diff --git a/Controls.DocumentViewer/DocumentViewer.Designer.vb b/Controls.DocumentViewer/DocumentViewer.Designer.vb
index b19d9de8..957b11a0 100644
--- a/Controls.DocumentViewer/DocumentViewer.Designer.vb
+++ b/Controls.DocumentViewer/DocumentViewer.Designer.vb
@@ -141,6 +141,7 @@ Partial Class DocumentViewer
         Me.GdViewer.SilentMode = True
         Me.GdViewer.Size = New System.Drawing.Size(1012, 557)
         Me.GdViewer.TabIndex = 0
+        Me.GdViewer.TabStop = False
         Me.GdViewer.ViewRotation = System.Drawing.RotateFlipType.RotateNoneFlipNone
         Me.GdViewer.Zoom = 1.0R
         Me.GdViewer.ZoomCenterAtMousePosition = False
@@ -161,6 +162,7 @@ Partial Class DocumentViewer
         Me.RichEditControl1.ReadOnly = True
         Me.RichEditControl1.Size = New System.Drawing.Size(249, 161)
         Me.RichEditControl1.TabIndex = 0
+        Me.RichEditControl1.TabStop = False
         Me.RichEditControl1.Visible = False
         '
         'BarManager1
@@ -438,6 +440,7 @@ Partial Class DocumentViewer
         Me.SpreadsheetControl1.ReadOnly = True
         Me.SpreadsheetControl1.Size = New System.Drawing.Size(268, 161)
         Me.SpreadsheetControl1.TabIndex = 0
+        Me.SpreadsheetControl1.TabStop = False
         Me.SpreadsheetControl1.Text = "SpreadsheetControl1"
         Me.SpreadsheetControl1.Visible = False
         '