Opening declaration of an element
How to go to the declaration of an element from within the ST-editor:
Click into the element for the declaration of which you are looking for.
Example 1: Click into a →call of a →function block. Such an ST-code could be: Control (...);
Example 2: Click on the type within the declaration of a function block →instance. Such an ST-code could be: MyInstance : TON; (TON is the type.)From the context menu of the ST-editor, select Open Declaration. Alternative: Press the F3-key.
Result: logi.CAD 3 goes to the corresponding declaration of the element and selects its name.
Example: The ST-code for the declaration of the function is: FUNCTION_BLOCK Control ... END_FUNCTION_BLOCK, with name Control being selected.
How to go to the declaration from with the ST-editor even quicker:
Press and hold the Ctrl-key, then move the mouse cursor over the element.
Result: The element becomes a hyperlink as evident by its colored and underlined font. Example: Control (...); or MyInstance : TON;Click onto the hyperlink.
If an ST-viewer is active, logi.CAD 3 provides the following possibilities within the context menu of the ST-viewer:
Command |
Meaning |
Keyboard shortcut |
Open Declaration |
open the declaration and transfer the →instance context For the declaration MyInstance : TON; within the ST-viewer, the command is provided for MyInstance. Result of the command: logi.CAD 3 opens the ST-viewer for TON. |
F3 |
Open in ST Editor |
open the declaration, do not transfer the instance context
For the declaration MyInstance : TON; within the ST-viewer, the command is provided for MyInstance. Result of the command: logi.CAD 3 opens the ST-editor for the current POU in which the function block instance is declared. |
F4 |
Open Declaration in ST Editor |
open the declaration, do not transfer the instance context
For the declaration MyInstance : TON; within the ST-viewer, the command is provided for TON. Result of the command: logi.CAD 3 opens the ST-editor for TON. |
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You are also able to use the following possibility within the ST-viewer:
Press and hold the Ctrl-key, then move the mouse cursor over the element.
Result: As within the ST-editor, the element becomes a hyperlink as evident by its colored and underlined font. Within the ST-viewer, a pop-up window is additionally displayed. This pop-up window provides commands analogous to the commands provided within the context menu of the ST-viewer.Click onto one of the commands in order to open the declaration and to transfer the instance context or not.
If you click onto the hyperlink at once, logi.CAD 3 executes the command that is listed at the first position of the pop-up window.