public static KeyHandle Create(
KeyAccess access,
string name,
ObjectFlags objectFlags,
KeyHandle rootDirectory,
RegOptions createOptions,
out KeyCreationDisposition creationDisposition
)
{
NtStatus status;
ObjectAttributes oa = new ObjectAttributes(name, objectFlags, rootDirectory);
IntPtr handle;
try
{
if ((status = Win32.NtCreateKey(
out handle,
access,
ref oa,
0,
IntPtr.Zero,
createOptions,
out creationDisposition
)) >= NtStatus.Error)
{
Win32.ThrowLastError(status);
}
}
finally
{
oa.Dispose();
}
return(new KeyHandle(handle, true));
}
public static KeyHandle Create(
KeyAccess access,
string name,
RegOptions createOptions
)
{
return(Create(access, name, 0, null, createOptions));
}
private static extern int RegCreateKeyEx(
uint hKey,
string lpSubKey,
int lpReserved,
string lpClass,
RegOptions dwOptions,
int samDesired,
IntPtr lpSecurityAttributes,
ref uint phkResult,
ref KeyDisposition lpdwDisposition);
/// <summary>
/// Creates a new subkey or opens an existing subkey.
/// The string subKey is not case-sensitive.
/// <para><b>New in v1.3</b></para>
/// </summary>
/// <param name="subkey">Name or path of subkey to create or open.</param>
/// <param name="createVolatile">If true creates a volatile key (Requires Windows CE 5.0).</param>
/// <returns>Returns the subkey, or null if the operation failed.</returns>
/// <exception cref="System.ArgumentNullException">The specified subkey is null.</exception>
/// <exception cref="System.ArgumentException">The length of the specified subkey is longer than the maximum length allowed (255 characters).</exception>
/// <exception cref="System.ObjectDisposedException">The RegistryKey on which this method is being invoked is closed (closed keys cannot be accessed).</exception>
public RegistryKey CreateSubKey(string subkey, bool createVolatile)
{
//check handle is valid
if (CheckHKey())
{
//check subkey is not null
if (subkey != null)
{
//check subkey length
if (subkey.Length < 256)
{
//handle to new registry key
uint newhandle = 0;
//key disposition - did this create a new key or open an existing key
KeyDisposition kdisp = 0;
//options
RegOptions options = 0;
if (createVolatile)
{
options = RegOptions.Volatile;
}
//create new key
int result = RegCreateKeyEx(m_handle, subkey, 0, null, options, 0, IntPtr.Zero, ref newhandle, ref kdisp);
if (result == 0)
{
//success return the new key
return(new RegistryKey(newhandle, m_name + "\\" + subkey, true, false));
}
else
{
throw new ExternalException("An error occured creating the registry key.");
}
}
else
{
//name is more than 255 chars
throw new ArgumentException("The length of the specified subkey is longer than the maximum length allowed (255 characters).");
}
}
else
{
throw new ArgumentNullException("The specified subkey is null.");
}
}
else
{
//registry key is closed
throw new ObjectDisposedException("The RegistryKey on which this method is being invoked is closed (closed keys cannot be accessed).");
}
}
public static KeyHandle Create(
KeyAccess access,
string name,
ObjectFlags objectFlags,
KeyHandle rootDirectory,
RegOptions createOptions
)
{
KeyCreationDisposition creationDisposition;
return(Create(access, name, objectFlags, rootDirectory, createOptions, out creationDisposition));
}
private static extern int RegCreateKeyEx( uint hKey, string lpSubKey, int lpReserved, string lpClass, RegOptions dwOptions, int samDesired, IntPtr lpSecurityAttributes, ref uint phkResult, ref KeyDisposition lpdwDisposition);
public static extern Win32Error RegCreateKeyEx(
IntPtr hKey,
[MarshalAs(UnmanagedType.LPWStr)] string lpSubKey,
uint Reserved,
[MarshalAs(UnmanagedType.LPWStr)] string lpClass,
RegOptions dwOptions,
RegSecurityAndAccessMask samDesired,
IntPtr lpSecurityAttributes,
out IntPtr phkResult,
out RegDisposition lpdwDisposition);
