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CWinApp::WriteProfileString

Call this member function to write the specified string into the specified section of the application's registry or .INI file.

BOOL WriteProfileString(
   LPCTSTR lpszSection,
   LPCTSTR lpszEntry,
   LPCTSTR lpszValue 
);

Parameters

  • lpszSection
    Points to a null-terminated string that specifies the section containing the entry. If the section does not exist, it is created. The name of the section is case independent; the string may be any combination of uppercase and lowercase letters.

  • lpszEntry
    Points to a null-terminated string that contains the entry into which the value is to be written. If the entry does not exist in the specified section, it is created. If this parameter is NULL, the section specified by lpszSection is deleted.

  • lpszValue
    Points to the string to be written. If this parameter is NULL, the entry specified by the lpszEntry parameter is deleted.

Return Value

Nonzero if successful; otherwise 0.

Example

CWinApp* pApp = AfxGetApp();

CString strSection       = _T("My Section");
CString strStringItem    = _T("My String Item");
CString strIntItem       = _T("My Int Item");

pApp->WriteProfileString(strSection, strStringItem, _T("test"));

CString strValue;
strValue = pApp->GetProfileString(strSection, strStringItem);
ASSERT(strValue == _T("test"));

pApp->WriteProfileInt(strSection, strIntItem, 1234);

int nValue;
nValue = pApp->GetProfileInt(strSection, strIntItem, 0);
ASSERT(nValue == 1234);

For another example, see the example for CWinApp::GetProfileInt.

Smart Device Developer Notes

Only the registry-based version using CWinApp::SetRegistryKey is supported in Windows CE-based projects.

Requirements

Header: afxwin.h

See Also

Concepts

CWinApp Class

CWinApp Members

Hierarchy Chart

CWinApp::GetProfileString

CWinApp::WriteProfileInt

WritePrivateProfileString

CWinApp::SetRegistryKey