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#ifndef __com_sun_star_awt_tree_XMutableTreeDataModel_idl__ 
#define __com_sun_star_awt_tree_XMutableTreeDataModel_idl__ 

#ifndef __com_sun_star_awt_tree_XTreeDataModel_idl__ 
#include <com/sun/star/awt/tree/XTreeDataModel.idl>
#endif

#ifndef __com_sun_star_awt_tree_XMutableTreeNode_idl__ 
#include <com/sun/star/awt/tree/XMutableTreeNode.idl>
#endif

//============================================================================= 
 
module com {  module sun {  module star {  module awt {  module tree {
 
//============================================================================= 
 
/** This is the editable version of the <type>XTreeDataModel</type>.

    <p>Note that only <type>XTreeNode</type> created from the same instance with <member>createNode</member>
    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 <type>XTreeControl</type>
            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 <type>XTreeControl</type>, even when it has no child nodes.

        @returns
            a new <type>XMutableTreeNode</type> 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 <type>XMutableTreeNode</type> 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 <type>XTreeDataModel</type>.
    */
    void setRoot( [in] XMutableTreeNode RootNode )
        raises( ::com::sun::star::lang::IllegalArgumentException );
};
 
//============================================================================= 
 
}; }; }; }; };
 
#endif 
