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davidknechtges
6 Posts |
 Posted - 19 May 2008 : 09:52:10
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I need a way to set the device owner information programmatically. I see that it is stored under HKEY_CURRENT_USER\ControlPanel\Owner on my CE 5.0 device. However, this is a binary format registry key and there is conflicting information on the internet as to how this key is formatted. Some sites say the unit owner field is 72 unicode bytes, others say it is 256 bytes, so I am not sure if this is a fixed size, or if these are unicode strings separated by nulls, or what.
I have looked through Microsoft's website, and also through OpenNETCF and here, but no luck yet.
Basically, I want to replicate the functionality in the Owner properties control panel applet (but do it by reading the data from a file - so launching the control panel applet is not an option).
Thanks,
David |
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ctacke
877 Posts |
Posted - 19 May 2008 : 10:20:51
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| I believe the data, stored in the values 'Owner' and 'Notes', are simply stored as binary Unicode strings. Just stuff in your data with a NULL terminator and it should work. |
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davidknechtges
6 Posts |
Posted - 19 May 2008 : 10:27:56
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Thanks, but I am also looking for how to break up the owner information also into the fields shown in the control panel applet, the name, company, address, work and home phone numbers. This is what I was talking about with the conflicting information.
The notes field is all one key and that is not a problem.
David |
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ctacke
877 Posts |
Posted - 19 May 2008 : 16:41:50
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| I don't have PB installed on this machine so I can't check readily myself, but the best way to find out would be to look at the source code for the control panel applet that sets and retrieves this data, which is in the public shared source that ships with all versions of PB (including the evaluation version). |
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beitman
63 Posts |
Posted - 19 May 2008 : 17:47:54
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#define MAX_NOTES_STRING (6*32)
#define MAX_NAME_STRING 32
#define MAX_COMPANY_STRING 32
#define MAX_ADD_STRING (4*32)
#define MAX_CC_STRING 4
#define MAX_AC_STRING 10
#define MAX_PHONE_STRING 24
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davidknechtges
6 Posts |
Posted - 21 May 2008 : 14:48:58
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Just for further notes, when reading this using managed code (C# or VB.NET), use the method:
UnicodeEncoding.Unicode.GetString().TrimEnd('\0');
(fill in the get string function with the necessary parameters based on the information in Bruce's post - keep in mind that each item also has a unicode null. For example, this would mean that the byte length of the name string would be 66; 32 TCHARs + 1 NULL).
Then, when writing to the registry key, use the method
UnicodeEncoding.Unicode.GetBytes();
and place the elements stored in it at the proper locations like was seen above for the read.
Thanks to Chris and Bruce for your help,
David
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Set Owner Information programmatically?
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