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Remove Windows 2000 dead code #11287

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Remove Windows 2000 dead code #11287

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47 changes: 6 additions & 41 deletions ...ation/UIAutomationClientSideProviders/MS/Internal/AutomationProxies/CommonXSendMessage.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1482,59 +1482,24 @@ private static bool IsWOW64Process(IntPtr hwnd)
throw new Win32Exception();
}

// Windows XP(major version 5 and minor version 1) and above
if (Environment.OSVersion.Version.Major > 5 || (Environment.OSVersion.Version.Major == 5 && Environment.OSVersion.Version.Minor == 1))
try
{
try
{
// IsWow64Process() implemented in Windows XP
bool isWOW64Process;

if (!Misc.IsWow64Process(hProcess, out isWOW64Process))
{
// Function failed. Assume not running under WOW64.
return false;
}

return isWOW64Process;
}
catch (Win32Exception)
if (!Misc.IsWow64Process(hProcess, out bool isWOW64Process))
{
// Function failed. Assume not running under WOW64.
return false;
}

return isWOW64Process;
}
// Windows 2000 (major version 5)
else if (Environment.OSVersion.Version.Major == 5)
{
// NtQueryInformationProcess is available for use in Windows 2000 and Windows XP.
// It may be altered or unavailable in subsequent versions. Applications should use the alternate functions
ulong infoWOW64 = 0;
int status = UnsafeNativeMethods.NtQueryInformationProcess(hProcess, UnsafeNativeMethods.ProcessWow64Information, ref infoWOW64, sizeof(ulong), null);
if (NT_ERROR(status))
{
// Query failed. Assume not running under WOW64.
return false;
}
return infoWOW64 != 0;
}
// Windows 95, Windows 98, Windows Me, or Windows NT (major version 4)
else
catch (Win32Exception)
{
// WOW64 was not available in these versions of Windows.
// Function failed. Assume not running under WOW64.
return false;
}
}
}

//
// Generic test for error on any status value.
//
private static bool NT_ERROR(int status)
{
return (ulong)(status) >> 30 == 3;
}

#endregion

// ------------------------------------------------------
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