Functions.B64Decode 方法

 FUNCTION B64Decode(
	pSrc AS PTR,
	pTarget AS PTR,
	dwLength AS DWORD,
	dwCharCount REF DWORD
) AS DWORD

public static uint B64Decode(
	void* pSrc,
	void* pTarget,
	uint dwLength,
	ref uint dwCharCount
)