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Set ComboBox DropDown List Width

'Add 1 ComboBox to your form.
'Insert the following code to your form:

Private Declare Function SendMessageLong Lib "user32" Alias "SendMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _
ByVal lParam As Long) As Long
Private Const CB_SETDROPPEDWIDTH = &H160

Private Sub Form_Load()
'Replace the '190' below with your desirable ComboBox dropdown width.
r = SendMessageLong(Combo1.hwnd, CB_SETDROPPEDWIDTH, 190, 0)
End Sub

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