Gets or sets a value indicating whether the Excel workbook should be opened in read-only mode. When set to true, the workbook can be accessed and read without allowing modifications to be saved back to the original file. This property is particularly useful for applications that require data analysis or viewing without the need of altering the workbook content.
public bool ReadOnly { get; set; }
A boolean value where true opens the workbook in read-only mode, and false allows for both reading and writing operations.