6.4. Using the option of selection of several elements – multiselect mode. <br>

## 6.4. Using the option of selection of several elements – multiselect mode.

Many operations on elements can be performed not only individual for each element, but also in groups, simultaneously for many elements. To perform any operation on many elements it is necessary to select them.

! A condition for using the multiselect mode is selection of elements of the same type, for example defined partitions, storeys, flats, compartments, etc.

Selecting of several elements and their simultaneous edition enables considerable speed up of work. These possibilities have essential meaning at data completion.

In tabular editor of Instal-heat&energy program, one of selection methods for many elements simultaneously – using the multiselect mode – is selection of chosen elements on the tree or on the list by means of Shift key. It enables selection of group of elements occurring in succession (one after another). If the User wants to select chosen elements, he should take advantage of Ctrl key. Clicking chosen elements with pressed Ctrl key the User can select any required number of chosen elements. A condition for group selection is choosing the elements of the same type, for example compartments.

¨ To select several chosen elements, it is necessary to:

1. Position the mouse cursor on the first chosen element and click the left mouse button to select it,

2. Press the Shift or Ctrl key,

3. Pressing the Shift (Ctrl) key click the second and next elements. The program will select these elements without deselecting previous ones,

4. When using the Shift key it is necessary to choose such group of elements, in which the elements occur in succession, because it is impossible to deselect a wrong element,

5. When using the Ctrl key it is possible to choose any required set of elements, because only chosen ones will be selected,

6. Release the Shift or Ctrl key

7. All indicated elements will be selected. Selected elements will be displayed as bold.

For such selected elements the common edition fields will appear. In these fields can be entered common data for selected group of elements. Common data completion has been described in chapter 6.4.1.