There are some problems with CScrollImpl, a dialog
box with WS_CLIPCHILDREN, WS_CLIPSIBLINGS, a groupbox
with WS_EX_TRANSPARENT with some controls (for
example buttons) on it. See the example for the code.
Make the window half the height. Scroll down to the
end. Now drag the lower border to make the window
taller. The groupbox will go "mad". This is strange
because when you simply scroll the dialog there isn't