GUIs.Test: Update test apps

GUIs.Test.TestGUI/frmDocViewPure.vb

@@ -0,0 +1,15 @@
+Imports GdPicture14
+
+Public Class frmDocViewPure
+    Private Sub frmDocViewPure_Load(sender As Object, e As EventArgs) Handles MyBase.Load
+        SpreadsheetControl1.LoadDocument("E:\35MB.xlsx")
+
+    End Sub
+
+    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
+        SpreadsheetControl1.Document.Dispose()
+        SpreadsheetControl1.Dispose()
+        SpreadsheetControl1 = Nothing
+
+    End Sub
+End Class