Spread Win 4的新功能

在Spread Win 4的Read Me中，列出了Spread Win 4的新功能，现摘录下来，和大家分享：
More Display Options
Complete text rendering
Enhanced FocusIndicatorRenderer
Excel style grouping
Sheet corner customization
Cell note indicator customization
Frozen rows and columns in child views
Spread skins
More Import and Export Options
Export to PDF
Excel 2007 XML support
Export and import images to/from an Excel-formatted file (BIFF 8 format only)
Ability to export alternating rows settings to an Excel-formatted file (export only)
Import/Export Validation List to XLS
New Cells and Features
BarCode cell
ColorPicker cell
Fraction cell properties
Tick width property for slider cell
New Editing Options
Floating formula box
Formula provider control
Edit control customization
Allow user to double-click row header to auto resize the row height
New Events and Event Properties
ColumnWidthChanging event
SortFrozenRows and SortTrailingFrozenRows for the AutoSortingColumn event
More Methods
DataAddAllowNew method
New Spread Designer Features
New Spread Designer layout
New Binding Options
Bind data source to range

真希望spread能出个中文的