public void SetVariable(IVariable variable)
{
if (variable == null)
{
throw new MathException("variable cannot be null");
}
var = variable;
if (variable is MathNode)
{
root = ((MathNode)variable).root;
}
if (root == null)
{
//create a root for drawing the variable
root = new MathNodeRoot();
if (var is MathNode)
{
root[0] = (MathNode)var;
((MathNode)var).IsFocused = false;
}
else
{
}
root.SetFont(this.Font);
}
}
protected void ReadVariable(XmlNode node)
{
MathNodeVariable v = Variable as MathNodeVariable;
MathNodeRoot r = v.Parent as MathNodeRoot;
XmlNode nd = node.SelectSingleNode("Font");
if (nd != null)
{
object v0;
if (XmlSerialization.ReadValue(nd, out v0))
{
if (v0 != null)
{
r.SetFont((Font)v0);
}
}
}
nd = node.SelectSingleNode("Var");
if (nd != null)
{
v.Load(nd);
}
v.VariableName = this.Name;
}
public void SetTextFont(Font f)
{
root.SetFont(f);
}
