Format of specified cell using 0-based row and column indexes
Value of specified cell using 0-based row and column indexes
ItemOffsetMapping which describes sizes and offsets to start of columns
ItemOffsetMapping which describes sizes and offsets to start of rows
Return a snapshot to use when accessing values at a consistent point in time
Check whether value and format are valid to set for specified cell
Ok if the value and format are valid
Set value and format of specified cell
Ok if the change was successfully applied
Subscribe to data changes
Reference implementation of SpreadsheetData
Editable in-memory spreadsheet data container. Starts out empty. Use the API to fill with data!
Intended for use as a mock, to compare with an optimized implementation when testing and for simple sample apps. Simplest possible implementation, no attempt at optimization.