Question

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Platform::String is kind of useless

I’m new to Windows development and the new Visual C++ APIs are driving me nuts. I’ve most recently run into a seeming lack of string functions. Are there basic functions available such as:

• substring
• strpos or similar
• regular expressions

My ultimate goal is to take a file path such as “C:\foo\bar\baz.jpg” and extract the deepest directory. In this example, I’m looking for “bar”.

Perhaps of a greater concern, I’ve found that it’s incredibly difficult to find current documentation for Win 8 APIs. What’s the best place to look for questions like this?

Answer 1

WinRT C++/CX classes like Platform::String should be used only at the boundary of your apps/components. Inside your apps/components you should just use ordinary ISO C++ classes.

So you can just use std::wstring (since Platform::String is Unicode) with its methods and Boost’s helpers, and then convert from/to std::wstring to/from Platform::String at the boundary.