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Today's Little Program shows a balloon tip at a specific position, then manually removes it. Start with our scratch program and make these changes: When our main window is created, we also create a balloon-style tooltip and add a tracking tool. Normally, the tooltip control appears and disappears automatically, at a position of the tooltip's ...

Simon Cooke dug back into his memory and asked, "Doesn't calling with cause a recreate and re-apply of the styles?" The flag does not recreate anything, but it does reapply the styles, as far as it knows. Recall that the bits in the window style break into two parts. There are the styles managed by the window manager, which are in the upper ...

A corporate customer had a problem with their employees accidentally deleting folders like Videos and Pictures and are looking for a way to restore them, short of blowing away the entire user profile and starting over. They found some techniques on the Internet but they don't always work consistently or completely. What is the recommended way of r...

Today we'll do a scripting version of an old C++ program: Printing information about the items in the Recycle Bin. (How you wish to act on the information is up to you.) This is a pattern we've seen a lot. Bind to a folder, enumerate its contents, extract properties. Wow, that was way easier than doing it in C++! Just for fun, I'll do it ...

A customer observed that if you use the Windows 8 Bing app with the touch keyboard, the top of the touch keyboard includes autocomplete suggestions for quick access. They wanted to know how to enable this in their own application. In the illustration below, it's the two boxes immediately above the keyboard with the words "aol" and "amazon". T...

Inspired by the Little Program which enumerates set partitions, I decided to do the binomial coefficients this week. In other words, today's Little Program generates all subsets of size k from a set of size n. As before, the key is to interpret a recurrence combinatorially. In general, when a recurrence is of the form A + B, it means that at th...

There's a DLL in the system directory called , and from its name, you might think that it is the Microsoft Visual C/C++ Run-Time library. That is a perfectly reasonable guess. But it would also be wrong. The Microsoft Visual C/C++ Run-Time libraries go by names like or or or , and the debugging versions have a in there, too. And like MFC,...

Why does hate ? Because everybody hates ! Commenter kero claims that it's "easy to fix" the problem with and . You just remove the style temporarily, then do the normal , then restore the style. The question is then why simply doesn't do this. The question assumes that the described workaround actually works. It may work in limited situati...

They get cleaned up eventually.

Today's Little Program shows one way you can implement a better version of . Our first version doesn't use at all. Start with the scratch program and make the following changes: Most of this program was stolen from my scroll bar series. The interesting new bits are that you can add one new item by hitting 1, or you can add ten thousand item...