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GetPreviousLength_(Method)


Get the length of the previous protected or unprotected field.

Function GetPreviousLength(row As Variant, column As Variant, length As Variant, [ft As FieldType = UNPROTECTED]) As Long

Parameters

NoNameTypeOptionalDefaultDescription
1cursorCursorPosNo-

Position on the screen from where the search starts

2lengthLongNo-

On success will contain the length of the field in characters. In the case of an error, the contents of this parameter are undefined

3

ft

FieldType

Yes

UNPROTECTED

Get the length of the previous PROTECTED or UNPROTECTED field.  The default is UNPROTECTED

Return Code

Description

JGS_OK

The field length was found

JGS_PARAMETERERROR

Missing or invalid parameter

JGS_NOTCONNECTED

Your application is not connected to any valid session

JGS_POSITIONERROR

The specified position in the screen is invalid

JGS_SYSERROR

The function failed due to a system error

JGS_NOFIELD

The position was not inside a field or the screen is unformatted

JGS_ZEROLENFIELD

The specified field has a length of 0

Remarks

This function starts at the specified position.  It searches backward for the next PROTECTED or UNPROTECTED field and retrieves it's length.

Sample Code

Dim row as Variant
Dim column as Variant
Dim fieldLength as Variant
Dim myType as FieldType
Dim result as Long
row = 18
column = 45
myType = PROTECTED
result = field.GetPreviousLength(row, column, fieldLength, myType)
If result = JGS_OK then
...   ' fieldLength contains length of previous protected field
Else ...


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