Significance of dim[Resolved]

[whothis]

What is the significance of dim a
a=shell



When they both do the same ,also when either of the 2 run IE goes to the task bar id like it to open max..?

Code

Example 1

Private Sub Form_Load()
Shell ("C:\Program FILES\Internet Explorer\IEXPLORE.EXE")

End Sub
.................................................................................................... .....
Example 2

Private Sub Form_Load()
Dim a

a = Shell("C:\Program FILES\Internet Explorer\IEXPLORE.EXE")

End Sub


Thanks all

Paul