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module com {  module sun {  module star {  module awt {  module tree {


/** This is the editable version of the XTreeDataModel.

    <p>Note that only XTreeNode created from the same instance with createNode()
    are valid nodes for this instance.</p>
 */
interface XMutableTreeDataModel : XTreeDataModel
{
    /** creates a new tree node with the given value and given settings.

        @param DisplayValue
            should be convertible to a string and is used by the XTreeControl
            as a textual representation of the created node.

        @param ChildrenOnDemand
            if `TRUE` is used as a parameter, the created node will be treated as a non-leaf
            node by the XTreeControl, even when it has no child nodes.

        @returns
            a new XMutableTreeNode that can be used for this model.

        @see XTreeNode::getDisplayValue()
        @see XTreeNode::hasChildrenOnDemand()
    */
    XMutableTreeNode createNode( [in] any DisplayValue, [in] boolean ChildrenOnDemand );

    /** changes the root node of this model to <var>RootNode</var>.

        @param RootNode
            the XMutableTreeNode that becomes the new root node of this model.

        @throws ::com::sun::star::lang::IllegalArgumentException
            if <var>RootNode</var> is not a valid node of this XTreeDataModel.
    */
    void setRoot( [in] XMutableTreeNode RootNode )
        raises( ::com::sun::star::lang::IllegalArgumentException );
};


}; }; }; }; };

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