private void DeleteSubKeyTreeInternal(string subkey)
{
int errorCode = 0;
SafeTransactionHandle transactionHandle = this.GetTransactionHandle();
TransactedRegistryKey key = this.InternalOpenSubKey(subkey, true);
if (key == null)
{
throw new ArgumentException(RegistryProviderStrings.Arg_RegSubKeyAbsent);
}
try
{
if (key.InternalSubKeyCount() > 0)
{
string[] subKeyNames = key.InternalGetSubKeyNames();
for (int i = 0; i < subKeyNames.Length; i++)
{
key.DeleteSubKeyTreeInternal(subKeyNames[i]);
}
}
}
finally
{
key.Close();
}
errorCode = Microsoft.PowerShell.Commands.Internal.Win32Native.RegDeleteKeyTransacted(this.hkey, subkey, 0, 0, transactionHandle, IntPtr.Zero);
if (errorCode != 0)
{
this.Win32Error(errorCode, null);
}
}
public void DeleteSubKey(string subkey, bool throwOnMissingSubKey)
{
ValidateKeyName(subkey);
this.EnsureWriteable();
subkey = FixupName(subkey);
this.CheckSubKeyWritePermission(subkey);
TransactedRegistryKey key = this.InternalOpenSubKey(subkey, false);
if (key != null)
{
try
{
if (key.InternalSubKeyCount() > 0)
{
throw new InvalidOperationException(RegistryProviderStrings.InvalidOperation_RegRemoveSubKey);
}
}
finally
{
key.Close();
}
int errorCode = 0;
SafeTransactionHandle transactionHandle = this.GetTransactionHandle();
errorCode = Microsoft.PowerShell.Commands.Internal.Win32Native.RegDeleteKeyTransacted(this.hkey, subkey, 0, 0, transactionHandle, IntPtr.Zero);
switch (errorCode)
{
case 0:
return;
case 2:
if (throwOnMissingSubKey)
{
throw new ArgumentException(RegistryProviderStrings.ArgumentException_RegSubKeyAbsent);
}
return;
}
this.Win32Error(errorCode, null);
}
else if (throwOnMissingSubKey)
{
throw new ArgumentException(RegistryProviderStrings.ArgumentException_RegSubKeyAbsent);
}
}
public void DeleteSubKeyTree(string subkey)
{
ValidateKeyName(subkey);
if ((string.IsNullOrEmpty(subkey) || (subkey.Length == 0)) && this.IsSystemKey())
{
throw new ArgumentException(RegistryProviderStrings.ArgRegKeyDelHive);
}
this.EnsureWriteable();
int errorCode = 0;
SafeTransactionHandle transactionHandle = this.GetTransactionHandle();
subkey = FixupName(subkey);
this.CheckSubTreeWritePermission(subkey);
TransactedRegistryKey key = this.InternalOpenSubKey(subkey, true);
if (key == null)
{
throw new ArgumentException(RegistryProviderStrings.Arg_RegSubKeyAbsent);
}
try
{
if (key.InternalSubKeyCount() > 0)
{
string[] subKeyNames = key.InternalGetSubKeyNames();
for (int i = 0; i < subKeyNames.Length; i++)
{
key.DeleteSubKeyTreeInternal(subKeyNames[i]);
}
}
}
finally
{
key.Close();
}
errorCode = Microsoft.PowerShell.Commands.Internal.Win32Native.RegDeleteKeyTransacted(this.hkey, subkey, 0, 0, transactionHandle, IntPtr.Zero);
if (errorCode != 0)
{
this.Win32Error(errorCode, null);
}
}