/// <summary>
/// Tries to opens a subkey.
/// Will handle multi-level names, such as "Software\SubKey\Subkey2\"
/// </summary>
/// <param name="name">Name of the subkey to open.</param>
/// <param name="key">The newly opened subkey</param>
/// <returns>True if the operation was sucessful, false otherwise.</returns>
public bool TryOpenSubKey(string name, out OffregKey key)
{
IntPtr childPtr;
Win32Result result = OffregNative.OpenKey(_intPtr, name, out childPtr);
if (result != Win32Result.ERROR_SUCCESS)
{
key = null;
return(false);
}
key = new OffregKey(this, childPtr, name);
return(true);
}
/// <summary>
/// Constructor, opens a subkey.
/// </summary>
/// <param name="parentKey">The parent key.</param>
/// <param name="name">The name of the subkey to open.</param>
internal OffregKey(OffregKey parentKey, string name)
{
Win32Result result = OffregNative.OpenKey(parentKey._intPtr, name, out _intPtr);
if (result != Win32Result.ERROR_SUCCESS)
{
throw new Win32Exception((int)result);
}
Name = name;
FullName = (parentKey.FullName == null ? "" : parentKey.FullName + "\\") + name;
_parent = parentKey;
_metadata = new QueryInfoKeyData();
RefreshMetadata();
}
/// <summary>
/// Detect if a subkey exists in this key.
/// </summary>
/// <param name="name">The subkey to find</param>
/// <returns>True if it exists, false otherwise.</returns>
public bool SubkeyExist(string name)
{
IntPtr intPtr = IntPtr.Zero;
try
{
Win32Result result = OffregNative.OpenKey(_intPtr, name, out intPtr);
return(result == Win32Result.ERROR_SUCCESS);
}
finally
{
// Close up shop
if (intPtr != IntPtr.Zero)
{
OffregNative.CloseKey(intPtr);
}
}
}