1. How to create a Memory DC
2. How to BitBlt a PictureBox to the Memory DC
3. How to Flip the Memory DC onto the PictureBox while
dragging a line across the PictureBox.
It is used in place of XOR or Invert for dragging lines in order to retain the
line color while dragging
Last edited by dw85745; Feb 22nd, 2005 at 07:23 PM.