HslExtensionSelectBeginT 方法

public static T[] SelectBegin<T>(
	this T[] value,
	int length
)

<ExtensionAttribute>
Public Shared Function SelectBegin(Of T) ( 
	value As T(),
	length As Integer
) As T()

public:
[ExtensionAttribute]
generic<typename T>
static array<T>^ SelectBegin(
	array<T>^ value, 
	int length
)

[<ExtensionAttribute>]
static member SelectBegin : 
        value : 'T[] * 
        length : int -> 'T[] 

byte[] b1 = new byte[] { 0x13, 0xA6, 0x15, 0x85, 0x5B, 0x05, 0x12 };

byte[] buffer = SoftBasic.ArraySelectBegin( b1,3 );

// buffer 的值就是b1前面的3个字节 new byte[] { 0x13, 0xA6, 0x15 };