/// <summary>
/// Acctually read a registry value. Requires knowledge of the
/// value's type and size.
/// </summary>
public object GetValue(RegistryKey rkey, string name, object defaultValue, RegistryValueOptions options)
{
RegistryValueKind type = 0;
int size = 0;
object obj = null;
IntPtr handle = GetHandle(rkey);
int result = RegQueryValueEx(handle, name, IntPtr.Zero, ref type, IntPtr.Zero, ref size);
if (result == Win32ResultCode.FileNotFound || result == Win32ResultCode.MarkedForDeletion)
{
return(defaultValue);
}
if (result != Win32ResultCode.MoreData && result != Win32ResultCode.Success)
{
GenerateException(result);
}
if (type == RegistryValueKind.String)
{
byte[] data;
result = GetBinaryValue(rkey, name, type, out data, size);
obj = RegistryKey.DecodeString(data);
}
else if (type == RegistryValueKind.ExpandString)
{
byte [] data;
result = GetBinaryValue(rkey, name, type, out data, size);
obj = RegistryKey.DecodeString(data);
if ((options & RegistryValueOptions.DoNotExpandEnvironmentNames) == 0)
{
obj = Environment.ExpandEnvironmentVariables((string)obj);
}
}
else if (type == RegistryValueKind.DWord)
{
int data = 0;
result = RegQueryValueEx(handle, name, IntPtr.Zero, ref type, ref data, ref size);
obj = data;
}
else if (type == RegistryValueKind.QWord)
{
long data = 0;
result = RegQueryValueEx(handle, name, IntPtr.Zero, ref type, ref data, ref size);
obj = data;
}
else if (type == RegistryValueKind.Binary)
{
byte[] data;
result = GetBinaryValue(rkey, name, type, out data, size);
obj = data;
}
else if (type == RegistryValueKind.MultiString)
{
obj = null;
byte[] data;
result = GetBinaryValue(rkey, name, type, out data, size);
if (result == Win32ResultCode.Success)
{
obj = RegistryKey.DecodeString(data).Split('\0');
}
}
else
{
// should never get here
throw new SystemException();
}
// check result codes again:
if (result != Win32ResultCode.Success)
{
GenerateException(result);
}
return(obj);
}
public object GetValue(RegistryKey rkey, string name, object defaultValue, RegistryValueOptions options)
{
RegistryValueKind registryValueKind = RegistryValueKind.Unknown;
int size = 0;
IntPtr handle = Win32RegistryApi.GetHandle(rkey);
int num = Win32RegistryApi.RegQueryValueEx(handle, name, IntPtr.Zero, ref registryValueKind, IntPtr.Zero, ref size);
if (num == 2 || num == 1018)
{
return(defaultValue);
}
if (num != 234 && num != 0)
{
this.GenerateException(num);
}
object obj;
if (registryValueKind == RegistryValueKind.String)
{
byte[] data;
num = this.GetBinaryValue(rkey, name, registryValueKind, out data, size);
obj = RegistryKey.DecodeString(data);
}
else if (registryValueKind == RegistryValueKind.ExpandString)
{
byte[] data2;
num = this.GetBinaryValue(rkey, name, registryValueKind, out data2, size);
obj = RegistryKey.DecodeString(data2);
if ((options & RegistryValueOptions.DoNotExpandEnvironmentNames) == RegistryValueOptions.None)
{
obj = Environment.ExpandEnvironmentVariables((string)obj);
}
}
else if (registryValueKind == RegistryValueKind.DWord)
{
int num2 = 0;
num = Win32RegistryApi.RegQueryValueEx(handle, name, IntPtr.Zero, ref registryValueKind, ref num2, ref size);
obj = num2;
}
else if (registryValueKind == RegistryValueKind.Binary)
{
byte[] array;
num = this.GetBinaryValue(rkey, name, registryValueKind, out array, size);
obj = array;
}
else
{
if (registryValueKind != RegistryValueKind.MultiString)
{
throw new SystemException();
}
obj = null;
byte[] data3;
num = this.GetBinaryValue(rkey, name, registryValueKind, out data3, size);
if (num == 0)
{
obj = RegistryKey.DecodeString(data3).Split(new char[1]);
}
}
if (num != 0)
{
this.GenerateException(num);
}
return(obj);
}
