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| IField::GetNextLength |
Get the length of the next protected or unprotected field.
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| Function GetNextLength(cursor As CursorPos, length As Long, [ft As FieldType = UNPROTECTED]) As Long |
Parameters
| No | Name | Type | Optional | Default | Description |
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| 1 | cursor | CursorPos | No | - | Position on the screen from where the search starts |
| 2 | length | Long | 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 |
3 | ft | Yes | UNPROTECTED | Get the length of the next 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 | ||||
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This function starts at the specified position. It searches forward for the next PROTECTED or UNPROTECTED field and retrieves it's length.
Sample Code
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| Dim myPos as CursorPos Dim myLength as Long Dim myType as FieldType Dim result as Long myPos.row = 18 myPos.column = 45 myType = PROTECTED result = field.GetNextLength(myPos, myLength, myType) If result = JGS_OK then ... ' myLength contains length of next protected field Else ... |
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