返回当前绘图高度
这种方法没有任何参数
builder.CreateFile("xlsx")!varoWorksheetvaroFinll =api.CreateSolidFillvarostroke=api.CreatestrokeVaroDrawing=oWorksheet.ODrawing.SetSize(120*36000,70*3600)ODrawing.SetPostition(0,2*36000,1,3*3600)varnH8=odrawing.getHeightworkshe.GetRange(“A1”).SetValuebuilder.SaveFile("xlsx", "GetHeight.xlsx")!builder.CloseFile();