public int MoveStartWhile(
	params char[] chars
)

Public Function MoveStartWhile ( 
	ParamArray chars As Char()
) As Integer

public:
int MoveStartWhile(
	... array<wchar_t>^ chars
)

void MoveExamples(TextDocument document) {
    TextRange range = document.EntireRange;
    range.Text = "One two three four";
    range.Collapse(RangePosition.Start);

    range.Move(TextUnit.Word, 1);
    range.MoveEnd(TextUnit.Character, 3);

    // range text is now "two"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveEndWhile(' ', 't', 'r');

    // range text is now "two t"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveEndUntil(' ');

    // range text is now "two three"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveStart(TextUnit.Word, 1);

    // range text is now "three"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveStartWhile('t');

    // range text is now "hree"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveStartUntil('e', 'r');

    // range text is now "ree"
    Console.WriteLine("Range text is now: {0}", range.Text);

    range.MoveWhile(' ', 'f');
    range.Text = "ive";

    range.MoveUntil('o');
    range.Text = " f";

    range.Expand(TextUnit.Story);

    // range text is now "One two three five four"
    Console.WriteLine("Range text is now: {0}", range.Text);
}