C#

<?xml version="1.0"?>

-<testsuite>

<Name>testsuite</Name>

<Address>Colony</Address>

<Char>arc</Char>

</testsuite>

// Create a new file in C:\\ dir
XmlTextWriter textWriter = new XmlTextWriter("C:\\XML files\\API_PASS.xml", null);

// Opens the document
textWriter.WriteStartDocument();
            
// Write first element
textWriter.WriteStartElement("testsuite");
 
// Write next element
textWriter.WriteStartElement("Name", "");
textWriter.WriteString("testsuite");
textWriter.WriteEndElement();

// Write one more element
textWriter.WriteStartElement("Address", ""); textWriter.WriteString("Colony");
textWriter.WriteEndElement();

// WriteChars
char[] ch = new char[3];
ch[0] = 'a';
ch[1] = 'r';
ch[2] = 'c';
textWriter.WriteStartElement("Char");
textWriter.WriteChars(ch, 0, ch.Length);
textWriter.WriteEndElement();

// Ends the document.
textWriter.WriteEndDocument();

// close writer
textWriter.Close();

-<testsuite errors="0">

textWriter.WriteStartElement("testsuite errors=\"0\");

WindowsEnumerator enumerator = new WindowsEnumerator();
          
foreach (WindowsEnumerator.ApiWindow top in enumerator.GetTopLevelWindows())
{
    if (top.MainWindowTitle == "Client Builder")
    {
        foreach (WindowsEnumerator.ApiWindow child in enumerator.GetChildWindows(top.hWnd))
        {
            if (child.ClassName == "Child_ClassName" && child.MainWindowTitle == "Child_Title")
            {
                IntPtr Chd_win = IntPtr.Zero;

                // GUI 
                Chd_win = FindWindowEx(hwnd, Chd_win, child.ClassName, child.MainWindowTitle);
                           
                PostMessage(Chd_win, WM_LBUTTONDOWN, 5, 5); // button down 
                PostMessage(Chd_win, WM_LBUTTONUP, 5, 5); // button up
                           
                MessageBox.Show(child.ClassName + ", " + child.MainWindowTitle, "");
            }
        }
    }
}