How do I allow negative numbers to be entered into the TextField using the mask property. I have tried “99.9999” and “##.####”, but can not enter negative numbers only positive numbers.
me.Mask = “&####.##”
permits the initial entry of the “-”
[quote=386348:@Roger Clary]me.Mask = “&####.##”
permits the initial entry of the “-”[/quote]
It also permits the entry of A657 or K78, so it’s not suitable.
In short, forget about the mask. Go to Great White Software http://www.great-white-software.com/Xojo_Code.html for Norman’s Masked Edit Field. Works out of the box on TextFields, too.
Or make your own by using the KeyDown event with code similar to this:
if IsNumeric( Key ) then
// Allow numeric
return false
elseif ( Key = "." ) and ( InStr( me.Text, "." ) = 0 ) and me.Text.Len > 0 then
// Handle decimal points
return false
elseif ASC( Key ) < 32 then
// Allow control keys (e.g. the backspace key)
return false
else
// Ignore all other input
return true
end if
Why would one write all of that code when a single line will serve the OPs purpose.
Read the first line of my response again.
And he doesnt have to write anything, you can copy&paste on computers
