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//UG二次开发中隐藏与显示对象相关的函数说明

tag_t obj[1];
UF_OBJ_set_blank_status(obj[0],UF_OBJ_BLANKED); //隐藏对象
UF_OBJ_set_blank_status(obj[0],UF_OBJ_NOT_BLANKED); //显示对象

//设置 对象的可见性
tag_t line_tag1;
UF_CURVE_line_s line_coords1;
line_coords1.start_point[0] = 0.0;
line_coords1.start_point[1] = 0.0;
line_coords1.start_point[2] = 0.0;
line_coords1.end_point[0] = 10.0;
line_coords1.end_point[1] = 10.0;
line_coords1.end_point[2] = 0.0;
UF_CURVE_create_line ( &line_coords1, &line_tag1 );//生成直线1

tag_t line_tag2;
UF_CURVE_line_s line_coords2;
line_coords2.start_point[0] = 15.0;
line_coords2.start_point[1] = 0.0;
line_coords2.start_point[2] = 0.0;
line_coords2.end_point[0] = 25.0;
line_coords2.end_point[1] = 10.0;
line_coords2.end_point[2] = 0.0;
UF_CURVE_create_line ( &line_coords2, &line_tag2 );//生成直线2

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