private void cbStatusBar_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowStatusBar = cbStatusBar.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbPrint_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowReportPrintButton = cbPrint.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbZoomPageWidth_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowZoomPageWidthButton = cbZoomPageWidth.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbBookmarks_CheckedUnChecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         PreviewControl.IsBookmarksActivated = cbBookmarks.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbFullScreen_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowFullScreenButton = cbFullScreen.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbToolFind_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         PreviewControl.IsToolFindActivated = cbToolFind.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbToolEditor_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowToolEditorButton = cbToolEditor.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbBookmarksButton_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowBookmarksPanel = cbBookmarksButton.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }
 private void cbPageDelete_CheckedUnchecked(object sender, EventArgs e)
 {
     if (!Lock)
     {
         StiOptions.Viewer.Elements.ShowPageDeleteButton = cbPageDelete.IsChecked;
         PreviewControl.UpdateControlsState();
     }
 }