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Set Global Environmen

Discussion in 'Delphi Programming' started by AdminDF, Feb 14, 2014.

  1. AdminDF
    Online

    AdminDFAdminDF is a Verified Member Delphifan Staff Member DF Staff

    Code:
    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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