Appending a date to the output file is now working.

This commit should resolve issue #1. Appending a date to the output file
is now a selectable option in the app configuration.

ConfForm.cs

@@ -20,10 +20,13 @@ namespace PDF_Merge
             string sourcePath = ConfigurationManager.AppSettings["PDF-Path"];
             string outputPath = ConfigurationManager.AppSettings["PDF-Output"];
             string outputName = ConfigurationManager.AppSettings["PDF-Name"];
+            string outputExt = ConfigurationManager.AppSettings["PDF-Extension"];
 
             sourceBox.Text = sourcePath;
             outputBox.Text = outputPath;
             FileNameBox.Text = outputName;
+            fileExtlabel.Text = outputExt;
+
             if (ConfigurationManager.AppSettings["overwrite"] == true.ToString())
             {
                 overrideCBox.Checked = true;
@@ -32,6 +35,13 @@ namespace PDF_Merge
             {
                 overrideCBox.Checked = false;
             }
+            if (ConfigurationManager.AppSettings["appendDate"] == true.ToString() )
+            {
+                appendDatecheckBox.Checked = true;
+            } else
+            {
+                appendDatecheckBox.Checked = false;
+            }
         }
 
         private void cancelBtn_Click(object sender, EventArgs e)
@@ -68,6 +78,7 @@ namespace PDF_Merge
                 MessageBox.Show("File must be named.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
             appSettings.Settings["overwrite"].Value = overrideCBox.Checked.ToString();
+            appSettings.Settings["appendDate"].Value = appendDatecheckBox.Checked.ToString();
             appConfig.Save(ConfigurationSaveMode.Modified);
             ConfigurationManager.RefreshSection("appSettings");
             this.Close();