Package com.sun.jna.platform.win32

# Class WinNT.OSVERSIONINFO

java.lang.Object
com.sun.jna.Structure
com.sun.jna.platform.win32.WinNT.OSVERSIONINFO

Enclosing interface:
  WinNT

@FieldOrder({"dwOSVersionInfoSize","dwMajorVersion","dwMinorVersion","dwBuildNumber","dwPlatformId","szCSDVersion"}) public static class WinNT.OSVERSIONINFO extends Structure
The OSVERSIONINFO data structure contains operating system version information. The information includes major and minor version numbers, a build number, a platform identifier, and descriptive text about the operating system. This structure is used with the GetVersionEx function.

## Nested Class Summary

## Nested classes/interfaces inherited from class com.sun.jna.Structure

`Structure.ByReference, Structure.ByValue, Structure.FieldOrder, Structure.StructField`

## Field Summary

Fields
Modifier and Type
Field
Description
`WinDef.DWORD`
`dwBuildNumber`
Build number of the operating system.
`WinDef.DWORD`
`dwMajorVersion`
Major version number of the operating system.
`WinDef.DWORD`
`dwMinorVersion`
Minor version number of the operating system.
`WinDef.DWORD`
`dwOSVersionInfoSize`
Size of this data structure, in bytes.
`WinDef.DWORD`
`dwPlatformId`
Operating system platform.
`char[]`
`szCSDVersion`
Pointer to a null-terminated string, such as "Service Pack 3", that indicates the latest Service Pack installed on the system.

### Fields inherited from class com.sun.jna.Structure

`ALIGN_DEFAULT, ALIGN_GNUC, ALIGN_MSVC, ALIGN_NONE, CALCULATE_SIZE`

## Constructor Summary

Constructors
Constructor
Description
`OSVERSIONINFO()`
`OSVERSIONINFO(Pointer memory)`

## Method Summary

### Methods inherited from class com.sun.jna.Structure

`allocateMemory, allocateMemory, autoAllocate, autoRead, autoRead, autoWrite, autoWrite, cacheTypeInfo, calculateSize, clear, createFieldsOrder, createFieldsOrder, createFieldsOrder, createFieldsOrder, dataEquals, dataEquals, ensureAllocated, equals, fieldOffset, getAutoRead, getAutoWrite, getFieldList, getFieldOrder, getFields, getNativeAlignment, getNativeSize, getNativeSize, getPointer, getStringEncoding, getStructAlignment, hashCode, newInstance, newInstance, read, readField, readField, setAlignType, setAutoRead, setAutoSynch, setAutoWrite, setStringEncoding, size, sortFields, toArray, toArray, toString, toString, useMemory, useMemory, write, writeField, writeField, writeField`

### Methods inherited from class java.lang.Object

`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

## Field Details

### dwOSVersionInfoSize

public WinDef.DWORD dwOSVersionInfoSize
Size of this data structure, in bytes. Set this member to sizeof(OSVERSIONINFO) before calling the GetVersionEx function.

### dwMajorVersion

public WinDef.DWORD dwMajorVersion
Major version number of the operating system.

### dwMinorVersion

public WinDef.DWORD dwMinorVersion
Minor version number of the operating system.

### dwBuildNumber

public WinDef.DWORD dwBuildNumber
Build number of the operating system.

### dwPlatformId

public WinDef.DWORD dwPlatformId
Operating system platform.

### szCSDVersion

public char[] szCSDVersion
Pointer to a null-terminated string, such as "Service Pack 3", that indicates the latest Service Pack installed on the system.

## Constructor Details

### OSVERSIONINFO

public OSVERSIONINFO()

### OSVERSIONINFO

public OSVERSIONINFO(Pointer memory)