However, for more complex objects you will need to specify object properties. These properties vary from one drawing tool to the next. For a detailed description of all the properties of the various drawing tools refer to the Draw section in the Menus chapter. Here we want to demonstrate how to place a data item. Once you complete the drag operation and release the left mouse button the Select Data Source dialog specific to the drawing tool Data Item will pop up:
The Select Data Source dialog allows you to select the data item you want to display. You can choose between a plain data item or a formula can combine multiple data items to compute a new display value on the fly. For a simple data item you will see all the blocks defined in your various block definition files as well as the system blocks. Select the block that contains the data item of interest. The right hand list box gets populated with the items contained in the block selected on the left. Now choose the item to display. If the data item you select is an array item (indicated by the square brackets) the Start Index, End Index, and Step fields are enabled and you can choose the part of the array you want to display.
Note:
Although you might select a very large array only the items that will fit into the selected drawing area will be displayed, when you resize your object later more or less items might be displayed, up to the limit you have specified here.
Once you select Ok and your selection is valid the new data item will be displayed with the default data style like in the image below. You can adjust the data format with the Data Format Menu.
The caption bar has an asterisk added to the title. This indicates that the screen has been changed. Once you save the screen file it will disappear. You can save your screen with the File/Save As... menu.