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2.2.3.17.36 TreeNode::SetAttribute

Contents

Version

Minimum Origin Version Required: Origin 9.0 

BOOL SetAttribute( LPCSTR lpcszAttrName, __int64 nVal )
BOOL SetAttribute( LPCSTR lpcszAttrName, void *pVal)

Minimum Origin Version Required: Origin 9.2 Beta1 

BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<int>& vnVals)

Minimum Origin Version Required: Origin 9.4 

BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<double>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<float>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<short>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<char>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<string>& vals)

Description

Sets the integer value of a node.

Sets the 64-bit integer value of a node.

Sets the void pointer value of a node.

Sets the double value of a node.

Sets the string attribute of the node.

Sets the integer vector value of a node.

Sets the double vector value of a node.

Sets the float vector value of a node.

Sets the short vector value of a node.

Sets the char vector value of a node.

Sets the string vector value of a node.

Syntax

BOOL SetAttribute( LPCSTR lpcszAttrName, int nVal )
BOOL SetAttribute( LPCSTR lpcszAttrName, __int64 nVal )
BOOL SetAttribute( LPCSTR lpcszAttrName, void *pVal)
BOOL SetAttribute( LPCSTR lpcszAttrName, double dVal )
BOOL SetAttribute( LPCSTR lpcszAttrName, LPCSTR strVal )
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<int>& vnVals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<double>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<float>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<short>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<char>& vals)
BOOL SetAttribute(LPCSTR lpcszAttrName, const vector<string>& vals)

Parameters

lpcszAttrName
[input] name of the node
nVal
[input] contains the integer value to be set into the node.
lpcszAttrName
[input] name of the node
nVal
[input] contains the 64-bit integer value to be set into the node.
lpcszAttrName
[input] name of the node
pVal
[input] contains the void pointer value to be set into the node.
lpcszAttrName
[input]name of the node
dVal
[input] contains the double value to be set into the node.
lpcszAttrName
[input]name of the node
strVal
[input] contains the string value to be set into the node.
lpcszAttrName
[input]name of the node
vnVals
[input] contains the integer vector value to be set into the node.
lpcszAttrName
[input]name of the node
vVals
[input] contains the double vector value to be set into the node.
lpcszAttrName
[input]name of the node
vVals
[input] contains the float vector value to be set into the node.
lpcszAttrName
[input]name of the node
vVals
[input] contains the short vector value to be set into the node.
lpcszAttrName
[input]name of the node
vVals
[input] contains the char vector value to be set into the node.
lpcszAttrName
[input]name of the node
vVals
[input] contains the stirng vector value to be set into the node.

Return

True if the node is found; FALSE otherwise

Examples

EX1 

// Sets the integer value of a node 
void TreeNode_SetAttribute_ex1()
{	
	Tree myTree;
	TreeNode tn = myTree.AddTextNode("abc", "node1", 2); // add a node
	
	// add NodeID attribute
	tn.SetAttribute("NodeID", 5); 
	
	// get NodeID attribute
	int nVal;
	bool flag = tn.GetAttribute("NodeID", nVal);
	if( flag)
		printf("the NodeID attribute of node1 is %d", nVal);
	else
		printf("error, fail to find NodeID attribute");
}


EX2 

// Sets the double value of a node. 
void TreeNode_SetAttribute_ex2()
{
	Tree myTree;	
	TreeNode tn = myTree.AddNode("abc");
		
	tn.SetAttribute("Value", 5.345);
	
	double dVal;
	bool flag = tn.GetAttribute("Value", dVal);
	if( flag )
		printf("Value attribute of abc node is %f", dVal);
	else
		printf("error, fail to find Value attribute");
}


EX3 

//Sets the string attribute of the node. 
void TreeNode_SetAttribute_ex3()
{
	Tree myTree;
	TreeNode tn = myTree.AddNode("abc");
	
	tn.SetAttribute("Label", "xyz");
	
	string strVal;
	bool flag = tn.GetAttribute("Label", strVal);
	if( flag )
		printf("the string value of Label attribute is %s", strVal);
	else
		printf("error, fail to find Label attribute");		
}

EX4 

// Sets the vector value of a node. 
void TreeNode_SetAttribute_ex4()
{
    Tree tr;
    TreeNode tn1 = tr.AddNode("node1",1);
    out_tree(tr);
    
    vector<int> vnVals = {1, 2, 3};
    tn1.SetAttribute("node1", vnVals);
    
    vector<int> vnVals2;
    if(tn1.GetAttribute("node1", vnVals2))
    {
    	for(int nn = 0; nn < vnVals2.GetSize(); nn++)
    	{
    		printf("The value is %d\n", vnVals2[nn]);
    	}
    }
    
    vector<string> vdVals = {"one", "tow", "three"};
    tn1.SetAttribute("node2", vdVals);
    
    vector<string> vdVals2;
    if(tn1.GetAttribute("node2", vdVals2))
    {
    	for(int nn = 0; nn < vdVals2.GetSize(); nn++)
    	{
    		printf("The value is %s\n", vdVals2[nn]);
    	}
    }
}

Remark

See Also

TreeNode::GetAttribute

Header to Include

origin.h