Make Thread-Safe Calls to Windows Forms Controls

MakeThreadSafeCallsToWindowsFormsControls.cs

public delegate void LogCallback(string str, Color color);

private void LogHandler(string str, Color color)
{
    if (LogRichTextBox.InvokeRequired)
    {
        LogCallback logCallback = LogCallbackFunction;

        Invoke(logCallback, new object[] {str, color});
    }
    else
    {
        LogCallbackFunction(str, color);
    }
}

private void LogCallbackFunction(string str, Color color)
{
    LogRichTextBox.SelectionFont = new Font(FontFamily.GenericMonospace, 12, FontStyle.Regular);
    LogRichTextBox.SelectionColor = color;
    LogRichTextBox.AppendText(str);
    LogRichTextBox.AppendText("\n");
}