Inputbox cancel button error.

Hi All,

I have the below code which I use to get some input from the user using input box when the user clicks on the cancel button it shows an error.

Dim W As Long, H As Long, ws As Worksheet

W = InputBox("Enter chart width", "Set Chart Width", 100)


H = InputBox("Enter chart height", "Set Chart Height", 75)

I tried to use below but still the user faces the error. Please help.

If W = "" Then Exit Sub

Thanks a lot for your help in advance.