public void IO_CopyFile(
	string srcFile,
	string destFile,
	bool overwrite,
	string key
)

Public Sub IO_CopyFile ( 
	srcFile As String,
	destFile As String,
	overwrite As Boolean,
	key As String
)

public:
virtual void IO_CopyFile(
	String^ srcFile, 
	String^ destFile, 
	bool overwrite, 
	String^ key
) sealed