/// Get registry values for ShellExtension
void PropShell::GetContextRegValues()
{
CRegKeyEx reg;
LONG retVal = 0;
retVal = reg.Open(HKEY_CURRENT_USER, f_RegDir);
if (retVal != ERROR_SUCCESS)
{
CString msg;
msg.Format(_T("Failed to open registry key HKCU/%s:\n\t%d : %s"),
f_RegDir, retVal, GetSysError(retVal).c_str());
LogErrorString(msg);
return;
}
// Read bitmask for shell extension settings
DWORD dwContextEnabled = reg.ReadDword(f_RegValueEnabled, 0);
if (dwContextEnabled & CONTEXT_F_ENABLED)
m_bContextAdded = TRUE;
if (dwContextEnabled & CONTEXT_F_ADVANCED)
m_bContextAdvanced = TRUE;
if (dwContextEnabled & CONTEXT_F_SUBFOLDERS)
m_bContextSubfolders = TRUE;
}
/// Saves given path to registry for ShellExtension, and Context Menu settings
void PropShell::SaveMergePath()
{
TCHAR temp[MAX_PATH] = {0};
LONG retVal = 0;
GetModuleFileName(AfxGetInstanceHandle(), temp, MAX_PATH);
CRegKeyEx reg;
retVal = reg.Open(HKEY_CURRENT_USER, f_RegDir);
if (retVal != ERROR_SUCCESS)
{
CString msg;
msg.Format(_T("Failed to open registry key HKCU/%s:\n\t%d : %s"),
f_RegDir, retVal, GetSysError(retVal).c_str());
LogErrorString(msg);
return;
}
// Save path to WinMerge(U).exe
retVal = reg.WriteString(f_RegValuePath, temp);
if (retVal != ERROR_SUCCESS)
{
CString msg;
msg.Format(_T("Failed to set registry value %s:\n\t%d : %s"),
f_RegValuePath, retVal, GetSysError(retVal).c_str());
LogErrorString(msg);
}
// Determine bitmask for shell extension
DWORD dwContextEnabled = reg.ReadDword(f_RegValueEnabled, 0);
if (m_bContextAdded)
dwContextEnabled |= CONTEXT_F_ENABLED;
else
dwContextEnabled &= ~CONTEXT_F_ENABLED;
if (m_bContextAdvanced)
dwContextEnabled |= CONTEXT_F_ADVANCED;
else
dwContextEnabled &= ~CONTEXT_F_ADVANCED;
if (m_bContextSubfolders)
dwContextEnabled |= CONTEXT_F_SUBFOLDERS;
else
dwContextEnabled &= ~CONTEXT_F_SUBFOLDERS;
retVal = reg.WriteDword(f_RegValueEnabled, dwContextEnabled);
if (retVal != ERROR_SUCCESS)
{
CString msg;
msg.Format(_T("Failed to set registry value %s to %d:\n\t%d : %s"),
f_RegValueEnabled, dwContextEnabled, retVal, GetSysError(retVal).c_str());
LogErrorString(msg);
}
}