Siemens SINUMERIK 840DE sl Commissioning Manual page 843

Function name
Empty
Get focus
Easy XML
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
Description
The function deletes the contents of the specified list box or graphic
box controls.
Syntax:
<function name="control.empty"> control name, </
function>
Attribute:
name – function name
Values:
control name – control name
Example:
<function name="control.empty">_T"listbox1"</
function>
The function supplies the name of the control, which has the input
focus.
Syntax:
<function name="control.getfocus"
return="focus_name" />
Attributes:
name – function name
return – a string variable should be specified, into which the control
name is copied.
Example:
<let name>="focus_field" type="string"></let>
<function name="control.getfocus"
return="focus_field"/>
Generating user dialogs
1.10 Predefined functions
125