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Class: Win32::Registry::PredefinedKey

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Win32::Registry
Instance Chain:
self, ::Win32::Registry, Enumerable, Constants
Inherits: Win32::Registry
Defined in: ext/win32/lib/win32/registry.rb

Overview

Predefined Keys

Constant Summary

Constants - Included

HKEY_CLASSES_ROOT, HKEY_CURRENT_CONFIG, HKEY_CURRENT_USER, HKEY_DYN_DATA, HKEY_LOCAL_MACHINE, HKEY_PERFORMANCE_DATA, HKEY_PERFORMANCE_NLSTEXT, HKEY_PERFORMANCE_TEXT, HKEY_USERS, KEY_ALL_ACCESS, KEY_CREATE_LINK, KEY_CREATE_SUB_KEY, KEY_ENUMERATE_SUB_KEYS, KEY_EXECUTE, KEY_NOTIFY, KEY_QUERY_VALUE, KEY_READ, KEY_SET_VALUE, KEY_WRITE, MAX_KEY_LENGTH, MAX_VALUE_LENGTH, REG_BINARY, REG_CREATED_NEW_KEY, REG_DWORD, REG_DWORD_BIG_ENDIAN, REG_DWORD_LITTLE_ENDIAN, REG_EXPAND_SZ, REG_FORCE_RESTORE, REG_FULL_RESOURCE_DESCRIPTOR, REG_LEGAL_OPTION, REG_LINK, REG_MULTI_SZ, REG_NONE, REG_NO_LAZY_FLUSH, REG_OPENED_EXISTING_KEY, REG_OPTION_BACKUP_RESTORE, REG_OPTION_CREATE_LINK, REG_OPTION_NON_VOLATILE, REG_OPTION_OPEN_LINK, REG_OPTION_RESERVED, REG_OPTION_VOLATILE, REG_QWORD, REG_QWORD_LITTLE_ENDIAN, REG_REFRESH_HIVE, REG_RESOURCE_LIST, REG_RESOURCE_REQUIREMENTS_LIST, REG_SZ, REG_WHOLE_HIVE_VOLATILE, STANDARD_RIGHTS_READ, STANDARD_RIGHTS_WRITE

Class Method Summary

::Win32::Registry - Inherited

.create

— create(key, subkey, desired = KEY_ALL_ACCESS, opt = REG_OPTION_RESERVED).
.expand_environ

Replace %w+% into the environment value of what is contained between the %‘s This method is used for REG_EXPAND_SZ.
.new

initialize.
.open

— open(key, subkey, desired = KEY_READ, opt = REG_OPTION_RESERVED).
.time2wtime

Convert Time object or Integer object into 64-bit FILETIME.
.type2name

Convert registry type value to readable string.
.wtime2time

Convert 64-bit FILETIME integer into Time object.

Instance Attribute Summary

::Win32::Registry - Inherited

#created?

Returns if key is created ((newly)).
#disposition

Disposition value (REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY).
#hkey

Returns key handle value.
#keyname

Same as subkey value of open or create method.
#open?

Returns if key is not closed.
#parent

::Win32::Registry object of parent key, or nil if predefeined key.

Instance Method Summary

::Win32::Registry - Inherited

#[]

Read a registry value named name and return its value data.
#[]=

Write value to a registry value named name.
#_dump

marshalling is not allowed.
#close

Close key.
#create

Same as create (self, subkey, desired, opt).
#delete

Alias for #delete_value.
#delete_key

Delete a subkey named name and all its values.
#delete_value

Delete a registry value named name.
#each

Alias for #each_value.
#each_key

Enumerate subkeys.
#each_value

Enumerate values.
#flush

Write all the attributes into the registry file.
#info

Returns key information as Array of: :num_keys.
#inspect,
#keys

return keys as an array.
#name

Full path of key such as ‘HKEY_CURRENT_USERSOFTWAREfoobar’.
#open

Same as open (self, subkey, desired, opt).
#read

Read a registry value named name and return array of [ type, data ].
#read_bin

Read a REG_SZ(read_s), REG_DWORD(read_i), or REG_BINARY(read_bin) registry value named name.
#read_i

Read a REG_SZ(read_s), REG_DWORD(read_i), or REG_BINARY(read_bin) registry value named name.
#read_s

Read a REG_SZ(read_s), REG_DWORD(read_i), or REG_BINARY(read_bin) registry value named name.
#read_s_expand

Read a REG_SZ or REG_EXPAND_SZ registry value named name.
#values

return values as an array.
#write

Write data to a registry value named name.
#write_bin

Write value to a registry value named name.
#write_i

Write value to a registry value named name.
#write_s

Write value to a registry value named name.
#export_string

Constructor Details

.new(hkey, keyname) ⇒ PredefinedKey

[ GitHub ] 

  


# File 'ext/win32/lib/win32/registry.rb', line 200



def initialize(hkey, keyname)
  @hkey = hkey
  @parent = nil
  @keyname = keyname
  @disposition = REG_OPENED_EXISTING_KEY
end


  







Instance Method Details



  

    #class  
  



  

    

Fake #class method for Win32::Registry#open, Win32::Registry#create


  



  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 213



def class
  Registry
end


  








  

    #close  
  



  

    

Predefined keys cannot be closed


  





  
Raises:





  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 208



def close
  raise Error.new(5) ## ERROR_ACCESS_DENIED
end