SpreadsheetWatermarkHeaderFooterOptions
SpreadsheetWatermarkHeaderFooterOptions constructor
初始化一个新的实例SpreadsheetWatermarkHeaderFooterOptions
类.
public SpreadsheetWatermarkHeaderFooterOptions()
初始化一个新的实例SpreadsheetWatermarkHeaderFooterOptions
类.
public SpreadsheetWatermarkHeaderFooterOptions()