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7
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1 #include "stdafx.h"
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2
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3 // Returns key for HKEY_CURRENT_USER\"Software"\Company\AppName
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4 // creating it if it doesn't exist
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5 // responsibility of the caller to call RegCloseKey() on the returned HKEY
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6 //
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7 HKEY GetAppKey (char* AppName)
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8 {
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9 HKEY hAppKey = NULL;
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10 HKEY hSoftKey = NULL;
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11 if (RegOpenKeyEx (HKEY_CURRENT_USER, "Software", 0, KEY_WRITE | KEY_READ,
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12 &hSoftKey) == ERROR_SUCCESS)
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13 {
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14 DWORD Dummy;
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15 RegCreateKeyEx (hSoftKey, AppName, 0, REG_NONE,
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16 REG_OPTION_NON_VOLATILE, KEY_WRITE | KEY_READ, NULL,
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17 &hAppKey, &Dummy);
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18 }
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19 if (hSoftKey)
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20 RegCloseKey (hSoftKey);
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21
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22 return hAppKey;
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23 }
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24
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25 // Returns key for
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26 // HKEY_CURRENT_USER\"Software"\RegistryKey\AppName\Section
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27 // creating it if it doesn't exist.
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28 // responsibility of the caller to call RegCloseKey () on the returned HKEY
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29 //
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30 HKEY GetSectionKey (HKEY hAppKey, LPCTSTR Section)
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31 {
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32 HKEY hSectionKey = NULL;
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33 DWORD Dummy;
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34 RegCreateKeyEx (hAppKey, Section, 0, REG_NONE,
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35 REG_OPTION_NON_VOLATILE, KEY_WRITE|KEY_READ, NULL,
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36 &hSectionKey, &Dummy);
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37 return hSectionKey;
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38 }
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39
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40 int GetRegistryInt (HKEY hSectionKey, LPCTSTR Entry, int Default)
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41 {
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42 DWORD Value;
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43 DWORD Type;
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44 DWORD Count = sizeof (DWORD);
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45 if (RegQueryValueEx (hSectionKey, (LPTSTR) Entry, NULL, &Type,
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46 (LPBYTE) &Value, &Count) == ERROR_SUCCESS)
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47 return Value;
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48 return Default;
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49 }
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50
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51 bool WriteRegistryInt (HKEY hSectionKey, char* Entry, int nValue)
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52 {
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53 return RegSetValueEx (hSectionKey, Entry, NULL, REG_DWORD,
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54 (LPBYTE) &nValue, sizeof (nValue)) == ERROR_SUCCESS;
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55 }
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56
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