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2.2.3.16.2 Tree::Load

Contents

Description

Gets a tree from an XML file.

Only support the XML file saved in Origin, see Tree::Save.

Syntax

BOOL Load( LPCSTR File, int nType = 0 )

Parameters

File
[input] file name
nType
[input] unuseful argument.

Return

TRUE if the tree can be created; FALSE otherwise

Examples

EX1 

void Tree_Load_ex1()
{
	Tree tr;						//Create a tree
	TreeNode tn1 = tr.AddNode("Root");
	tn1.AddTextNode("abc", "SubNode1");
	tn1.AddTextNode("efg", "SubNode2");

	tr.Save("c:\\myTree.xml");		//Save the tree

	if( tr.Load("c:\\myTree.xml") )	//Load the tree
	{
		printf("------Output total tree------\n");
		out_tree(tr); 				// output the tree

		// access tree nodes
		TreeNode tnRoot = tr.GetNode("Root");
		if(tnRoot)
		{
			TreeNode tn1 = tnRoot.GetNode("SubNode1");
			out_str("The string value of the first node: " + tn1.strVal);

			TreeNode tn2 = tnRoot.GetNode("SubNode2");
			out_str("The string value of the second node: " + tn2.strVal);
		}
	}
	else
		out_str("File not existed or this XML format not support");

}

Remark

See Also

Tree::Save

Header to Include

origin.h