可以啊 在窗体上放一个cboTestCombo的combobox控件Option ExplicitPrivate Declare Function MoveWindow Lib "user32" (ByVal hwnd As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal bRepaint As Long) As LongPrivate Sub Form_Load() Dim i As Integer ' Make a bunch of ComboBox entries. For i = 1 To 50 cboTestCombo.AddItem Format$(i) Next i cboTestCombo.ListIndex = 0 ' Resie the ComboBox's dropdown area. SizeCombo Me, cboTestCombo End Sub ' Resize a ComboBox's dropdown display area. Public Sub SizeCombo(frm As Form, cbo As ComboBox) Dim cbo_left As Integer Dim cbo_top As Integer Dim cbo_width As Integer Dim cbo_height As Integer Dim old_scale_mode As Integer ' Change the Scale Mode on the form to Pixels. old_scale_mode = frm.ScaleMode frm.ScaleMode = vbPixels ' Save the ComboBox's Left, Top, and Width values. cbo_left = cbo.Left cbo_top = cbo.Top cbo_width = cbo.Width ' Calculate the new height of the combo box. cbo_height = frm.ScaleHeight - cbo.Top - 5 frm.ScaleMode = old_scale_mode ' Resize the combo box window. MoveWindow cbo.hwnd, cbo_left, cbo_top, _ cbo_width, cbo_height, 1 End Sub
在窗体上放一个cboTestCombo的combobox控件Option ExplicitPrivate Declare Function MoveWindow Lib "user32" (ByVal hwnd As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal bRepaint As Long) As LongPrivate Sub Form_Load()
Dim i As Integer ' Make a bunch of ComboBox entries.
For i = 1 To 50
cboTestCombo.AddItem Format$(i)
Next i
cboTestCombo.ListIndex = 0 ' Resie the ComboBox's dropdown area.
SizeCombo Me, cboTestCombo
End Sub
' Resize a ComboBox's dropdown display area.
Public Sub SizeCombo(frm As Form, cbo As ComboBox)
Dim cbo_left As Integer
Dim cbo_top As Integer
Dim cbo_width As Integer
Dim cbo_height As Integer
Dim old_scale_mode As Integer ' Change the Scale Mode on the form to Pixels.
old_scale_mode = frm.ScaleMode
frm.ScaleMode = vbPixels ' Save the ComboBox's Left, Top, and Width values.
cbo_left = cbo.Left
cbo_top = cbo.Top
cbo_width = cbo.Width ' Calculate the new height of the combo box.
cbo_height = frm.ScaleHeight - cbo.Top - 5
frm.ScaleMode = old_scale_mode ' Resize the combo box window.
MoveWindow cbo.hwnd, cbo_left, cbo_top, _
cbo_width, cbo_height, 1
End Sub