CFString to string?

Question

I have follow code to make a String to a CFString:

 internal static byte[] StringToCFString(string value)
    {
        byte[] b;

        b = new byte[value.Length + 10];
        b[4] = 0x8c;
        b[5] = 07;
        b[6] = 01;
        b[8] = (byte)value.Length;
        Encoding.ASCII.GetBytes(value, 0, value.Length, b, 9);
        return b;
    }

    public static byte[] StringToCString(string value)
    {
        byte[] bytes = new byte[value.Length + 1];
        Encoding.ASCII.GetBytes(value, 0, value.Length, bytes, 0);
        return bytes;
    }

How I can get a CFString to String back? (C#.Net 2.0)

WebMonster · Accepted Answer · 2012-10-16 22:06:15Z

3

private String CFString2String(IntPtr intPtr)
{
    byte size = Marshal.ReadByte(intPtr, 8);
    byte[] b = new byte[size];
    Marshal.Copy(IntPtr.Add(intPtr, 9), b, 0, size);
    return Encoding.ASCII.GetString(b);
}

edited Oct 16, 2012 at 22:06

WebMonster

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answered Oct 16, 2012 at 21:53

Eugene Husnullin

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Comments

Flesrouy · Accepted Answer · 2010-07-14 19:26:17Z

1

I would try something like this...

Encoding.ASCII.GetString(value, 9, value.Length - 9);

answered Jul 14, 2010 at 19:26

Flesrouy

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Comments

pizixie · Accepted Answer · 2014-02-28 16:58:40Z

0

this code is error when the parameter "value" is utf8 string such as Chinese.

if you need CFString to String back

please use the CoreFoundation.CFString with constructor CFString(IntPtr ptr)

the parameter "ptr" is a pointer to a CFString.

CoreFoundation.CFString -> https://github.com/isnowrain/CoreFoundation

answered Feb 28, 2014 at 16:58

pizixie

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