This function returns the current state of the check box.
Input:
check_box : SYSHANDLE
A handle to the check box to get the state of.
Returns: INT
1
|
- Check box is checked.
|
0
|
- Check box is not checked.
|
-1
|
- Interface is not open (see guiOpen).
|
-3
|
- Invalid handle.
|
-11
|
- The GUI API is not supported.
|
Declaration:
FUNCTION guiCheckBoxIsChecked : INT;
VAR_INPUT
check_box : SYSHANDLE;
END_VAR;
Example:
INCLUDE rtcu.inc
PROGRAM test;
VAR
check : SYSHANDLE;
END_VAR;
BEGIN
...
IF guiCheckBoxIsChecked(check_box := check) = 1 THEN
DebugMsg(message := "Checked");
END_IF;
...
END;
END_PROGRAM;
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