabcontainer looks weird, please refer to the attached test case (test_TitlePane_with_TabContainer.html)

[bill]

I see this bug report every few months. The problem is that TabContainer is waiting for TitlePane to call resize() on it, but TitlePane doesn't even know that the TabContainer exists.

The only supported way to add content to the TitlePane (or any ContentPane based widget) is to call set("content", ...) or set("href", ...). You should do it that way, or if you need to muck with the TitlePane contents manually, then call TabContainer.resize() after TabContainer.startup().