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Using the Registry with MFC.

VisualLR
VisualLR asked
on
Medium Priority
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Last Modified: 2013-11-19
I want to write my program's setup information into the registry.. for example, I want to add this to HKEY_CURRENT_USER

MyCompanyName\MyProgramsName\Version\<several keys with info>

what do I need to do to make the different directories and then the keys ??
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Commented:
Call CWinApp::SetRegistryKey(MyCompanyName) in the CWinApp::InitInstance.

CWinApp::SetRegistryKey
void SetRegistryKey( LPCTSTR lpszRegistryKey );

void SetRegistryKey( UINT nIDRegistryKey );

Parameters

lpszRegistryKey   Pointer to a string containing the name of the key.

nIDRegistryKey   ID/index of a key in the registry.

Remarks

Causes application settings to be stored in the registry instead of INI files. This function sets m_pszRegistryKey, which is then used by the GetProfileInt, GetProfileString, WriteProfileInt, and WriteProfileString member functions of CWinApp. If this function has been called, the list of most recently-used (MRU) files is also stored in the registry. The registry key is usually the name of a company. It is stored in a key of the following form: HKEY_CURRENT_USER\Software\<company name>\<application name>\<section name>\<value name>.

Author

Commented:
I had already read that in the MSVC documentation. I turned to this site because it wasn't clear enough for me.

Commented:
So, which is not clear for you?

Author

Commented:
well, how do I make the different directories?? if you could give me a short example it would be great. Cause Ive tried and I havent been able to do it... thanks.
I found that using the void SetRegistryKey(LPCTSTR szRegistryKey ); too limiting, Look at using the std
RegCreateKeyEx fn. By passing a path with \ int the string for the 2nd parameter you can use it like a directory. ie. if you pass in <zzzz>\<xxx> you create key <zzzz> and it has a child/sub key of (xxxx). Once this key is created you can the
RegSetValueEx fn to set data values.  If you want some examples reply let me know


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Commented:
checkout www.codeguru.com  there is a registry class you can use that wraps the api calls.

Author

Commented:
Thanks! With you example I was able to make it. Thanks a lot.
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