private Graphics m_panelGraphics; private Bitmap m_pointBmpBlack; private void panel_Dessin_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { m_panelGraphics = panel_Dessin.CreateGraphics(); } private void panel_Dessin_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { m_panelGraphics.Dispose(); m_panelGraphics = null; } private void panel_Dessin_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { if ( e.Button == MouseButtons.Left ) { m_panelGraphics.DrawImageUnscaled(m_pointBmpBlack, e.X, e.Y); } }
m_pointBmpBlack = new Bitmap(1,1); m_pointBmpBlack.SetPixel(0,0,Color.Black);
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