How to Set the number of char that input in Edit Box

[mecheil.edwar]

I do one application ,
I want to define the number of char that user input to Edit Box (Edit box inside Dialoge)
as Example if I want to input in Edit Box 4 digit only say 1223 as example
How can I do this

[S_M_A]

There's no automatic way unfortunately. You have to capture when changes is made to the edit box and in that handler prevent entering more than 4.

[Igor Vartanov]

EM_LIMITTEXT

Please read that whole article to understand implications and limitations.

What S_M_A talked about is EN_UPDATE.