public static void SetValueString(UIntPtr key, string subkey, string valueName, string value, Wow64 wow64)
{
UIntPtr regKeyHandle;
uint sam = (uint)(Rights.CreateSubKey | Rights.SetValue) + (uint)wow64;
uint options = (uint)Options.NonVolatile;
Disposition disposition;
if (RegCreateKeyEx(key, subkey, 0, null, options, sam, IntPtr.Zero, out regKeyHandle, out disposition) != 0)
{
throw new Exception("Could not open or craete key");
}
try {
uint type = (uint)ValueType.String;
uint lenBytesPlusNull = ((uint)value.Length + 1) * 2;
var result = RegSetValueExW(regKeyHandle, valueName, 0, type, value, lenBytesPlusNull);
if (result != 0)
{
throw new Exception(string.Format("Error {0} setting registry key '{1}{2}@{3}'='{4}'",
result, key, subkey, valueName, value));
}
} finally {
RegCloseKey(regKeyHandle);
}
}
public static string GetValueString(UIntPtr key, string subkey, string valueName, Wow64 wow64)
{
UIntPtr regKeyHandle;
uint sam = (uint)Rights.QueryValue + (uint)wow64;
if (RegOpenKeyEx(key, subkey, 0, sam, out regKeyHandle) != 0)
{
return(null);
}
try {
uint type;
var sb = new StringBuilder(2048);
uint cbData = (uint)sb.Capacity;
if (RegQueryValueExW(regKeyHandle, valueName, 0, out type, sb, ref cbData) == 0)
{
return(sb.ToString());
}
return(null);
} finally {
RegCloseKey(regKeyHandle);
}
}
public static string GetValueString (UIntPtr key, string subkey, string valueName, Wow64 wow64)
{
UIntPtr regKeyHandle;
uint sam = (uint)Rights.QueryValue + (uint)wow64;
if (RegOpenKeyEx (key, subkey, 0, sam, out regKeyHandle) != 0)
return null;
try {
uint type;
var sb = new StringBuilder (2048);
uint cbData = (uint) sb.Capacity;
if (RegQueryValueExW (regKeyHandle, valueName, 0, out type, sb, ref cbData) == 0) {
return sb.ToString ();
}
return null;
} finally {
RegCloseKey (regKeyHandle);
}
}
public static void SetValueString (UIntPtr key, string subkey, string valueName, string value, Wow64 wow64)
{
UIntPtr regKeyHandle;
uint sam = (uint)(Rights.CreateSubKey | Rights.SetValue) + (uint)wow64;
uint options = (uint) Options.NonVolatile;
Disposition disposition;
if (RegCreateKeyEx (key, subkey, 0, null, options, sam, IntPtr.Zero, out regKeyHandle, out disposition) != 0) {
throw new Exception ("Could not open or craete key");
}
try {
uint type = (uint)ValueType.String;
uint lenBytesPlusNull = ((uint)value.Length + 1) * 2;
var result = RegSetValueExW (regKeyHandle, valueName, 0, type, value, lenBytesPlusNull);
if (result != 0)
throw new Exception (string.Format ("Error {0} setting registry key '{1}{2}@{3}'='{4}'",
result, key, subkey, valueName, value));
} finally {
RegCloseKey (regKeyHandle);
}
}
public static IEnumerable <string> EnumerateSubkeys(UIntPtr key, string subkey, Wow64 wow64)
{
UIntPtr regKeyHandle;
uint sam = (uint)Rights.Read + (uint)wow64;
int r = RegOpenKeyEx(key, subkey, 0, sam, out regKeyHandle);
if (r != 0)
{
yield break;
}
try {
r = RegQueryInfoKey(
hKey: regKeyHandle,
lpClass: IntPtr.Zero,
lpcchClass: IntPtr.Zero,
lpReserved: IntPtr.Zero,
lpcSubkey: out uint cSubkeys,
lpcchMaxSubkeyLen: out uint cchMaxSubkeyLen,
lpcchMaxClassLen: IntPtr.Zero,
lpcValues: IntPtr.Zero,
lpcchMaxValueNameLen: IntPtr.Zero,
lpcbMaxValueLen: IntPtr.Zero,
lpSecurityDescriptor: IntPtr.Zero,
lpftLastWriteTime: IntPtr.Zero
);
if (r != 0)
{
yield break;
}
var name = new char [cchMaxSubkeyLen + 1];
for (uint i = 0; i < cSubkeys; ++i)
{
var nameLen = (uint)name.Length;
r = RegEnumKeyExW(
hKey: regKeyHandle,
dwIndex: i,
lpName: name,
lpcchName: ref nameLen,
lpReserved: IntPtr.Zero,
lpClass: IntPtr.Zero,
lpcchClass: IntPtr.Zero,
lpftLastWriteTime: IntPtr.Zero
);
if (r != 0)
{
continue;
}
yield return(new string (name, 0, (int)nameLen));
}
}
finally {
RegCloseKey(regKeyHandle);
}
}
