•通过预定义名访问对应的Category
PropertyCategory oPC =
oSelectedItem.PropertyCategories.FindCategoryByName(
PropertyCategoryNames.AutoCadEntityHandle);
•通过显示名访问对应的Category
PropertyCategory oPC = oSelectedItem.PropertyCategories.FindCategoryByDisplayName(
"Entity Handle");
•通过预定义名访问对应的DataProperty及其值
DataProperty prop = oPC.Properties.FindPropertyByName( DataPropertyNames.ItemName);
string value = prop.Value.ToDisplayString();
•通过显示名访问对应的DataProperty及其值
DataProperty prop = oSelectedItem.PropertyCategories.FindPropertyByDisplayName("Entity
Handle", "Value");