Bitmap 构造函数

 CONSTRUCTOR(
	xResourceID,
	kLoadOption,
	iWidth,
	iHeight
) CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public Bitmap(
	__Usual xResourceID = default,
	__Usual kLoadOption = default,
	__Usual iWidth = default,
	__Usual iHeight = default
)