Basic working program.

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

ConfForm.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Configuration;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace PDF_Merge
+{
+    public partial class ConfForm : Form
+    {
+        public ConfForm()
+        {
+            InitializeComponent();
+
+            string sourcePath = ConfigurationManager.AppSettings["PDF-Path"];
+            string outputPath = ConfigurationManager.AppSettings["PDF-output"];
+
+            sourceBox.Text = sourcePath;
+            outputBox.Text = outputPath;
+        }
+
+        private void cancelBtn_Click(object sender, EventArgs e)
+        {
+            this.Close();
+        }
+    }
+}