Showing tag results for Code

Question: What type of heaps are controlled by the flag? Answer: Any user-mode heap created by the function. This includes the process heap () but not the managed heap. Some components use under the hood. If so, then those heaps would also be affected. Question: What versions of Windows support ? Answer: The flag was introduced in Windows Vi...

A customer was running into problems with their application on 64-bit Windows 8. They claimed that on Windows 8, the is returning a garbage pointer, which causes their program to crash. The same program works fine on 64-bit Windows 7. They asked the Windows team why they broke . An investigation of the customer's code quickly tur...

Today's Little Program adds a custom task to the application's jump list. Take the scratch program and make the following changes. (Remember, Little Programs do very little error checking because that's how they roll.) This helper function creates an in-memory shell link object with the specified title, command line arguments, and icon. The u...

Suppose you have a program that is written in Arabic or Hebrew and you want to render some text. No problem. You just call and pass the flag to say, "Please render this string in an RTL context." Many other text-rendering functions have a similar flag, such as for . But what if you don't control the call to or or whatever other function is ...

A customer asked how to disable the PrtSc key in the On-Screen Keyboard. There is no way to disable the PrtSc key in the On-Screen Keyboard. The On-Screen Keyboard shows a keyboard, and you can click any virtual key you like. There is no policy to remove specific keys from the On-Screen Keyboard. But this was a case of a customer breaking down...

A customer wanted to know how they could monitor and intercept taskbar notification balloons. In particular, they wanted to intercept the clicks on a particular balloon and take alternative action. There is no supported mechanism for intercepting taskbar notification balloons or redirecting clicks on them. Imagine if that were possible: Fabrikam ...

Today's Little Program launches a child process and then just hangs around. If you terminate the parent process, then all the children (and grandchildren and great-grandchildren, you get the idea) are also terminated. The tool for this is the Job Object. Specifically, we mark the job as "kill on job close" which causes all processes in the job ...

A customer had a simple question: "Is it wrong to call from a service?" I don't know if I'd call it wrong, but I'd call it highly inadvisable. Update: See Is it wrong to call SHFileOperation from a service? Revised.

It's the class moniker.

The message takes the following parameters: Notice that the identifier of the control sending the message appears in two places, once in the and again in the . What's the difference? There is no difference. It's just a convenience. The same value is passed in both places, and you can check whichever one is easier for you. You might use the ...