110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
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/*-----------------------------------------------**
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** Copyright (c) 1998 Microsoft Corporation **
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** All Rights reserved **
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** **
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** reg.c **
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** **
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** Functions for reading, writing, and deleting **
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** registry keys **
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** 07-01-98 a-clindh Created **
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**-----------------------------------------------*/
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#include "tsvs.h"
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///////////////////////////////////////////////////////////////////////////////
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// i is the index of the KeyName variable in Global.cpp
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// nKeyValue is the value we want to store.
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///////////////////////////////////////////////////////////////////////////////
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void SetRegKey(int i, LONG * nKeyValue)
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{
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HKEY hKey;
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DWORD dwDisposition;
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if (RegCreateKeyEx(HKEY_CURRENT_USER, szWinStaKey,
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0, "REG_DWORD", REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, 0, &hKey, &dwDisposition)
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== ERROR_SUCCESS) {
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//
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// write the key value to the registry
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//
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RegSetValueEx(hKey, KeyName[i], 0, REG_DWORD,
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(const BYTE *)nKeyValue,
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sizeof(DWORD));
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RegCloseKey(hKey);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// i is the index of the KeyName variable in Global.cpp
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///////////////////////////////////////////////////////////////////////////////
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void DeleteRegKey(int i)
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{
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HKEY hKey;
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if (RegOpenKeyEx(HKEY_CURRENT_USER, szWinStaKey, 0,
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KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS) {
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RegDeleteValue(hKey, KeyName[i]);
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RegCloseKey(hKey);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// returns TRUE if the registry key is there and FALSE if it isn't
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///////////////////////////////////////////////////////////////////////////////
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BOOL CheckForRegKey(int i)
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{
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DWORD *dwKeyValue;
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HKEY hKey;
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DWORD dwType;
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DWORD dwSize;
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dwType = REG_SZ;
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dwSize = sizeof(DWORD);
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if (RegOpenKeyEx(HKEY_CURRENT_USER, szWinStaKey, 0,
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KEY_READ, &hKey) == ERROR_SUCCESS) {
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if (RegQueryValueEx(hKey, KeyName[i], 0,
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&dwType, (LPBYTE) &dwKeyValue,
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&dwSize) == ERROR_SUCCESS) {
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RegCloseKey(hKey);
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return TRUE;
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}
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RegCloseKey(hKey);
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}
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return FALSE;
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}
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///////////////////////////////////////////////////////////////////////////////
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// pass the index of the KeyName variable and the function
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// returns the value stored in the registry
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///////////////////////////////////////////////////////////////////////////////
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int GetRegKeyValue(int i)
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{
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int nKeyValue;
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HKEY hKey;
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DWORD dwType;
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DWORD dwSize;
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dwType = REG_SZ;
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dwSize = sizeof(DWORD);
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if (RegOpenKeyEx(HKEY_CURRENT_USER, szWinStaKey, 0,
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KEY_READ, &hKey) == ERROR_SUCCESS) {
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if (RegQueryValueEx(hKey, KeyName[i], 0,
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&dwType, (LPBYTE) &nKeyValue,
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&dwSize) == ERROR_SUCCESS) {
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RegCloseKey(hKey);
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return nKeyValue;
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}
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RegCloseKey(hKey);
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}
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////
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