private void AddListLevel(int level)
{
this.ListLevelProperties = new ListLevelProperties(this);
double spacebefore = 0.635;
spacebefore *= level;
string space = spacebefore.ToString().Replace(",",".")+"cm";
string minlabelwidth = "0.635cm";
this.ListLevelProperties.MinLabelWidth = minlabelwidth;
this.ListLevelProperties.SpaceBefore = space;
}