The Court of Chancery may make any appointment or direction under § 3501 of this title, by an order made in any cause pending in that Court or upon petition of 1 or more of those interested in the trust or by the remaining or surviving donee or donees of any such power or powers. The Court of Chancery may, upon presentation of any such petition, take such testimony as it deems necessary to satisfy the Court that the granting of such petition will not impair the beneficial interest of any of the donees and other beneficiaries under such trust. Such testimony may be taken orally, at the bar of the Court, or by depositions.

21 Del. Laws, c. 122, § ?2; Code 1915, § ?3864; Code 1935, § ?4388; 12 Del. C. 1953, § ?3502;