devxlogo

Limit Users Typing in Combo Box

Limit Users Typing in Combo Box

The standard textbox has a MaxChars property that lets you limit the number of characters a user can type into it. The drop-down combo does not, but you can emulate this property setting with a simple API call:

 Private Declare Function SendMessage Lib _"user32" Alias "SendMessageA" (ByVal hWnd _As Long, ByVal msg As Long, ByVal wParam _As Long, ByVal lParam As Long) As LongPrivate Const CB_LIMITTEXT = &H141Private Sub Form_Load()Const Max_Char = 24Call SendMessage(Combo1.hWnd, _CB_LIMITTEXT, Max_Char, 0&)End Sub

This tip works in 16-bit versions of VB as well, but you

See also  lenso.ai - an AI reverse image search platform
devxblackblue

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

About Our Journalist