Check_Field_Exists Method

Checks if a field is present in the current screen or subfile.

Syntax

Define_Com Class(#vf_sy122) Name(#myscreen_wrapper) Parent(#COM_OWNER)

#bFound := #myscreen_wrapper.Check_Field_Exists(sName iInd)

Parameters

Name

Char 256 – Required

Integer that specifies the row number where to position the cursor.

Index

Integer – Optional

An Integer that specifies the subfile row of the field.

Note: the specified row index must exist in the current subfile page.

Return Value

Found

Boolean

true – the field was found in the current screen

false – the field was not found

Examples

Define_Com Class(#vf_sy122) Name(#myscreen_wrapper) Parent(#COM_OWNER)

#FldFound := #myscreen_wrapper.Check_Field_Exists("SURNAME")

#FldFound := #myscreen_wrapper.Check_Field_Exists("SURNAME" #listcount)

Dowhile (#myscreen_wrapper.check_field_exists( "SKILLCODE" #listcount ))

#myscreen_wrapper.getvalue From("skillcode") Value(#skilcode) Index(#listcount)

#listcount += 1

Endwhile