handle - Numerical values and hyphen "-" inputbox vb.net -


how accept hyphen char , numerical values on inputboxes?

i have

private sub textbox_keydown(byval sender object, byval e system.windows.forms.keyeventargs) handles inputbox_1.keydown         select case e.keycode             case keys.d0 keys.d9, keys.numpad0 keys.numpad9, _                  keys.back, keys.delete, keys.left, keys.right                 if e.shift = true                     e.suppresskeypress = true                     exit sub                 end if                 e.suppresskeypress = false             case else                 e.suppresskeypress = true         end select     end sub

but fails when enter "-" char in line 

keys.d0 keys.d9, keys.numpad0 keys.numpad9, _                      keys.back, keys.delete, keys.left, keys.right

how let hyphen written?

it better create custom control , use wherever want numeric textbox number of digit limitation think there maxlength property textbox may following link answer question

link


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