TrnSetPenFocus
- Last UpdatedJul 18, 2023
- 1 minute read
Sets the focus to a specified pen. After the focus is set, the focus pen is used with other trend functions.
Syntax
TrnSetPenFocus(nAN, Pen)
AN:
The AN of the chosen trend.
Pen:
The trend pen:
-4 - Make the next pen the focus pen; without skipping blank pens.
-3 - Make the previous pen the focus pen; without skipping blank pens.
-2 - Make the next pen the focus pen; skip blank pens.
-1 - Make the previous pen the focus pen; skip blank pens.
0 - Keep the current focus.
1...8 - Change Pen1. . .8 to be the focus pen.
Return Value
The old pen focus number, or -1 if an error is detected. You can call the IsError() function to get the actual error code.
Related Functions
Example
System Keyboard
|
Key Sequence |
NextPen |
|
Command |
TrnSetPenFocus(20, -2) |
|
Comment |
For the trend at AN20, make the next pen the focus pen |