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Gets or sets a PrintQuality value that represents the print quality of this page. Default is 600 dpi.
Use this property to determine the current page print resolution that will be applied when the worksheet is printed.
PrintQuality PrintQuality { get; set; }
Property PrintQuality As PrintQuality
IPageSetup pageSetup = worksheet.PageSetup;
pageSetup.PrintQuality = PrintQuality.Dpi144;
PrintQuality printQuality = pageSetup.PrintQuality;