Make TextBox to Accept only Numbers

by Karnam Bhanu Prakash (4 Submissions)
Category: Windows API Call/Explanation
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Fri 28^th March 2003
Date Added: Mon 8^th February 2021
Rating: (1 Votes)

API Declarations
Private Const GWL_STYLE = (-16) Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long

Rate Make TextBox to Accept only Numbers




Private Sub Form_Load()
    Dim tmp As Long
    tmp = SetWindowLong(Text1.hwnd, GWL_STYLE, GetWindowLong(Text1.hwnd, GWL_STYLE) Or ES_NUMBER)
End Sub

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