The Old New Thing

How should I report errors from my Windows Runtime API?

February 28, 2019 Feb 28, 2019 02/28/19

Raymond Chen

It depends on what kind of error it is.

The std::map subscript operator is a convenience, but a potentially dangerous one

February 27, 2019 Feb 27, 2019 02/27/19

Raymond Chen

It makes code easy to read, but things happen behind the scenes you may not be expecting.

How do I permit a minus sign to be entered into my edit control, but only if it’s the first character?

February 22, 2019 Feb 22, 2019 02/22/19

Raymond Chen

Check the insertion point.

How do I allow negative numbers with the ES_NUMBER edit control style?

February 21, 2019 Feb 21, 2019 02/21/19

Raymond Chen

You'll have to roll your own.

How do I convert all these strange Unicode digits into the ones I remember from Sesame Street?

February 19, 2019 Feb 19, 2019 02/19/19

Raymond Chen

Know when to fold'em.

How can I check in Win32 whether a Unicode character is any kind of digit?

February 18, 2019 Feb 18, 2019 02/18/19

Raymond Chen

Ask for its character type.