smdn .NET Tips: コンソールの文字色を変える、文字列の出力位置を設定する

ソースコード
001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164	Public NotInheritable Class ConsoleUtil <DllImport("kernel32.dll")> _ Friend Shared Function GetStdHandle( _ ByVal nStdHandle As Integer) _ As IntPtr End Function <DllImport("kernel32.dll")> _ Friend Shared Function SetConsoleTextAttribute( _ ByVal hConsoleOutput As IntPtr, _ ByVal wAttributes As Short) _ As Boolean End Function <DllImport("kernel32.dll")> _ Friend Shared Function SetConsoleCursorPosition( _ ByVal hConsoleOutput As IntPtr, _ ByVal dwCursorPosition As COORD) _ As Boolean End Function <DllImport("kernel32.dll")> _ Friend Shared Function GetConsoleScreenBufferInfo( _ ByVal hConsoleOutput As IntPtr, _ ByRef lpConsoleScreenBufferInfo As CONSOLE_SCREEN_BUFFER_INFO) _ As Boolean End Function <StructLayout(LayoutKind.Sequential, Pack:=4)> _ Friend Structure COORD Public X As Short Public Y As Short End Structure <StructLayout(LayoutKind.Sequential, Pack:=4)> _ Friend Structure SMALL_RECT Public Left As Short Public Top As Short Public Right As Short Public Bottom As Short End Structure <StructLayout(LayoutKind.Sequential, Pack:=4)> _ Friend Structure CONSOLE_SCREEN_BUFFER_INFO Public Size As COORD Public CursorPosition As COORD Public Attributes As Short Public Window As SMALL_RECT Public MaximumWindowSize As COORD End Structure Friend Const STD_ERROR_HANDLE As Integer = -12 Friend Const STD_INPUT_HANDLE As Integer = -10 Friend Const STD_OUTPUT_HANDLE As Integer = -11 Friend Const FOREGROUND_BLUE As Integer = &H1 Friend Const FOREGROUND_GREEN As Integer = &H2 Friend Const FOREGROUND_RED As Integer = &H4 Friend Const FOREGROUND_INTENSITY As Integer = &H8 Friend Const BACKGROUND_BLUE As Integer = &H10 Friend Const BACKGROUND_GREEN As Integer = &H20 Friend Const BACKGROUND_RED As Integer = &H40 Friend Const BACKGROUND_INTENSITY As Integer = &H80 ''' <summary> ''' 表示色 ''' </summary> <Flags()> _ Public Enum ConsoleTextColor As Short ForegroundBlack = 0 ForegroundDarkBlue = FOREGROUND_BLUE ForegroundDarkGreen = FOREGROUND_GREEN ForegroundDarkCyan = FOREGROUND_BLUE Or FOREGROUND_GREEN ForegroundDarkRed = FOREGROUND_RED ForegroundDarkMagenta = FOREGROUND_BLUE Or FOREGROUND_RED ForegroundDarkYellow = FOREGROUND_GREEN Or FOREGROUND_RED ForegroundLightGray = FOREGROUND_BLUE Or FOREGROUND_GREEN Or FOREGROUND_RED ForegroundDarkGray = ForegroundBlack Or FOREGROUND_INTENSITY ForegroundLightBlue = ForegroundDarkBlue Or FOREGROUND_INTENSITY ForegroundLightGreen = ForegroundDarkGreen Or FOREGROUND_INTENSITY ForegroundLightCyan = ForegroundDarkCyan Or FOREGROUND_INTENSITY ForegroundLightRed = ForegroundDarkRed Or FOREGROUND_INTENSITY ForegroundLightMagenta = ForegroundDarkMagenta Or FOREGROUND_INTENSITY ForegroundLightYellow = ForegroundDarkYellow Or FOREGROUND_INTENSITY ForegroundWhite = ForegroundLightGray Or FOREGROUND_INTENSITY BackgroundBlack = 0 BackgroundDarkBlue = BACKGROUND_BLUE BackgroundDarkGreen = BACKGROUND_GREEN BackgroundDarkCyan = BACKGROUND_BLUE Or BACKGROUND_GREEN BackgroundDarkRed = BACKGROUND_RED BackgroundDarkMagenta = BACKGROUND_BLUE Or BACKGROUND_RED BackgroundDarkYellow = BACKGROUND_GREEN Or BACKGROUND_RED BackgroundLightGray = BACKGROUND_BLUE Or BACKGROUND_GREEN Or BACKGROUND_RED BackgroundDarkGray = BackgroundBlack Or BACKGROUND_INTENSITY BackgroundLightBlue = BackgroundDarkBlue Or BACKGROUND_INTENSITY BackgroundLightGreen = BackgroundDarkGreen Or BACKGROUND_INTENSITY BackgroundLightCyan = BackgroundDarkCyan Or BACKGROUND_INTENSITY BackgroundLightRed = BackgroundDarkRed Or BACKGROUND_INTENSITY BackgroundLightMagenta = BackgroundDarkMagenta Or BACKGROUND_INTENSITY BackgroundLightYellow = BackgroundDarkYellow Or BACKGROUND_INTENSITY BackgroundWhite = BackgroundLightGray Or BACKGROUND_INTENSITY End Enum Private Shared hConsoleOutput As IntPtr Shared Sub New() hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE) SetConsoleTextAttribute(hConsoleOutput, FOREGROUND_INTENSITY) End Sub ''' <summary> ''' 表示色 ''' </summary> Public Shared Property Color() As ConsoleTextColor Get Dim info As CONSOLE_SCREEN_BUFFER_INFO GetConsoleScreenBufferInfo(hConsoleOutput, info) Return CType(info.Attributes, ConsoleTextColor) End Get Set(ByVal Value As ConsoleTextColor) SetConsoleTextAttribute(hConsoleOutput, Value) End Set End Property ''' <summary> ''' カーソルの位置設定 ''' </summary> Public Shared Sub Locate(ByVal x As Integer, ByVal y As Integer) Dim location As New COORD location.X = CShort(x) location.Y = CShort(y) SetConsoleCursorPosition(hConsoleOutput, location) End Sub End Class
使用例
001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025	`Public Class Test Public Shared Sub Main() ConsoleUtil.Locate(5, 5) ConsoleUtil.Color = ConsoleUtil.ConsoleTextColor.ForegroundLightBlue Or _ ConsoleUtil.ConsoleTextColor.BackgroundLightCyan For i As Integer = 0 To 15 ConsoleUtil.Locate(i, i) Console.Write(i) Next ConsoleUtil.Color = ConsoleUtil.ConsoleTextColor.ForegroundLightYellow Or _ ConsoleUtil.ConsoleTextColor.BackgroundBlack Console.WriteLine() End Sub End Class`

実行結果