SetCompatibleTextRenderingDefault must be called before the first IWin32Window object is created in

[Simon Sutherill]

My WindowsForms application is not compiling.  The error is as follows:
InvalidOperatinException was unhandled: SetCompatibleTextRenderingDefault must be called before the first IWin32Window object is created in the application.

It works without issue when I comment out the richtextbox (outputbox) in the nlog.config (see below).  Any ideas?

 

Program.cs:

using System.Linq;
using System.Windows.Forms;
using NLog;



namespace SQLSMODemo
{
    static class Program
    {
        private static Logger logger = LogManager.GetCurrentClassLogger();
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            logger.Trace("Sample trace message");
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}

Nlog.config:

<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <!-- make sure to set 'Copy To Output Directory' option for this file -->
  <!-- go to http://nlog-project.org/wiki/Configuration_file for more information -->
  <targets>
    <target name="logfile" xsi:type="File" fileName="c:\temp\file.txt" />
    <target xsi:type="RichTextBox" name="outputbox" layout="${longdate}|${level:uppercase=true}|${logger}|${message}" controlName="richTextBox1" formName="Form1" />
  </targets>
  <rules>
    <logger name="UI" minlevel="Trace" writeTo="outputbox" />
    <logger name="*" minlevel="Trace" writeTo="logfile" />
  </rules>
</nlog>

I am 100% sure this is me ... I just don't why or how ... any assistance would be great.

 

[Jason LaFlair]

Change your Main to do what the error message is saying :)

Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);


logger.Trace("Sample trace message");


Application.Run(new Form1());


 

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