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| IField::VBS_GetPreviousLength |
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| Function VBS_GetPreviousLength(row As Variant, column As Variant, length As Variant, [ft As FieldType = UNPROTECTED]) As Long |
Parameters
| No | Name | Type | Optional | Default | Description |
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| 1 | row | Variant | No | - | Position on the screen from where the search starts |
2 | column | Variant | No | - |
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3 | length | Variant | No | - | On success will contain the length of the field in characters. In the case of an error, the contents of this parameter are undefined |
4 | ft | 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.
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| Dim row as Variant Dim column as Variant Dim myLength as Variant Dim myType as FieldType Dim result as Long row = 18 column = 45 myType = PROTECTED result = field.VBS_GetPreviousLength(row, column, myLength, myType) If result = JGS_OK then ... ' myLength contains length of previous protected field Else ... |
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