How to implement Progress Bar to MDI form to connect another form

[ramniwas.sy]

friend,

I have created a MDI form in that i have a menu. when i click to menu another form is displaying but it is taking time to load data.

so i want to implemet a progress bar when i click to MDI menu then a progress bar should display till form data is not loaded.

if some body have done this kind of coding then help me or provide concept how to implement.