成员的完整列表，这些成员属于 FoxitPDFSDKPython3.WatermarkTextProperties,包括所有继承而来的类成员

alignment	FoxitPDFSDKPython3.WatermarkTextProperties	static
color	FoxitPDFSDKPython3.WatermarkTextProperties	static
e_FontStyleNormal	FoxitPDFSDKPython3.WatermarkTextProperties	static
e_FontStyleUnderline	FoxitPDFSDKPython3.WatermarkTextProperties	static
font	FoxitPDFSDKPython3.WatermarkTextProperties	static
font_size	FoxitPDFSDKPython3.WatermarkTextProperties	static
font_style	FoxitPDFSDKPython3.WatermarkTextProperties	static
line_space	FoxitPDFSDKPython3.WatermarkTextProperties	static
Set(font, font_size, color, style, line_space, alignment)	FoxitPDFSDKPython3.WatermarkTextProperties
WatermarkTextProperties()	FoxitPDFSDKPython3.WatermarkTextProperties
WatermarkTextProperties(properties)	FoxitPDFSDKPython3.WatermarkTextProperties