Basic working program.

It will merge PDFs from a directory. Configuration is currently all
manual.

MainForm.cs

@@ -0,0 +1,65 @@
+using System.Configuration;
+
+namespace PDF_Merge
+{
+    public partial class MainForm : Form
+    {
+        public MainForm()
+        {
+            InitializeComponent();
+            string sourcePath = ConfigurationManager.AppSettings["PDF-Path"];
+            if (sourcePath != null)
+            {
+                if (sourcePath != "")
+                {
+                    if (Directory.Exists(sourcePath))
+                    {
+                        pathLable.Text = pathLable.Text + sourcePath;
+                    } else
+                    {
+                        pathLable.Text = "The configured path does not exist.";
+                    }
+                } else
+                {
+                    pathLable.Text = "The configured path is blank.";
+                }
+            } else
+            {
+                pathLable.Text = "No path has been configured.";
+            }
+        }
+
+        private void Form1_Load(object sender, EventArgs e)
+        {
+
+        }
+
+        private void label1_Click(object sender, EventArgs e)
+        {
+
+        }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            string[] pdf_files = MergePDFs.CollectPdfFiles();
+            MergePDFs.MergePdfFiles(pdf_files, ConfigurationManager.AppSettings["PDF-Output"]);
+        }
+
+        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            Environment.Exit(0);
+        }
+
+        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            AboutBox1 AboutWindow = new AboutBox1();
+            AboutWindow.Show();
+        }
+
+        private void configureToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            ConfForm ConfForm = new ConfForm();
+            ConfForm.Show();
+        }
+    }
+}