2014-09-30 170 views
2

解决!见下文。使用C#EXE修改不同C#EXE文件的资源

我有2个C#应用程序。应用程序a应该修改应用程序的内部资源b。应用程序b应该在执行时对其(已修改)资源执行某些操作。

我该如何做到这一点?

这里是我的尝试:

public static void addFileToResources(string dest, string src) 
{ 
    Assembly a_dest = Assembly.LoadFile(dest); 

    using (Stream s_dest = a_dest.GetManifestResourceStream("Elevator.Properties.Resources.resources")) 
    { 
     using (ResourceWriter rw = new ResourceWriter(s_dest)) 
     { 
      byte[] b_src = File.ReadAllBytes(src); 
      rw.AddResource("target", b_src); 
     } 
    } 
} 

我得到了System.ArgumentExceptionThe stream is readonly.System.Resources.ResourceWriter..ctor(Stream stream)

编辑
因为这似乎并不可能与.NET资源:有没有另一种方式?
我想生成一个单个文件(即应用程序b的exe文件),它是可执行的,并且可以处理从应用程序a执行之前给出的数据(存储在exe中)。最好不必实际编译b以便为其提供数据。

假设,以使其更容易一些:

  • a始终执行之前b
  • a只执行一次
  • 两个应用程序都是由我

编辑 - 溶剂
因为它是不可能实现这一目标通过资源我用以下解决方法:
显然,你可以添加任何东西,exe文件,它仍然会执行,所以这里是我想出了:

public class Packer : IDisposable 
{ 
    // chosen quite arbitrarily; can be anything you'd like but should be reasonably unique 
    private static byte[] MAGIC_NUMBER = { 0x44, 0x61, 0x6c, 0x65, 0x6b, 0x4c, 0x75, 0x63 }; 

    private Stream inStream; 

    public Packer(string filename, bool openReadonly = false) 
    { 
     // The FileAccess.Read is necessary when I whant to read from the file that is being executed. 
     // Hint: To get the path for the executing file I used: 
     // System.Reflection.Assembly.GetExecutingAssembly().Location 
     inStream = File.Open(filename, FileMode.Open, openReadonly ? FileAccess.Read : FileAccess.ReadWrite, openReadonly ? FileShare.Read : FileShare.None); 
    } 

    public byte[] ReadData(int index) 
    { 
     byte[] mn_buf = new byte[MAGIC_NUMBER.Length]; 
     byte[] len_buf = new byte[sizeof(Int32)]; 
     int data_len = 0; 
     inStream.Seek(0, SeekOrigin.End); 
     for (int i = 0; i <= index; ++i) 
     { 
      // Read the last few bytes 
      inStream.Seek(-MAGIC_NUMBER.Length, SeekOrigin.Current); 
      inStream.Read(mn_buf, 0, MAGIC_NUMBER.Length); 
      inStream.Seek(-MAGIC_NUMBER.Length, SeekOrigin.Current); 
      for (int j = 0; j < MAGIC_NUMBER.Length; ++j) 
      { // Check if the last bytes are equals to my MAGIC_NUMBER 
       if (mn_buf[j] != MAGIC_NUMBER[j]) 
       { 
        throw new IndexOutOfRangeException("Not enough data."); 
       } 
      } 
      inStream.Seek(-sizeof(Int32), SeekOrigin.Current); 
      inStream.Read(len_buf, 0, sizeof(Int32)); 
      inStream.Seek(-sizeof(Int32), SeekOrigin.Current); 
      // Read the length of the data 
      data_len = BitConverter.ToInt32(len_buf, 0); 
      inStream.Seek(-data_len, SeekOrigin.Current); 
     } 
     byte[] data = new byte[data_len]; 
     // Read the actual data and return it 
     inStream.Read(data, 0, data_len); 
     return data; 
    } 

    public void AddData(byte[] data) 
    { 
     // append it 
     inStream.Seek(0, SeekOrigin.End); 
     inStream.Write(data, 0, data. 
     inStream.Write(BitConverter.GetBytes(data.Length), 0, sizeof(Int32)); 
     inStream.Write(MAGIC_NUMBER, 0, MAGIC_NUMBER.Length); 
    } 

    public void Dispose() 
    { 
     inStream.Dispose(); 
    } 
} 

如果您想要使用此代码段,请注意,如果您将数据添加到文件中,索引在检索时的顺序相反:
假设您先写入数据集A,然后再写入数据集B数据后B将有索引0和A索引1.

+0

您是否验证过您将“非空”传递给'ResourceWriter'的构造函数? – 2014-09-30 14:44:33

+3

两个问题。您没有正确猜测资源流名称,这是导致异常的原因。而当你解决这个问题时,你会遇到更严重的问题,资源嵌入到.NET程序集后是只读的。重建可执行文件是不实际的。 – 2014-09-30 14:44:36

+0

呃...该死的。不管怎么说,还是要谢谢你! – Ch33f 2014-09-30 14:49:18

回答

2

基于哟你假设你可以使用更新/添加可执行文件的资源Mono.Cecil

以下是使用Mono进行资源操作的三种基本方法。塞西尔:使用ResourceWriterResourceReaderResourceEditor

public static void ReplaceResource(string path, string resourceName, byte[] resource) 
    { 
     var definition = 
      AssemblyDefinition.ReadAssembly(path); 

     for (var i = 0; i < definition.MainModule.Resources.Count; i++) 
      if (definition.MainModule.Resources[i].Name == resourceName) 
      { 
       definition.MainModule.Resources.RemoveAt(i); 
       break; 
      } 

     var er = new EmbeddedResource(resourceName, ManifestResourceAttributes.Public, resource); 
     definition.MainModule.Resources.Add(er); 
     definition.Write(path); 
    } 

    public static void AddResource(string path, string resourceName, byte[] resource) 
    { 
     var definition = 
      AssemblyDefinition.ReadAssembly(path); 

     var er = new EmbeddedResource(resourceName, ManifestResourceAttributes.Public, resource); 
     definition.MainModule.Resources.Add(er); 
     definition.Write(path); 
    } 

    public static MemoryStream GetResource(string path, string resourceName) 
    { 
     var definition = 
      AssemblyDefinition.ReadAssembly(path); 

     foreach (var resource in definition.MainModule.Resources) 
      if (resource.Name == resourceName) 
      { 
       var embeddedResource =(EmbeddedResource) resource; 
       var stream = embeddedResource.GetResourceStream(); 

       var bytes = new byte[stream.Length]; 
       stream.Read(bytes, 0, bytes.Length); 

       var memStream = new MemoryStream(); 
       memStream.Write(bytes,0,bytes.Length); 
       memStream.Position = 0; 
       return memStream; 
      } 

     return null; 
    } 

您可以使用GetResource方法来检索当前资源流(可写),

你可以读/写或修改现有资源或创建新的资源,然后通过调用ReplaceResource简单地将其放回可执行文件中,或通过调用AddResource

将其添加为新文件(以下是从头开始创建新资源的示例):

  var ms = new MemoryStream(); 
      var writer = new ResourceWriter(ms); 
      writer.AddResource("good_luck",new Bitmap("good_luck.png")); 
      writer.Generate(); 
      ReplaceResource(@"my executale.exe", "ResourceTest.Properties.Resources.resources",ms.ToArray()); 

您可以通过PM> Install-Package Mono.Cecil nuget获得塞西尔。