org.sonar.plugins.csharp.S4210.html Maven / Gradle / Ivy
Why is this an issue?
When an assembly uses Windows Forms (classes and interfaces from the System.Windows.Forms
namespace) its entry point should be marked
with the STAThreadAttribute
to indicate that the threading model should be "Single-Threaded Apartment" (STA) which is the only one
supported by Windows Forms.
This rule raises an issue when the entry point (static void Main
method) of an assembly using Windows Forms is not marked as STA.
Noncompliant code example
using System;
using System.Windows.Forms;
namespace MyLibrary
{
public class MyForm: Form
{
public MyForm()
{
this.Text = "Hello World!";
}
public static void Main() // Noncompliant
{
var form = new MyForm();
Application.Run(form);
}
}
}
Compliant solution
using System;
using System.Windows.Forms;
namespace MyLibrary
{
public class MyForm: Form
{
public MyForm()
{
this.Text = "Hello World!";
}
[STAThread]
public static void Main()
{
var form = new MyForm();
Application.Run(form);
}
}
}
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