Mega Code Archive
Set system evrionment variable
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Title: set system evrionment variable?
{*********************************************}
{ Set Global Environment Function }
{ Coder : Kingron,2002.8.6 }
{ Bug Report : Kingron@163.net }
{ Test OK For Windows 2000 Advance Server }
{ Parameter: }
{ Name : environment variable name }
{ Value: environment variable Value }
{ Ex: SetGlobalEnvironment('MyVar','OK') }
{*********************************************}
function SetGlobalEnvironment(const Name, Value: string;
const User: Boolean = True): Boolean;
resourcestring
REG_MACHINE_LOCATION = 'System\CurrentControlSet\Control\Session Manager\Environment';
REG_USER_LOCATION = 'Environment';
begin
with TRegistry.Create do
try
if User then { User Environment Variable }
Result := OpenKey(REG_USER_LOCATION, True)
else { System Environment Variable }
begin
RootKey := HKEY_LOCAL_MACHINE;
Result := OpenKey(REG_MACHINE_LOCATION, True);
end;
if Result then
begin
WriteString(Name, Value); { Write Registry for Global Environment }
{ Update Current Process Environment Variable }
SetEnvironmentVariable(PChar(Name), PChar(Value));
{ Send Message To All Top Window for Refresh }
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, Integer(PChar('Environment')));
end;
finally
Free;
end;
end; { SetGlobalEnvironment }
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