Need a sample for customizing Visual Studio status bar

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Visual-Studio

extension

Please provide me a very simple VS Package C# project for customizing Visual Studio's status bar. I just want to display a message in the status bar, nothing else. The samples which are in internet and also msdn are not working and little complex since I'm a beginner. Thanks in advance.

While I'm trying the below code, it shows error in GetService as "doesn't exists in the corrent context".

IVsStatusbar statusBar = (IVsStatusbar)GetService(typeof(SVsStatusbar));
int frozen;
statusBar.IsFrozen(out frozen);
if (frozen == 0)
{
    statusBar.SetText("Here's some static text.");
}

By using the statement IVsStatusbar statusbar=(IVsStatusbar)GetService(typeof(SVsStatusbar)), I can achieve the requirement in package class. But if I'm using the same in another class which is not a package class, its not working. Unable to use GetService method. Its showing as "GetService doesn't exists in the current context". How can I get the service from an another class or can I get the service from the Package class and pass it to an another class? I'm using VS2010 to code.