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1、H H E23*Public Class FormlDim Operatorstate As IntegerDim data1 As IntegerDim result As IntegerDim data2 As IntegerHandles'下面是09十個按鈕的點(diǎn)擊事件Private Sub Button1_Click( ByVal sender As System.Object, ByVal e As System.EventArgs) Buttonl.ClickTextBoxl.Text = TextBoxl.Text +"1"End SubPrivate

2、Sub Button2_Click( ByVal sender As System.Object,ByVal e As System.EventArgs)Handles"2"Button2.ClickTextBoxl.Text = TextBoxl.Text +HandlesEnd SubPrivate Sub Button3_Click( ByVal sender As System.Object, ByVal e As System.EventArgs) Button3.ClickTextBoxl.Text = TextBoxl.Text +"3"E

3、nd SubPrivate Sub Button4_Click( ByVal sender As System.Object,ByVal e As System.EventArgs)Handles"4"Button4.ClickTextBoxl.Text = TextBoxl.Text +End SubPrivate Sub Button5_Click( ByVal sender As System.Object, ByVal e As System.EventArgs) HandlesButton5.ClickTextBox1.Text = TextBox1.Text +

4、End Sub"5"Private Sub Button6_Click( ByVal sender As System.Object,Button6.ClickByVale As System.EventArgs)HandlesTextBox1.Text = TextBox1.Text +"6"End SubPrivate Sub Button7_Click( ByVal sender As System.Object,Button7.ClickByVale As System.EventArgs)HandlesTextBox1.Text = TextB

5、ox1.Text +"7"End SubPrivate Sub Button8_Click( ByVal sender As System.Object,Button8.ClickByVale As System.EventArgs)HandlesTextBox1.Text = TextBox1.Text +"8"End SubPrivate Sub Button9_Click( ByVal sender As System.Object,ByVale As System.EventArgs)HandlesButton9.ClickTextBox1.Te

6、xt = TextBox1.Text +"9"End SubPrivate Sub Button10_Click( ByValsenderAs System.Object,ByValAs System.EventArgs)Handles Button10.ClickTextBox1.Text = TextBox1.Text +"0"End Sub'下面是清除鍵的代碼Private Sub Button15_Click(Handles Button15.ClickByValsenderAs System.Object,ByValAs System.

7、EventArgs)TextBox1.Text =III!End Sub'下面是加減乘除四個按鈕的代碼Private Sub Button11_Click(ByValsenderAs System.Object,ByValAs System.EventArgs)Handles Button11.Clickdata1 = Val(TextBox1.Text)OperatorState = 1TextBox1.Text =III!End SubPrivate Sub Button12_Click(ByValsenderAs System.Object,ByValAs System.Even

8、tArgs)Handles Button12.Click data1 = Val(TextBox1.Text)OperatorState = 2TextBox1.Text = ""End SubByVal e As System.EventArgs)Private Sub Button13_Click( ByVal sender As System.Object, Handles Button13.Clickdata1 = Val(TextBox1.Text)OperatorState = 3TextBox1.Text = ""End SubByVal

9、e As System.EventArgs)Private Sub Button14_Click( ByVal sender As System.Object, Handles Button14.Clickdata1 = Val(TextBox1.Text)OperatorState = 4 TextBox1.Text = ""End Sub '下面是等于號的的代碼e As System.EventArgs) HandlesPrivate Sub Button16_Click( ByVal sender As System.Object, ByVal Button16.Clickdata2 = Val(TextBox1.Text)If (OperatorState = 1) Then result = data1 + data2End IfIf (OperatorState = 2) Then result = data1 - data2End IfIf (O

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