Using default icons?

Hi,

I did a search about htis but i didn't find something useful (mybe wrong keyword)...

How can i use the default icon set of the operating system...

I mean, i have a toolbar and a toolbutton called "New" now i want to set there the default new icon of the current platform...

How to do this?

Like in wxWidgets:

Code:

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toolbar->Append(wxID_NEW, wxT("&New"));

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thanks

http://labs.trolltech.com/blogs/2009...p-icons-in-qt/