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Private Sub Form_Load()
Text1.Text = ""
End Sub
Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)
Select Case KeyCode
Case vbKeyA
Text1.Text = "E"
Case vbKeyB
Text1.Text = ""
Text1.Text = "F"
Case vbKeyC
Text1.Text = "G"
Case vbKeyD
Text1.Text = "H"
Case Else
MsgBox "对不起只能输入A、B、C、D"
End Select
End Sub
Text1.Text = ""
End Sub
Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)
Select Case KeyCode
Case vbKeyA
Text1.Text = "E"
Case vbKeyB
Text1.Text = ""
Text1.Text = "F"
Case vbKeyC
Text1.Text = "G"
Case vbKeyD
Text1.Text = "H"
Case Else
MsgBox "对不起只能输入A、B、C、D"
End Select
End Sub
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