%GetItemValue function

Function
The function retrieves the value of the structure item with a specified row and column.


Declaration
UNIVAL  %GetItemValue(
   HBJ in objRef, 
   INT in row, 
   INT in col[,
   BOOL in bHBJ = @FALSE]
)
Parameters
objRefReference to an object of Structured variable type.
rowRow index.
colColumn index.
bHBJIf the value is @FALSE or the parameter is not specified, the function returns the value of the item.
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 types: function returns an invalid value
Example
The function provides an alternative method of 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:

 


TEXT _i
_i := SV.Structure[2]^Text
_i := %GetItemValue(SV.Structure\HBJ, 2, 1)
 


return the same values.

See also the attribute: \HBJ

Related pages:

Implemented functions
Function arguments - types

Napíšte komentár