回答編集履歴
2
追記
test
CHANGED
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@@ -57,3 +57,27 @@
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57
57
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End Class
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58
58
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59
59
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```
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60
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+
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61
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62
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63
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#追記
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64
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65
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もし TextBox の内容を交換したいということなら
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66
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67
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68
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69
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```VB.NET
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70
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71
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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72
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73
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Dim t As String
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74
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75
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t = TextBox1.Text
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76
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77
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TextBox1.Text = TextBox2.Text
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78
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79
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TextBox2.Text = t
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80
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81
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End Sub
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82
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83
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```
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1
追記
test
CHANGED
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@@ -5,3 +5,55 @@
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5
5
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それなら change の戻り値を表示しているからでしょう。
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6
6
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7
7
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x と y を表示してみてください。
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8
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9
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10
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11
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#追記
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12
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13
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```VB.NET
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14
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15
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Class Form1
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16
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17
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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18
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19
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Dim x As Integer
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20
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21
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Dim y As Integer
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22
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23
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24
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25
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x = TextBox1.Text
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26
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27
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y = TextBox2.Text
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28
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29
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30
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31
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change(x, y)
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32
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33
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34
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35
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MsgBox(x)
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36
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37
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MsgBox(y)
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38
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39
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End Sub
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40
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41
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42
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43
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Private Sub change(ByRef a As Integer, ByRef b As Integer)
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44
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45
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Dim c As Integer
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46
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47
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48
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49
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c = a
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50
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51
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a = b
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52
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+
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53
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b = c
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54
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+
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55
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End Sub
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56
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+
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57
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End Class
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58
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59
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+
```
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