protected override void WndProc(ref Message m) { switch (m.Msg) { case All.Class.Api.WM_PAINT: if (!drawing) { All.Class.Api.PAINTSTRUCT ps = new All.Class.Api.PAINTSTRUCT(); drawing = true; All.Class.Api.BeginPaint(m.HWnd, ref ps); this.PaintBack(); using (Graphics g = Graphics.FromHwnd(m.HWnd)) { g.DrawImageUnscaled(backImage, 0, 0); } All.Class.Api.EndPaint(m.HWnd, ref ps); drawing = false; m.Result = All.Class.Api.True; } else { base.WndProc(ref m); } break; default: base.WndProc(ref m); break; } }
protected override void WndProc(ref System.Windows.Forms.Message m) { switch (m.Msg) { case All.Class.Api.WM_PAINT: case All.Class.Api.WM_CTLCOLOREDIT: if (!drawing) { drawing = true; All.Class.Api.PAINTSTRUCT ps = new All.Class.Api.PAINTSTRUCT(); All.Class.Api.BeginPaint(m.HWnd, ref ps); this.WmPaint(ref m); All.Class.Api.EndPaint(m.HWnd, ref ps); m.Result = All.Class.Api.True; drawing = false; } else { base.WndProc(ref m); } break; default: base.WndProc(ref m); break; } }