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Change display mode when date/number data width longer than column width.
example
//This example uses the NumbersFitMode enumeration.
spread.options.numbersFitMode = GC.Spread.Sheets.NumbersFitMode.overflow;
• mask = 0
Indicates replacing data content with "###" and show tip.
• overflow = 1
Indicates display data content as a string, if next cell is empty, overflow the content.