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How Can I Dynamically Execute C# Code from a Text File in a WPF Application?
How Can I Dynamically Execute C# Code from a Text File in a WPF Application?
Jan 07, 2025 pm 07:52 PM
Dynamically execute code from text file in WPF C# application
WPF C# applications can dynamically execute code from separate text files at runtime. This is useful for situations where code changes frequently or where code needs to be loaded from external resources.
To do this, you can use Microsoft's C# code provider, which allows you to compile and execute code on the fly. Here is a detailed code example:
using System.CodeDom.Compiler;
using System.Reflection;
using System.Text;
using System.IO; // 添加此命名空間用于文件讀取
// 從文本文件加載代碼
string sourceCode = File.ReadAllText("path/to/your/code.cs"); // 將"path/to/your/code.cs"替換為您的代碼文件路徑
// 創(chuàng)建C#代碼提供程序
CSharpCodeProvider provider = new CSharpCodeProvider();
// 設(shè)置編譯器參數(shù)
CompilerParameters compilerParams = new CompilerParameters
{
GenerateInMemory = true,
GenerateExecutable = false,
ReferencedAssemblies = { "mscorlib.dll", "System.dll", "System.Windows.Forms.dll" } // 添加必要的引用程序集
};
// 編譯代碼
CompilerResults results = provider.CompileAssemblyFromSource(compilerParams, sourceCode);
// 檢查錯誤
if (results.Errors.Count > 0)
{
StringBuilder sb = new StringBuilder();
foreach (CompilerError error in results.Errors)
{
sb.AppendLine(error.ToString());
}
throw new Exception("編譯錯誤：" + sb.ToString());
}
// 創(chuàng)建已編譯代碼的實例
object instance = results.CompiledAssembly.CreateInstance("CustomCode.MyCode"); // 假設(shè)您的代碼定義在CustomCode命名空間下，類名為MyCode
// 調(diào)用方法以執(zhí)行代碼
MethodInfo method = instance.GetType().GetMethod("Execute");
if (method != null)
{
method.Invoke(instance, null);
}
else
{
throw new Exception("未找到Execute方法。");
}
This example reads the code to be executed from a sourceCode string. Be sure to replace "path/to/your/code.cs" with your actual text file path. Additionally, we added the necessary namespace System.IO and ReferencedAssemblies parameters to ensure the compiler can find the necessary assemblies. Error handling has also been improved to provide more detailed error information.
This approach allows you to dynamically load and execute code from external files, providing flexibility and adaptability in application design. Please note that this approach is a security risk and should only be used on trusted code sources.
The above is the detailed content of How Can I Dynamically Execute C# Code from a Text File in a WPF Application?. For more information, please follow other related articles on the PHP Chinese website!
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