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BtField Class
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<< Click to Display Table of Contents >> BtField Class |
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Purpose
Strongly typed class that holds the field information
Prototype
CLASS BtField
Method
| GetValue() | Read Field value from table buffer |
| Init() | Constructor of BtField Class |
| PutValue() | Write Field value to table buffer |
| SetTable() | Method that sets the table and the data pointer in the field structure |
Source Code
CLASS BtField
EXPORT cName AS STRING // Normalized FieldName (max 10 characters)
EXPORT cCaption AS STRING // Original FieldName
EXPORT symName AS SYMBOL // Name as Symbol
EXPORT cVoType AS STRING // Vo Type
EXPORT nBtType AS BYTE // Btrieve Type
EXPORT nOffSet AS DWORD // Offset in Data Buffer
EXPORT nFysLen AS DWORD // Fysical Length of field
EXPORT nVoLen AS DWORD // Logical (VO) Length of field
EXPORT nDecimals AS DWORD // # of Decimals
EXPORT oTable AS BtTable // Table object
EXPORT ptrData AS PTR // Data Pointer
EXPORT lVariable AS LOGIC // variable Length Field ?
EXPORT nField AS DWORD // Field number from DDF File
DECLARE METHOD GetValue, PutValue, SetTable