Porovnávané verzie
porovnané s
Kľúč
- Tento riadok sa pridal
- Riadok je odstránený.
- Formátovanie sa zmenilo.
%GetItemValue function
Function
The function retrieves the value of the structure item with a specified row and column.
Declaration
| Blok kódu | ||||
|---|---|---|---|---|
| ||||
UNIVAL %GetItemValue( HBJ in objRef, INT in row, INT in col[, BOOL in bHBJ = @FALSE] ) |
Parameters
| objRef | Reference to an object of Structured variable type. |
| row | Row index. |
| col | Column index. |
| bHBJ | If the value is @FALSE or the parameter is not specified, the function returns the value of the fielditem. 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 typetypes: 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, the structure is taken as a value matrix.
The following assignments:
| Blok kódu | ||||
|---|---|---|---|---|
| ||||
TEXT _i |
| Blok kódu | ||||
|---|---|---|---|---|
| ||||
_i := SV.Structure[2]^Text |
| Blok kódu | ||||
|---|---|---|---|---|
| ||||
_i := %GetItemValue(SV.Structure\HBJ, 2, 1) |
return the same values.
See also the attribute: \HBJ