如何根据文件名获得其系统图标（大）？

Question

我baidu了一段代码：

            SHFILEINFO _SHFILEINFO = new SHFILEINFO();
            IntPtr _IconIntPtr = SHGetFileInfo(p_Path, 0, ref _SHFILEINFO, (uint)Marshal.SizeOf(_SHFILEINFO), SHGFI_ICON | SHGFI_LARGEICON);
            if (_IconIntPtr.Equals(IntPtr.Zero)) return null;
            Icon _Icon = System.Drawing.Icon.FromHandle(_SHFILEINFO.hIcon);
            return _Icon;

这个代码能够成功根据文件名去获取其对应的系统图标，但是图标只有32X32的大小，能否获取更大尺寸，例如48X48的呢？

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da jia hao!

Answer 1

参考一下：http://wenku.baidu.com/view/aed06b1eb7360b4c2e3f6422.html

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Answer 2

你好：

通过这个方法只能获取到大图标或者小图标两种，大小的话需要自己去控制，也可以尝试一下Icon.ExtractAssociatedIcon方法：

https://msdn.microsoft.com/en-us/library/ms404308%28v=vs.110%29.aspx?f=255&MSPPError=-2147217396

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