private void btnCopy_Click(object sender, System.EventArgs e)
{
IXCTileset it = getCurrset();
images = new string[((XCMapDesc)it[treeMaps.SelectedNode.Text]).Dependencies.Length];
for(int i=0;i<((XCMapDesc)it[treeMaps.SelectedNode.Text]).Dependencies.Length;i++)
images[i]=((XCMapDesc)it[treeMaps.SelectedNode.Text]).Dependencies[i];
}