How Can I Execute Code from a File in My WPF C# Application?
Jan 07, 2025 pm 07:47 PMDynamic Code Execution in WPF C# Applications
This guide demonstrates how to execute code from an external text file within your WPF C# application using a button click. The code file should reside in your application's execution directory. This dynamic execution is achieved through these steps:
-
File Input: Read the code from the text file into a string variable.
-
CSharpCodeProvider: Instantiate a
CSharpCodeProvider
object to handle code compilation. -
Compiler Parameters: Configure compiler parameters. Set
GenerateInMemory
totrue
(compile in memory) andGenerateExecutable
tofalse
(avoid creating an executable). -
Compilation: Use the
CSharpCodeProvider
to compile the code string using the specified parameters. -
Error Handling: Check the
Errors
property of theCompilerResults
object for compilation errors and handle them appropriately. -
Instance Creation: Upon successful compilation, create an instance of the compiled class using
CreateInstance
. -
Method Invocation: Use reflection to invoke the desired method within the compiled class (e.g.,
SayHello()
).
This method allows for flexible code updates and modifications without requiring a full application recompile. Remember to handle potential security risks associated with executing arbitrary code.
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