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<TreeView Table>.GiveChild (Function) In french: <Table hiérarchique>.RécupèreFils 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 = TVT_RecipeTV.GiveChild(1, taFirst) WHILE Res <> -1 Trace(Res) Res = TVT_RecipeTV.GiveChild(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 = TVT_MyTreeViewTable.Select() j = TVT_MyTreeViewTable.GiveChild(i, taFirst) WHILE j <> -1 Info("Row: " + j + ", Code: " + COL_Code[j]) // Call the procedure by specifying // the current row number ListChildren(j) j = TVT_MyTreeViewTable.GiveChild(i, taNext) END
Syntax
Returning the child of an element by specifying the row number Hide the details
<Result> = <TreeView Table control>.GetChild(<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> = <TreeView Table control>.GetChild([<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.
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