Program Editor

The program editor is displayed in a tab if a program (e.g., PLC_PRG) is double-clicked in the Project Structure or the [Edit] button of the menu ribbon is clicked. For additional information, see the CODESYS online help.

Elements of the Program Editor
Pos.	Description
1	Tabs Program editors, library managers, visualizations are displayed based on the selection in the Program Structure (double-clicking). Right-clicking a tab opens a context menu that contains the following functions: “Close,” “Close all windows apart from this one,” “Undock/Dock”, “New horizontal/vertical tab group” and “Move to the next/previous tab group”.
2	Declaration Editor This area normally appears above the program code. It contains the program name, the scope of validity and variable declarations (see CODESYS online help: “Options, Declaration Editor”).
3	Language Editor The program code appears here when using language editors such as for “Structured Text” (ST) or “Continuous Function Chart” (CFC).
4	Active Tabs Shows active tabs in a selection list.
5	Text/Table Toggle Button Toggles between textual and tabular view (see CODESYS online help: “Options, Declaration Editor”)
		Textual View
		Tabular View
6	Zoom factor The zoom factor enlarges or reduces the content of the declaration and language editor