/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
var point = new Point(e.X, e.Y);
int n = GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n; i++)
{
if (GraphicsList[i].HitTest(point) == 0)
{
o = GraphicsList[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
_bringToFrontToolStripMenuItem.Enabled = true;
_sendToBackToolStripMenuItem.Enabled = true;
_cutToolStripMenuItem.Enabled = true;
_copyToolStripMenuItem.Enabled = true;
_deleteToolStripMenuItem.Enabled = true;
}
else
{
_bringToFrontToolStripMenuItem.Enabled = false;
_sendToBackToolStripMenuItem.Enabled = false;
_cutToolStripMenuItem.Enabled = false;
_copyToolStripMenuItem.Enabled = false;
_deleteToolStripMenuItem.Enabled = false;
GraphicsList.UnselectAll();
}
_pasteToolStripMenuItem.Enabled = GraphicsList.AreItemsInMemory();
_contextMenuStrip.Show(MousePosition);
Refresh();
}
