RadioButton 构造函数

 CONSTRUCTOR(
	oOwner,
	xID,
	oPoint,
	oDimension,
	cText,
	kStyle
) CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public RadioButton(
	__Usual oOwner = default,
	__Usual xID = default,
	__Usual oPoint = default,
	__Usual oDimension = default,
	__Usual cText = default,
	__Usual kStyle = default
)