private void löschenToolStripMenuItem_Click(object sender, EventArgs e)
{
string name = treeMain.SelectedNode.Text;
string typeOfObject = getTypeOfNode(treeMain.SelectedNode);
if (typeOfObject.Equals("interpret"))
{
Interpret i = new Interpret(name, "", "");
i.delete(name);
}
else if (typeOfObject.Equals("album"))
{
Album a = new Album(name, "", "", "", "");
a.delete(name);
}
prepareTree();
}
