Blt_TreeGetNode(3) Finds the node from the ID.

SYNOPSIS

#include <bltTree.h>



Blt_TreeNode
Blt_TreeGetNode(tree, number)

ARGUMENTS

Blt_Tree    tree    (in)
Tree containing the requested node.
unsigned int    number    (in)
Serial number of the requested node.


DESCRIPTION

This procedure returns a node in a tree object based upon a give serial number. The node is searched using the serial number.

The arguments are as follows:

tree
The tree containing the requested node.
number
The serial number of the requested node.

RETURNS

The node represented by the given serial number is returned. If no node with that ID exists in tree then NULL is returned.

EXAMPLE

The following example gets the node from a serial number.

unsigned int number;
Blt_TreeNode node;
Blt_TreeToken token;
...
node = Blt_TreeGetNode(token, number);
if (node == NULL) {
    printf("no node with ID %d exists\n", number);
} else {
    printf("node found: label is %s\n", Blt_TreeNodeLabel(node));
}

KEYWORDS

Tcl_TreeCreateNode, Tcl_TreeDeleteNode