Exception: Win32::Registry::Error

Inherits:
StandardError
  • Object
show all
Defined in:
lib/win32/registry.rb

Overview

Error

Defined Under Namespace

Modules: Kernel32

Constant Summary collapse

FormatMessageW = 
Kernel32.extern "int FormatMessageW(int, void *, int, int, void *, int, void *)", :stdcall

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code) ⇒ Error

Returns a new instance of Error.



176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
 
# File 'lib/win32/registry.rb', line 176

def initialize(code)
  @code = code
  buff = WCHAR_NUL * 1024
  lang = 0
  begin
    len = FormatMessageW.call(0x1200, 0, code, lang, buff, 1024, 0)
    msg = buff.byteslice(0, len * WCHAR_SIZE)
    msg.delete!(WCHAR_CR)
    msg.chomp!
    msg.encode!(LOCALE)
  rescue EncodingError
    raise unless lang == 0
    lang = 0x0409         # en_US
    retry
  end
  super msg
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



193
194
195
 
# File 'lib/win32/registry.rb', line 193

def code
  @code
end