internal static string GetComputerName(ComputerNameFormat nameType)
{
int size = 0;
if (!GetComputerNameEx(nameType, null, ref size))
{
int error = Marshal.GetLastWin32Error();
if (error != 0xea)
{
throw Fx.Exception.AsError(new Win32Exception(error));
}
}
if (size < 0)
{
Fx.AssertAndThrow("GetComputerName returned an invalid length: " + size);
}
StringBuilder lpBuffer = new StringBuilder(size);
if (!GetComputerNameEx(nameType, lpBuffer, ref size))
{
int num3 = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new Win32Exception(num3));
}
return(lpBuffer.ToString());
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int size = 0;
if (!GetComputerNameEx(nameType, null, ref size))
{
int error = Marshal.GetLastWin32Error();
if (error != 0xea)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(error));
}
}
if (size < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("GetComputerNameReturnedInvalidLenth", new object[] { size })));
}
StringBuilder lpBuffer = new StringBuilder(size);
if (!GetComputerNameEx(nameType, lpBuffer, ref size))
{
int num3 = Marshal.GetLastWin32Error();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(num3));
}
return(lpBuffer.ToString());
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int num = 0;
if (!UnsafeNativeMethods.GetComputerNameEx(nameType, null, out num))
{
int lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error != 234)
{
throw Fx.Exception.AsError(new Win32Exception(lastWin32Error));
}
}
if (num < 0)
{
Fx.AssertAndThrow(string.Concat("GetComputerName returned an invalid length: ", num));
}
StringBuilder stringBuilder = new StringBuilder(num);
if (UnsafeNativeMethods.GetComputerNameEx(nameType, stringBuilder, out num))
{
return stringBuilder.ToString();
}
else
{
int lastWin32Error1 = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new Win32Exception(lastWin32Error1));
}
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int length = 0;
if (!GetComputerNameEx(nameType, null, ref length))
{
int error = Marshal.GetLastWin32Error();
if (error != ERROR_MORE_DATA)
{
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
}
if (length < 0)
{
Fx.AssertAndThrow("GetComputerName returned an invalid length: " + length);
}
StringBuilder stringBuilder = new StringBuilder(length);
if (!GetComputerNameEx(nameType, stringBuilder, ref length))
{
int error = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
return(stringBuilder.ToString());
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int num = 0;
if (!UnsafeNativeMethods.GetComputerNameEx(nameType, null, out num))
{
int lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error != 234)
{
throw Fx.Exception.AsError(new Win32Exception(lastWin32Error));
}
}
if (num < 0)
{
Fx.AssertAndThrow(string.Concat("GetComputerName returned an invalid length: ", num));
}
StringBuilder stringBuilder = new StringBuilder(num);
if (UnsafeNativeMethods.GetComputerNameEx(nameType, stringBuilder, out num))
{
return(stringBuilder.ToString());
}
else
{
int lastWin32Error1 = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new Win32Exception(lastWin32Error1));
}
}
// GetComputerNameEx function
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms724301(v=vs.85).aspx
public static string GetComputerName(ComputerNameFormat format)
{
StringBuilder builder = new StringBuilder(260);
int size = builder.Capacity;
if (!NativeMethods.GetComputerNameEx(format, builder, ref size))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
return(builder.ToString());
}
/// <summary>
/// Get the computer name in the specified format.
/// </summary>
public static string GetComputerName(ComputerNameFormat format)
{
return(BufferHelper.BufferInvoke((StringBuffer buffer) =>
{
uint size = buffer.CharCapacity;
while (!Imports.GetComputerNameExW(format, buffer, ref size))
{
Error.ThrowIfLastErrorNot(WindowsError.ERROR_MORE_DATA);
buffer.EnsureCharCapacity(size);
}
buffer.Length = size;
return buffer.ToString();
}));
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int size = 0;
if (!GetComputerNameEx(nameType, null, ref size))
{
int error = Marshal.GetLastWin32Error();
if (error != 0xea)
{
throw Fx.Exception.AsError(new Win32Exception(error));
}
}
if (size < 0)
{
Fx.AssertAndThrow("GetComputerName returned an invalid length: " + size);
}
StringBuilder lpBuffer = new StringBuilder(size);
if (!GetComputerNameEx(nameType, lpBuffer, ref size))
{
int num3 = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new Win32Exception(num3));
}
return lpBuffer.ToString();
}
internal static string GetComputerName(ComputerNameFormat nameType)
{
int length = 0;
if (!GetComputerNameEx(nameType, null, ref length))
{
int error = Marshal.GetLastWin32Error();
if (error != ERROR_MORE_DATA)
{
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
}
if (length < 0)
{
Fx.AssertAndThrow("GetComputerName returned an invalid length: " + length);
}
StringBuilder stringBuilder = new StringBuilder(length);
if (!GetComputerNameEx(nameType, stringBuilder, ref length))
{
int error = Marshal.GetLastWin32Error();
throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error));
}
return stringBuilder.ToString();
}
internal static extern bool SetComputerNameExA(ComputerNameFormat nameType, string computerName);
public static extern bool GetComputerNameExW(
ComputerNameFormat NameType,
SafeHandle lpBuffer,
ref uint lpnSize);
private static extern bool GetComputerNameEx(ComputerNameFormat nameType, StringBuilder lpBuffer, out int size);
internal static string GetComputerName (ComputerNameFormat nameType)
{
throw new NotImplementedException ();
}
private static extern bool GetComputerNameEx(ComputerNameFormat nameType, StringBuilder lpBuffer, out int size);
internal static string GetComputerName(ComputerNameFormat nameType)
{
throw new NotImplementedException();
}
private static extern bool GetComputerNameEx([In] ComputerNameFormat nameType, [In][Out] StringBuilder lpBuffer, [In][Out] ref int size);
internal static extern bool GetComputerNameEx(
ComputerNameFormat NameType,
[Out] StringBuilder lpBuffer,
ref int lpnSize);
internal static string GetComputerName(ComputerNameFormat nameType)
{
return System.Runtime.Interop.UnsafeNativeMethods.GetComputerName(nameType);
}
private static extern bool GetComputerNameEx([In] ComputerNameFormat nameType, [In, Out, MarshalAs(UnmanagedType.LPTStr)] StringBuilder lpBuffer, [In, Out] ref int size);
