'宣言 Public Property SignatureStampTextRectangle As Nullable(Of RectangleF)
public Nullable<RectangleF> SignatureStampTextRectangle {get; set;}
'宣言 Public Property SignatureStampTextRectangle As Nullable(Of RectangleF)
public Nullable<RectangleF> SignatureStampTextRectangle {get; set;}