LineStyle

type LineStyle = None | Double | Hair | DashDotDot | DashDot | Dotted | Dashed | Thin | MediumDashDotDot | SlantDashDot | MediumDashDot | MediumDashed | Medium | Thick

Description

Specifies the line style used to form the cell border.

Try It

oWorksheet.GetRange("E2").SetBorders("Bottom", "Dotted", Api.CreateColorFromRGB(0, 0, 0));

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