iDevOS CALC "EVIS" Command
See if an entity is visible or hidden.
Description
CALC( y, name, "EVIS" ); // y = visible("name") = is entity name visible?
This command checks the given entity called name
to see if it is visible or hidden. The value y
will be set to 0
if the entity is not visible (hidden) or 1
if it is visible.
Parameters
y
- Calculation result.
Parameter type: entity name of a numeric variable (egU8
,S32
,FLT3
etc). name
- Entity Name.
Parameter type: immediate entity name. "EVIS"
- CALC command operator.
Parameter type: immediate string.
Examples
Example 1
VAR(vis, 0, U8); // Result TEXT(txt1, "Hello", stTxt); // Text to hide CALC(vis, txt1, "EVIS"); // vis = 1 (visible) HIDE(txt1); CALC(vis, txt1, "EVIS"); // vis = 0 (hidden) SHOW(txt1); CALC(vis, txt1, "EVIS"); // vis = 1 (visible)