c# - get treenode under cursor -

basically have treeview populated numerous image files. trying make nodemousehover event bring little preview of image. need find out node mouse over, cannot work, unable find tree node @ cursor position.

here simplified version code

    private void treebroswer_nodemousehover(object sender, treenodemousehovereventargs e)     {         string filepath;         picturebox preview;          treenode test = treebroswer.getnodeat(cursor.position.x, cursor.position.y);         //also tried mouseposition.x,mouseposition.y          if (test == null)         {             messagebox.show("no tree node");         }         else         {             filepath = test.fullpath;             preview = new picturebox();             preview.imagelocation = @filepath;             // display preview         }     } 

it fails tree node no matter mouse is. not sure if getting mouse position wrong or i'm using getnodeat wrong, or both.

the parameter event - treenodemousehovereventargs - has information need.

just reference e.node see node mouse hovering over. if you're not hovering on node, event won't fire, no need check null.

private void treebroswer_nodemousehover(object sender, treenodemousehovereventargs e) {     var preview = new picturebox { imagelocation = e.node.fullpath };     // display preview }