void PopulateGraph(string strGraphDesc, int nUpCount, int nDownCount)
{
reqTraceGraphDot = new ReqTraceGraphDot(strGraphDesc);
ReqTraceNode reqTraceNode;
tabPageTree.Controls.Clear();
arrTraceGraphNode.Clear();
ReqTraceUIGraphNode.Init(tabPageTree.Controls, this as ReqTraceUIGraphNode.ITraceViewGraphCb);
for (int i = nUpCount; i >= -nDownCount; i--)
{
for (int k = 0; k < reqTraceGrid.GetElementCount(i); k++)
{
reqTraceNode = reqTraceGrid[i, k];
if (reqTraceNode != null)
{
arrTraceGraphNode.Add(new ReqTraceUIGraphNode(nUpCount, reqTraceNode));
reqTraceGraphDot.Add(new ReqTraceDotNode(nUpCount, reqTraceNode));
}
}
}
webBrowserReqTraceGraph.Url = new Uri(reqTraceGraphDot.Export2svg());
}
void tb_MouseEnter(object sender, EventArgs e)
{
actNode = this;
}