/// <summary>
/// Indicates if the current OS is a Windows Server release. Applications that need to distinguish between server and client versions of Windows should call this function.
/// </summary>
/// <returns>True if the current OS is a Windows Server version; otherwise, false.</returns>
public static bool IsWindowsServer()
{
var osvi = new OsVersionInfo {
ProductType = OsProductTypes.Server
}.AddCondition(VersionInfoParts.ProductType, Conditions.EqualTo);
return(VerifyVersionInfo(osvi));
}
/// <summary>
/// Indicates if the current OS version matches, or is greater than, the Windows XP version.
/// </summary>
/// <returns>True if the current OS version matches, or is greater than, the Windows XP version; otherwise, false.</returns>
public static bool IsWindowsXPOrGreater()
{
var osvi = new OsVersionInfo
{
MajorVersion = 5,
MinorVersion = 1
}
.AddCondition(VersionInfoParts.MajorVersion, Conditions.GreaterThanEqualTo)
.AddCondition(VersionInfoParts.MinorVersion, Conditions.GreaterThanEqualTo);
return(VerifyVersionInfo(osvi));
}
/// <summary>
/// Indicates if the current OS version matches, or is greater than, the provided version information. This function is useful in confirming a version of Windows Server that doesn't share a version number with a client release.
/// <para>
/// Note: You should only use this function if the other provided version helper functions do not fit your scenario.
/// </para>
/// </summary>
/// <param name="major">The major OS version number.</param>
/// <param name="minor">The minor OS version number.</param>
/// <param name="spMajor">The major Service Pack version number.</param>
/// <returns>TRUE if the specified version matches, or is greater than, the version of the current Windows OS; otherwise, FALSE.</returns>
public static bool IsWindowsVersionOrGreater(int major, int minor, int spMajor)
{
var osvi = new OsVersionInfo
{
MajorVersion = major,
MinorVersion = minor,
ServicePackMajor = spMajor
}
.AddCondition(VersionInfoParts.MajorVersion, Conditions.GreaterThanEqualTo)
.AddCondition(VersionInfoParts.MinorVersion, Conditions.GreaterThanEqualTo)
.AddCondition(VersionInfoParts.ServicePackMajor, Conditions.GreaterThanEqualTo);
return(VerifyVersionInfo(osvi));
}
/// <summary>
/// Indicates if the current OS version matches, or is greater than, the Windows 7 with Service Pack 1 (SP1) version.
/// </summary>
/// <returns>True if the current OS version matches, or is greater than, the Windows 7 with SP1 version; otherwise, false.</returns>
public static bool IsWindows7SP1OrGreater()
{
var osvi = new OsVersionInfo
{
MajorVersion = 6,
MinorVersion = 1,
ServicePackMajor = 1
}
.AddCondition(VersionInfoParts.MajorVersion, Conditions.GreaterThanEqualTo)
.AddCondition(VersionInfoParts.MinorVersion, Conditions.GreaterThanEqualTo)
.AddCondition(VersionInfoParts.ServicePackMajor, Conditions.GreaterThanEqualTo);
return(VerifyVersionInfo(osvi));;
}
/// <summary>
/// Compares a set of operating system version requirements to the corresponding values for the currently running version of the system. This function is subject to manifest-based behavior.
/// </summary>
/// <param name="osvi">An <see cref="OsVersionInfo"/> object containing the operating system version requirements to compare.</param>
/// <returns></returns>
public static bool VerifyVersionInfo(OsVersionInfo osvi)
{
return(NativeMethods.VerifyVersionInfo(osvi.ToNativeType(), osvi.GetTypeMask(), osvi.GetConditionsMask()));
}
