private void ZonaScris_MouseMove(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { current = e.Location; graph.DrawLine(p, old, current); old = current; ZonaScris.Invalidate(); } }
public Form1() { InitializeComponent(); ChangeCursor(); g = ZonaScris.CreateGraphics(); btm = new Bitmap(ZonaScris.Width, ZonaScris.Height); graph = Graphics.FromImage(btm); ZonaScris.BackgroundImage = btm; ZonaScris.BackgroundImageLayout = ImageLayout.Stretch; graph.Clear(Color.White); }