質問編集履歴
1
回答でいただいたURLを参考に修正したプログラムを掲載
title
CHANGED
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File without changes
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body
CHANGED
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@@ -107,4 +107,64 @@
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107
107
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throw ex;
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108
108
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}
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109
109
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}
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110
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+
```
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111
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+
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112
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```C#
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113
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// 下記URLを参考に修正
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114
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// https://www.atmarkit.co.jp/bbs/phpBB/viewtopic.php?topic=16274&forum=7
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115
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+
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116
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public void WriteMailSlot(string slot, string message)
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117
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{
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118
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System.IntPtr hNmPipe = IntPtr.Zero; // 名前付きパイプハンドル
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119
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+
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120
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+
//セキュリティ記述子作成
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121
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SECURITY_DESCRIPTOR sd = new SECURITY_DESCRIPTOR();
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122
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bool bTemp = InitializeSecurityDescriptor(ref sd, 1);
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123
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bool bTemp2 = SetSecurityDescriptorDacl(ref sd, 1, IntPtr.Zero, 0);
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124
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GCHandle sdHandle = GCHandle.Alloc(sd, GCHandleType.Pinned);
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125
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+
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126
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try
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127
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{
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128
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SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES();
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129
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sa.nLength = Marshal.SizeOf(sa);
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130
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sa.lpSecurityDescriptor = sdHandle.AddrOfPinnedObject();
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131
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sa.bInheritHandle = 0;
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132
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+
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133
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//メールスロットを開く
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134
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+
SafeFileHandle fileHandle = CreateFile(slot,
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135
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+
DesiredAccess.GENERIC_READ | DesiredAccess.GENERIC_WRITE,
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136
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ShareMode.FILE_SHARE_READ | ShareMode.FILE_SHARE_WRITE,
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137
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ref sa,
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138
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CreationDisposition.OPEN_EXISTING,
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139
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FlagsAndAttributes.FILE_ATTRIBUTE_NORMAL,
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140
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(IntPtr)0);
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141
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+
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142
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if (fileHandle.IsInvalid)
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143
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+
{
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144
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+
int errCode = Marshal.GetLastWin32Error();
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145
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+
MessageBox.Show("Win32エラー・コード：" +
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146
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String.Format("{0:X8}", errCode));
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147
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}
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148
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+
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149
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+
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150
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+
// 指定の文字列を出力する
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151
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using (FileStream fs = new FileStream(fileHandle, FileAccess.Write))
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152
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{
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153
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byte[] msg = Encoding.UTF8.GetBytes(message);
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154
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fs.Write(msg, 0, msg.Length);
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155
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}
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156
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+
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157
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}
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158
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catch (Exception ex)
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159
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{
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160
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System.Diagnostics.Debug.WriteLine(ex.Message);
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161
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System.Diagnostics.Debug.WriteLine(ex.StackTrace);
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162
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throw ex;
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163
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}
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164
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+
finally
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165
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{
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166
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sdHandle.Free();
|
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167
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+
}
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168
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+
}
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169
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+
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110
170
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```
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