create loading form at start of application

[hamid]

i want design a form that start first and check all files needed and fill mainDataset then visible some controls to contuned application.
when app loading data form is shown.
how can i do it?
maybe i must do it by Thread but how? and where i must use thread?
thank you

 

[snarfblam]

Look into splash screens. There may be a tutorial here, and I believe that VS comes with a splash screen template.