VB - Search in combobox or listbox for a string

[manavo11]

Add a listbox (List1) and a combobox (Combo1), a textbox (Text1) and two command buttons (Command1 , Command2) to your form and add the following code :

Option Explicit
Private Const CB_FINDSTRING = &H14C
Private Const LB_FINDSTRING = &H18F
Private Declare Function SendMessage Lib _
    "user32" Alias "SendMessageA" (ByVal _
    hwnd As Long, ByVal wMsg As Long, _
    ByVal wParam As Long, lParam As Any) _
    As Long
 
Private Sub Command1_Click()
    FindCB Combo1, Text1.Text
End Sub
 
Private Sub Command2_Click()
    FindLB List1, Text1.Text
End Sub
 
Private Sub Form_Load()
    Command1.Caption = "Find in Combo Box"
    Command2.Caption = "Find in List Box"
 
    Combo1.AddItem "one"
    Combo1.AddItem "two"
    Combo1.AddItem "three"
    Combo1.AddItem "four"
    Combo1.AddItem "five"
    Combo1.AddItem "six"
    Combo1.AddItem "seven"
 
    List1.AddItem "one"
    List1.AddItem "two"
    List1.AddItem "three"
    List1.AddItem "four"
    List1.AddItem "five"
    List1.AddItem "six"
    List1.AddItem "seven"
End Sub
 
Private Sub FindLB(obj As Object, TextToFind As String)
    obj.ListIndex = SendMessage( _
       obj.hwnd, LB_FINDSTRING, -1, ByVal _
       TextToFind)
End Sub
 
Private Sub FindCB(obj As Object, TextToFind As String)
    obj.ListIndex = SendMessage( _
       obj.hwnd, CB_FINDSTRING, -1, ByVal _
       TextToFind)
End Sub