/// <summary>
/// Sets the subentry properties for an existing subentry, or creates a new subentry.
/// </summary>
/// <param name="phoneBook">Required. The <see cref="DotRas.RasPhoneBook"/> that will contain the entry.</param>
/// <param name="entry">Required. The <see cref="DotRas.RasEntry"/> whose subentry to set.</param>
/// <param name="subEntryId">The zero-based index of the subentry to set.</param>
/// <param name="value">An <see cref="DotRas.RasSubEntry"/> object whose properties to set.</param>
/// <returns><b>true</b> if the operation was successful, otherwise <b>false</b>.</returns>
/// <exception cref="System.ArgumentNullException"><paramref name="phoneBook"/> or <paramref name="entry"/> or <paramref name="value"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception>
/// <exception cref="System.UnauthorizedAccessException">The caller does not have the required permission to perform the action requested.</exception>
public bool SetSubEntryProperties(RasPhoneBook phoneBook, RasEntry entry, int subEntryId, RasSubEntry value)
{
if (phoneBook == null)
{
ThrowHelper.ThrowArgumentNullException("phoneBook");
}
if (value == null)
{
ThrowHelper.ThrowArgumentNullException("value");
}
if (entry == null)
{
ThrowHelper.ThrowArgumentNullException("entry");
}
bool retval = false;
int size = Marshal.SizeOf(typeof(NativeMethods.RASSUBENTRY));
int lpCb = size;
IntPtr lpRasSubEntry = IntPtr.Zero;
try
{
NativeMethods.RASSUBENTRY subentry = new NativeMethods.RASSUBENTRY();
subentry.size = size;
subentry.phoneNumber = value.PhoneNumber;
if (value.Device != null)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(RasDeviceType));
if (converter == null)
{
ThrowHelper.ThrowInvalidOperationException(Resources.Exception_TypeConverterNotFound, "RasDeviceType");
}
subentry.deviceName = value.Device.Name;
subentry.deviceType = converter.ConvertToString(value.Device.DeviceType);
}
int alternatesLength = 0;
string alternatesList = Utilities.BuildStringList(value.AlternatePhoneNumbers, '\x00', out alternatesLength);
if (alternatesLength > 0)
{
lpCb = size + alternatesLength;
subentry.alternateOffset = size;
}
lpRasSubEntry = Marshal.AllocHGlobal(lpCb);
Marshal.StructureToPtr(subentry, lpRasSubEntry, true);
if (alternatesLength > 0)
{
Utilities.CopyString(lpRasSubEntry, size, alternatesList, alternatesLength);
}
try
{
int ret = UnsafeNativeMethods.Instance.SetSubEntryProperties(phoneBook.Path, entry.Name, subEntryId + 2, lpRasSubEntry, lpCb, IntPtr.Zero, 0);
if (ret == NativeMethods.SUCCESS)
{
retval = true;
}
else
{
ThrowHelper.ThrowRasException(ret);
}
}
catch (EntryPointNotFoundException)
{
ThrowHelper.ThrowNotSupportedException(Resources.Exception_NotSupportedOnPlatform);
}
}
finally
{
if (lpRasSubEntry != IntPtr.Zero)
{
Marshal.FreeHGlobal(lpRasSubEntry);
}
}
return retval;
}
/// <summary>
/// Retrieves the subentry properties for an entry within a phone book.
/// </summary>
/// <param name="phoneBook">Required. The <see cref="DotRas.RasPhoneBook"/> containing the entry.</param>
/// <param name="entry">Required. The <see cref="DotRas.RasEntry"/> containing the subentry.</param>
/// <param name="subEntryId">The zero-based index of the subentry to retrieve.</param>
/// <returns>A new <see cref="DotRas.RasSubEntry"/> object.</returns>
/// <exception cref="System.ArgumentNullException"><paramref name="phoneBook"/> or <paramref name="entry"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception>
/// <exception cref="System.UnauthorizedAccessException">The caller does not have the required permission to perform the action requested.</exception>
public RasSubEntry GetSubEntryProperties(RasPhoneBook phoneBook, RasEntry entry, int subEntryId)
{
if (phoneBook == null)
{
ThrowHelper.ThrowArgumentNullException("phoneBook");
}
if (entry == null)
{
ThrowHelper.ThrowArgumentNullException("entry");
}
RasSubEntry retval = null;
int size = Marshal.SizeOf(typeof(NativeMethods.RASSUBENTRY));
bool retry = false;
IntPtr lpCb = new IntPtr(size);
do
{
NativeMethods.RASSUBENTRY subentry = new NativeMethods.RASSUBENTRY();
subentry.size = size;
IntPtr lpRasSubEntry = IntPtr.Zero;
try
{
lpRasSubEntry = Marshal.AllocHGlobal(lpCb);
Marshal.StructureToPtr(subentry, lpRasSubEntry, true);
try
{
int ret = UnsafeNativeMethods.Instance.GetSubEntryProperties(phoneBook.Path, entry.Name, subEntryId + 2, lpRasSubEntry, ref lpCb, IntPtr.Zero, IntPtr.Zero);
if (ret == NativeMethods.SUCCESS)
{
subentry = Utilities.PtrToStructure<NativeMethods.RASSUBENTRY>(lpRasSubEntry);
retval = new RasSubEntry();
retval.Device = RasDevice.Create(subentry.deviceName, subentry.deviceType);
retval.PhoneNumber = subentry.phoneNumber;
if (subentry.alternateOffset != 0)
{
retval.AlternatePhoneNumbers = Utilities.CreateStringCollectionByLength(lpRasSubEntry, subentry.alternateOffset, lpCb.ToInt32() - subentry.alternateOffset);
}
retry = false;
}
else if (ret == NativeMethods.ERROR_BUFFER_TOO_SMALL)
{
retry = true;
}
else
{
ThrowHelper.ThrowRasException(ret);
}
}
catch (EntryPointNotFoundException)
{
ThrowHelper.ThrowNotSupportedException(Resources.Exception_NotSupportedOnPlatform);
}
}
finally
{
if (lpRasSubEntry != IntPtr.Zero)
{
Marshal.FreeHGlobal(lpRasSubEntry);
}
}
}
while (retry);
return retval;
}
