TableGiveChild (Function) In french: TableRécupèreFils Returns the "children" of an element (lower level) in a TreeView Table control.
// First "child" of first node in the "TVT_RecipeTV" control
Res is int
Res = TableGiveChild(TVT_RecipeTV, 1, taFirst)
WHILE Res <> -1
Trace(Res)
Res = TableGiveChild(TVT_RecipeTV, 1, taNext)
END
// Recursive procedure used to list all children
// of all parents from a row
PROCEDURE ListChildren(i=0)
j is int
// If no row number was passed as parameter,
// gets the index of selected row
IF i = 0 THEN i = TableSelect(TVT_MyTreeViewTable)
j = TableGiveChild(TVT_MyTreeViewTable, i, taFirst)
WHILE j <> -1
Info("Row: " + j + ", Code: " + COL_Code[j])
// Call the procedure by specifying
// the current row number
ListChildren(j)
j = TableGiveChild(TVT_MyTreeViewTable, i, taNext)
END
Syntax
Returning the child of an element by specifying the row number Hide the details
<Result> = TableGiveChild(<TreeView Table control> , <Row number> , <Child>)
<Result>: Integer - Number of the row for the "child" that was found,
- -1 if no "child" is found.
<TreeView Table control>: Control name Name of the TreeView Table control to be used. <Row number>: Integer Number of the row containing the branch to use. <Child>: Constant Indicates the requested "child". | | | taFirst | First child element. | | taNext | Next child element. |
Returning the child of an element by specifying its name Hide the details
<Result> = TableGiveChild(<TreeView Table control> [, <Element name>] , <Child>)
<Result>: Integer - Number of the row for the "child" that was found,
- -1 if no "child" is found.
<TreeView Table control>: Control name Name of the TreeView Table control to be used. <Element name>: Optional character string Name of the element to be used. This parameter has the following format:
"<Root name>" + TAB + ["<Name of 1st node>" + TAB + ...
["<Name of 2nd node>" + TAB + [...]]]"<Element name>"
A WLanguage error occurs if this parameter does not correspond to an existing element. <Child>: Constant Indicates the requested "child". | | | taFirst | First child element. | | taNext | Next child element. |
Remarks The runtime speed of syntax 1 is faster than the runtime speed of syntax 2. Business / UI classification: UI Code
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