質問編集履歴
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現在のソースと例外内容を追記
test
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test
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@@ -161,3 +161,89 @@
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情報が不足していたらご指摘いただけますと幸いです。
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###追記
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以下、修正した内容です。
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```VB
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<System.Runtime.InteropServices.DllImport("User32.Dll")>
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Private Shared Function SendMessage(
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ByVal hWnd As IntPtr,
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ByVal Msg As Integer,
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ByVal wParam As Integer,
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ByVal lParam As Integer) As Integer
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186
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End Function
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<System.Runtime.InteropServices.DllImport("User32.Dll")>
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Private Shared Function MakeWParam(
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ByVal download As Integer,
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ByVal hiWord As Integer) As Integer
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End Function
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Private Sub tmrTest_Tick(sender As Object, e As EventArgs) Handles tmrTest.Tick
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Dim control As Control = Me.ActiveControl
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Me.ActiveControl = txtTest
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Const EM_LINEFROMCHAR As Integer = &HC9
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Const EM_SCROLL As Integer = &HB5
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Const SB_THUMBPOSITION As Integer = 4
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Dim row As Integer = SendMessage(txtTest.Handle, EM_LINEFROMCHAR, -1, 0) + 1
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SendMessage(txtTest.Handle, EM_SCROLL, MakeWParam(SB_THUMBPOSITION, row), 0)'ここで例外が出る
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txtTest.Select()
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txtTest.ScrollToCaret()
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Me.ActiveControl = control
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End Sub
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```
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以下、例外の内容です。
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```VB
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System.EntryPointNotFoundException: 'DLL 'User32.Dll' の 'MakeWParam' というエントリ ポイントが見つかりません。'
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```
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