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The clipboard format is still quite popular, despite its limitation of being limited to files. You can't use it to represent virtual content, for example. For all of you still using , you can improve the performance of drag/drop operations by adding a little more information to your data object. Observe that the clipboard format is just a l...

It goes beyond special relativity, beyond general relativity... into TIME TRAVEL.

Prerequisite reading: Closing over the loop variable considered harmful. JavaScript has the same problem. Consider: The most common case where you encounter this is when you are hooking up event handlers in a loop, so that's the case I used as an example. No matter which button you click, they all alert , rather than the respective button ...

Today we're going to dump information about the user's wallpaper settings on multiple monitors. The idea is simple. You use the interface on the object to get information about the desktop wallpaper. It will tell you the wallpaper positioning information, whether a single image is being used for all monitors, where those monitors are, and whic...

Commenter acq responds (with expletive deleted), "the whole file is mapped into the process' memory only for version info that's certainly only a few kilobytes to be read?" Why not map only the parts that are needed? "I don't understand the necessity to map the whole file except that it was easier to write that code without thinking too much." Tha...

Today's Little Program isn't even a program. It's just a function. The problem statement is as follows: Given a nonempty JavaScript array of numbers, find the index of the smallest value. (If the smallest value appears more than once, then any such index is acceptable.) One solution is simply to do the operation manually, simulating how you wo...

A customer was puzzled by what appeared to be contradictory information coming from the debugger. We have Windows Error Reporting failures that tell us that we are executing code in our DLL which has been unloaded. Here's a sample stack: But if we ask the debugger what modules are loaded, our DLL is right there, loaded as happy as can be: ...

A customer reported (all incomplete information and red herrings preserved): We have an issue related to two radio buttons in a window. The code programmatically checks the second button by sending the message. We observe that if the user clicks somewhere else on the screen (so that our application loses focus), and then clicks on the taskbar i...

You start typing.

Continuing from Creating a simple pidl: For the times you care enough to send the very fake: Instead of creating a simple pidl, we'll create a simple shell item. The idea is the same. We build a file system bind context containing the information about the fake file, and we pass that bind context to the function. Take that program that creat...