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Справочник Жаркова по проектированию и программированию искусственного интеллекта. Том 6: Программирование на Visual Basic искусственного интеллекта. Продолжение 2

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2023
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Imports Microsoft.Win32

''' <summary>

''' Reads and writes the top three high scores to the registry.

''' </summary>

''' <remarks></remarks>

Public Class HighScores

''' <summary>

''' Read scores from the registry.

''' </summary>

''' <returns></returns>

''' <remarks></remarks>

Public Shared Function GetHighScores() As HighScore()

Dim tops(2) As HighScore

Dim scoreKey As RegistryKey = Registry.CurrentUser. _

CreateSubKey("Software\VBSamples\Collapse\HighScores")

For index As Integer = 0 To 2

Dim key As String = "place" & index.ToString

Dim score As New HighScore(CStr(scoreKey.GetValue(key)))

tops(index) = score

Next

scoreKey.Close()

Return tops

End Function

''' <summary>

''' Update and write the high scores.

''' </summary>

''' <param name="score"></param>

''' <remarks></remarks>

Public Shared Sub UpdateScores(ByVal score As Integer)

Dim tops(3) As HighScore

Dim scoreKey As RegistryKey = Registry.CurrentUser. _

CreateSubKey("Software\VBSamples\Collapse\HighScores")

tops(0) = New HighScore(scoreKey.GetValue("Place0").ToString)

tops(1) = New HighScore(scoreKey.GetValue("Place1").ToString)

tops(2) = New HighScore(scoreKey.GetValue("Place2").ToString)

If score > tops(2).Score Then

Dim name As String = InputBox("New high score of " & _

score & " for:")

tops(3) = New HighScore(" :0")

tops(3).Name = name

tops(3).Score = score

Array.Sort(tops)

Array.Reverse(tops)

scoreKey.SetValue("Place0", tops(0).ToString)

scoreKey.SetValue("Place1", tops(1).ToString)

scoreKey.SetValue("Place2", tops(2).ToString)

End If

scoreKey.Close()

End Sub

''' <summary>
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