DataEnvironment.AddProperty 方法

 VIRTUAL METHOD AddProperty(
	cPropertyName,
	uValue,
	nVisibility,
	cDescription
) AS LOGIC CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public virtual bool AddProperty(
	__Usual cPropertyName = default,
	__Usual uValue = default,
	__Usual nVisibility = default,
	__Usual cDescription = default
)