[Mono-dev] [PATCH] System.Environment fixes for Windows

Bill Holmes billholmes54 at gmail.com
Thu Dec 18 16:04:47 EST 2008


The attached patch fixes two problems we found System.Environment.

Calling Environment.GetEnvironmentVariable ("IsNotSet",
EnvironmentVariableTarget.User) causes a nre with mono on Windows.

Calling Environment.SetEnvironmentVariable (...,
EnvironmentVariableTarget.User) does not notify the OS that a variable
has changed.
See http://msdn.microsoft.com/en-us/library/ms682653(VS.85).aspx


2008-12-18  Bill Holmes  <billholmes54 at gmail.com>

	* Environment.cs (GetEnvironmentVariable) :  Avoiding an nre if
	  the variable is not set.

	* Environment.cs (SetEnvironmentVariable) : Adding a call to
	  internalBroadcastSettingChange to notify Windows that an environment
	  variable has changed.

	* icall-def.h : Adding an internal call definition for

	* icall.c : Adding a Windows only implementation to broadcast a
	  WM_SETTINGCHANGE when an environment variable has changed.

	Contributed under MIT/X11 license.
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