/// <summary>
/// Detect if a value exists in this key.
/// </summary>
/// <param name="name">The value to find</param>
/// <returns>True if it exists, false otherwise.</returns>
public bool ValueExist(string name)
{
RegValueType type;
uint size = 0;
Win32Result result = OffregNative.GetValue(_intPtr, null, name, out type, IntPtr.Zero, ref size);
return(result == Win32Result.ERROR_SUCCESS);
}
/// <summary>
/// Gets the type of a single value.
/// </summary>
/// <param name="name">The name of the value to retrieve the type of.</param>
/// <returns>The type of the value.</returns>
public RegValueType GetValueKind(string name)
{
RegValueType type;
Win32Result result = OffregNative.GetValue(_intPtr, null, name, out type, IntPtr.Zero, IntPtr.Zero);
if (result != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception((int)result);
}
return(type);
}
/// <summary>
/// Internal helper to get the type and data for a specified value.
/// </summary>
/// <param name="name">The name of the value to retrieve data for.</param>
/// <returns>The type and data for the specified value.</returns>
internal Tuple <RegValueType, byte[]> GetValueInternal(string name)
{
RegValueType type;
// Get the size first
uint size = 0;
Win32Result result = OffregNative.GetValue(_intPtr, null, name, out type, IntPtr.Zero, ref size);
if (result != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception((int)result);
}
// Allocate buffer
byte[] res = new byte[size];
IntPtr dataPtr = IntPtr.Zero;
try
{
dataPtr = Marshal.AllocHGlobal((int)size);
// Get data
result = OffregNative.GetValue(_intPtr, null, name, out type, dataPtr, ref size);
if (result != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception((int)result);
}
// Copy data
Marshal.Copy(dataPtr, res, 0, (int)size);
}
finally
{
// Release data
if (dataPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(dataPtr);
}
}
return(new Tuple <RegValueType, byte[]>(type, res));
}