Function GdipSetStringFormatDigitSubstitution
pub unsafe extern "system" fn GdipSetStringFormatDigitSubstitution(
format: *mut GpStringFormat,
language: u16,
substitute: StringDigitSubstitute,
) -> Status
pub unsafe extern "system" fn GdipSetStringFormatDigitSubstitution(
format: *mut GpStringFormat,
language: u16,
substitute: StringDigitSubstitute,
) -> Status