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porovnané s
Kľúč
- Tento riadok sa pridal
- Riadok je odstránený.
- Formátovanie sa zmenilo.
%GetItemValue function
Function
The function retrieves the value of the specified structure item with a specified row and column.
Declaration
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UNIVAL %GetItemValue( HBJ in objRef, INT in row, INT in col[, BOOL in bHBJ = @FALSE] ) |
Parameters
| objRef | Reference to object of Structured variable type. |
| row | Row index. |
| col | Column index. |
| bHBJ | If the value is @FALSE or parameter is not specified, the function returns value of the field. If the value is @TRUE, the function returns the following according to the column type: - Column type Object: function returns the object identifier (HBJ), to which the item refers |
- Other column type: function returns |
| an invalid value |
Example
The function provides an alternative method of the access to items of a structure using the row and column index. In this context, structure is taken as a value matrix.
The following assignments:
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TEXT _i |
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_i := SV.Structure[2]^Text |
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_i := %GetItemValue(SV.Structure\HBJ, 2, 1) |
get return the same values.
See also the attribute: \HBJ