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note description: "Versioning information about Windows" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2018-01-22 03:53:58 -0900 (Mon, 22 Jan 2018) $" revision: "$Revision: 101255 $" class interface WEL_OS_VERSION_INFO create make -- Allocate item ensure -- from WEL_STRUCTURE not_shared: not shared feature -- Access generating_type: TYPE [detachable WEL_OS_VERSION_INFO] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty item: POINTER -- Generic Windows handle or structure pointer. -- Can be a HWND, HICON, RECT *, WNDCLASS *, etc... -- (from WEL_ANY) feature -- Measurement structure_size: INTEGER_32 -- Size to allocate (in bytes) ensure -- from WEL_STRUCTURE positive_result: Result > 0 feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal (other: WEL_OS_VERSION_INFO): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal (other: WEL_OS_VERSION_INFO): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report build_number: INTEGER_32 -- Build number of the operating system. -- On Windows Me/98/95: --  # The low-order word contains the build number of the operating system. --  # The high-order word contains the major and minor version numbers. require exists: exists conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void exists: BOOLEAN -- Does the item exist? -- (from WEL_ANY) ensure -- from WEL_ANY Result = (item /= default_pointer) major_version: INTEGER_32 -- Major version number of the operating system. require exists: exists minor_version: INTEGER_32 -- Minor version number of the operating system. require exists: exists platform_id: INTEGER_32 -- Operating system platform. require exists: exists ensure result_valid: Result = Win32_nt_platform or Result = Win32_windows_platform or Result = Win32_platform same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) shared: BOOLEAN -- Is item shared by another object? -- If False (by default), item will -- be destroyed by destroy_item. -- If True, item will not be destroyed. -- (from WEL_ANY) feature -- Status setting set_shared -- Set shared to True. -- (from WEL_ANY) ensure -- from WEL_ANY shared: shared set_unshared -- Set shared to False. -- (from WEL_ANY) ensure -- from WEL_ANY unshared: not shared feature -- Element change set_item (an_item: POINTER) -- Set item with an_item -- (from WEL_ANY) ensure -- from WEL_ANY item_set: item = an_item feature -- Removal dispose -- Destroy the inner structure of Current. -- -- This function should be called by the GC when the -- object is collected or by the user if Current is -- no more usefull. -- (from WEL_ANY) feature -- Duplication frozen deep_copy (other: WEL_OS_VERSION_INFO) -- Effect equivalent to that of: -- copy (other . deep_twin) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: WEL_OS_VERSION_INFO -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: WEL_OS_VERSION_INFO) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: WEL_OS_VERSION_INFO -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: WEL_OS_VERSION_INFO -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations copy (other: WEL_OS_VERSION_INFO) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from WEL_STRUCTURE) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen default: detachable WEL_OS_VERSION_INFO -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.default for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class initialize -- Fill Current with zeros. -- (from WEL_STRUCTURE) require -- from WEL_STRUCTURE exists: exists initialize_with_character (a_character: CHARACTER_8) -- Fill current with a_character. -- (from WEL_STRUCTURE) require -- from WEL_STRUCTURE exists: exists is_equal (other: WEL_OS_VERSION_INFO): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from WEL_STRUCTURE) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result memory_copy (source_pointer: POINTER; length: INTEGER_32) -- Copy length bytes from source_pointer to item. -- (from WEL_STRUCTURE) require -- from WEL_STRUCTURE length_small_enough: length <= structure_size length_large_enough: length > 0 exists: exists feature -- Constants Major_post_vista: INTEGER_32 = 6 -- Windows Vista, Windows Server 2008, Windows 7 Major_post_win2k: INTEGER_32 = 5 -- Windows Server 2003, Windows XP, or Windows 2000. Major_pre_win2k: INTEGER_32 = 4 -- Windows NT 4.0, Windows Me, Windows 98, or Windows 95. Win32_nt_platform: INTEGER_32 = 2 -- Windows Server 2003, Windows XP, Windows 2000, or Windows NT Win32_platform: INTEGER_32 = 0 -- Win32 API on Windows 3.1 Win32_windows_platform: INTEGER_32 = 1 -- Windows Me, Windows 98, or Windows 95. feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2018, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class WEL_OS_VERSION_INFO
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