private void toolStripButtonNet_Click(object sender, EventArgs e) { if(toolStripButtonNet.Checked == true) { spriteNet = new Sprite(); for(int x = stepNet; x < picture.Size.Width; x += stepNet) { spriteNet.AddFigure(new MyLine(currPens, x, 0, 0, picture.Size.Height)); } for (int y = stepNet; y < picture.Size.Height; y += stepNet) { spriteNet.AddFigure(new MyLine(currPens, 0, y, picture.Size.Width, 0)); } } graph.Clear(); RefreshBitMap(); }