如何高亮显示AcDbGroup中的单个实体，或者全部高亮显示

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AcDbGroup::setSelectable
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C++
Acad::ErrorStatus setSelectable(
    bool selectable
);
Parameters
Parameters
Description
bool selectable
Input boolean to indicate the selectable state.
Description
If selectable == true, then the entire group is selected and manipulated as one unit. selectable == false allows users to manipulate individual entities within the group.

Returns Acad::eOk if successful.



将此函数设置true将高亮显示组中所有实体，将此函数设置为false将高亮显示组中的单个实体