public static IAsyncAction AppendTextAsync(
	IGDStorageFile file,
	string contents,
	UnicodeEncoding encoding
)

public:
static IAsyncAction^ AppendTextAsync(
	[InAttribute] IGDStorageFile^ file, 
	[InAttribute] String^ contents, 
	[InAttribute] UnicodeEncoding^ encoding
)

GD.GDFileIO.AppendTextAsync = function(file, contents, encoding);