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Minesweeper, Behind the scenes

, 13 Jan 2003
This article demonstrates directly reading another processes memory in C# using P/Invoke and Win32 Api's.
minememoryreader_demo.zip
ProcessMemoryReaderLib
MineSweeperReader
App.ico
bin
Debug
MineSweeperReader.exe
MineSweeperReader.pdb
ProcessMemoryReaderLib.dll
ProcessMemoryReaderLib.pdb
Mine.bmp
MineSweeperReader.csproj.user
obj
Debug
MineSweeperReader.exe
MineSweeperReader.exe.incr
MineSweeperReader.Form1.resources
MineSweeperReader.pdb
MineSweeperReader.projdata
temp
TempPE
ProcessMemoryReaderLib
bin
Debug
ProcessMemoryReaderLib.dll
ProcessMemoryReaderLib.pdb
obj
Debug
ProcessMemoryReaderLib.dll
ProcessMemoryReaderLib.dll.incr
ProcessMemoryReaderLib.pdb
ProcessMemoryReaderLib.projdata
temp
TempPE
ProcessMemoryReaderLib.csproj.user
ProcessMemoryReaderLib.suo
minememoryreader_src.zip
<?xml version="1.0" encoding="utf-8"?>
<root>
  <!-- 
            Microsoft ResX Schema 
        
            Version 1.3
                
            The primary goals of this format is to allow a simple XML format 
            that is mostly human readable. The generation and parsing of the 
            various data types are done through the TypeConverter classes 
            associated with the data types.
        
            Example:
        
                ... ado.net/XML headers & schema ...
                <resheader name="resmimetype">text/microsoft-resx</resheader>
                <resheader name="version">1.3</resheader>
                <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
                <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
                <data name="Name1">this is my long string</data>
                <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
                <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
                    [base64 mime encoded serialized .NET Framework object]
                </data>
                <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
                    [base64 mime encoded string representing a byte array form of the .NET Framework object]
                </data>
        
            There are any number of "resheader" rows that contain simple 
            name/value pairs.
            
            Each data row contains a name, and value. The row also contains a 
            type or mimetype. Type corresponds to a .NET class that support 
            text/value conversion through the TypeConverter architecture. 
            Classes that don't support this are serialized and stored with the 
            mimetype set.
                     
            The mimetype is used for serialized objects, and tells the 
            ResXResourceReader how to depersist the object. This is currently not 
            extensible. For a given mimetype the value must be set accordingly:
        
            Note - application/x-microsoft.net.object.binary.base64 is the format 
                   that the ResXResourceWriter will generate, however the reader can 
                   read any of the formats listed below.
        
            mimetype: application/x-microsoft.net.object.binary.base64
            value   : The object must be serialized with 
                    : System.Serialization.Formatters.Binary.BinaryFormatter
                    : and then encoded with base64 encoding.
        
            mimetype: application/x-microsoft.net.object.soap.base64
            value   : The object must be serialized with 
                    : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
                    : and then encoded with base64 encoding.
            mimetype: application/x-microsoft.net.object.bytearray.base64
            value   : The object must be serialized into a byte array 
                    : using a System.ComponentModel.TypeConverter
                    : and then encoded with base64 encoding.
        -->
  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:element name="root" msdata:IsDataSet="true">
      <xsd:complexType>
        <xsd:choice maxOccurs="unbounded">
          <xsd:element name="data">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="resheader">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" />
            </xsd:complexType>
          </xsd:element>
        </xsd:choice>
      </xsd:complexType>
    </xsd:element>
  </xsd:schema>
  <resheader name="resmimetype">
    <value>text/microsoft-resx</value>
  </resheader>
  <resheader name="version">
    <value>1.3</value>
  </resheader>
  <resheader name="reader">
    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <resheader name="writer">
    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <data name="button1.Image" type="System.Drawing.Bitmap, System.Drawing, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" mimetype="application/x-microsoft.net.object.bytearray.base64">
    <value>
        Qk02AwAAAAAAADYAAAAoAAAAEAAAABAAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAAgICAwMDA
        wMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAgICAwMDAwMDAwMDAwMDAwMDA
        wMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAgICAwMDAwMDAwMDAwMDAwMDAwMDAAAAAwMDAwMDA
        wMDAwMDAwMDAwMDAwMDAwMDAgICAwMDAwMDAwMDAwMDAwMDAwMDAAAAAwMDAwMDAwMDAwMDAwMDAwMDA
        wMDAwMDAgICAwMDAwMDAAAAAwMDAAAAAAAAAAAAAAAAAAAAAwMDAAAAAwMDAwMDAwMDAwMDAgICAwMDA
        wMDAwMDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwMDAwMDAwMDAwMDAwMDAgICAwMDAwMDAAAAAAAAAAAAA
        AAAAAAAAAAAAAAAAAAAAAAAAwMDAwMDAwMDAwMDAgICAwMDAwMDAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
        AAAAAAAAwMDAwMDAwMDAwMDAgICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
        wMDAwMDAgICAwMDAwMDAAAAAAAAA////////AAAAAAAAAAAAAAAAAAAAwMDAwMDAwMDAwMDAgICAwMDA
        wMDAAAAAAAAA////////AAAAAAAAAAAAAAAAAAAAwMDAwMDAwMDAwMDAgICAwMDAwMDAwMDAAAAAAAAA
        AAAAAAAAAAAAAAAAAAAAwMDAwMDAwMDAwMDAwMDAgICAwMDAwMDAAAAAwMDAAAAAAAAAAAAAAAAAAAAA
        wMDAAAAAwMDAwMDAwMDAwMDAgICAwMDAwMDAwMDAwMDAwMDAwMDAAAAAwMDAwMDAwMDAwMDAwMDAwMDA
        wMDAwMDAgICAwMDAwMDAwMDAwMDAwMDAwMDAAAAAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAgICAgICA
        gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA
</value>
  </data>
  <data name="$this.Name">
    <value>Form1</value>
  </data>
</root>

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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

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About the Author

Arik Poznanski
Software Developer (Senior) Verint
Israel Israel
Arik Poznanski is a senior software developer at Verint. He completed two B.Sc. degrees in Mathematics & Computer Science, summa cum laude, from the Technion in Israel.
 
Arik has extensive knowledge and experience in many Microsoft technologies, including .NET with C#, WPF, Silverlight, WinForms, Interop, COM/ATL programming, C++ Win32 programming and reverse engineering (assembly, IL).
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