//Updates the Form's display using API calls public void UpdateFormDisplay(Image backgroundImage) { IntPtr screenDc = API.GetDC(IntPtr.Zero); IntPtr memDc = API.CreateCompatibleDC(screenDc); IntPtr hBitmap = IntPtr.Zero; IntPtr oldBitmap = IntPtr.Zero; try { //Display-image Bitmap bmp = new Bitmap(backgroundImage); hBitmap = bmp.GetHbitmap(Color.FromArgb(0)); //Set the fact that background is transparent oldBitmap = API.SelectObject(memDc, hBitmap); //Display-rectangle Size size = bmp.Size; Point pointSource = new Point(0, 0); Point topPos = new Point(this.Left, this.Top); //Set up blending options API.BLENDFUNCTION blend = new API.BLENDFUNCTION(); blend.BlendOp = API.AC_SRC_OVER; blend.BlendFlags = 0; blend.SourceConstantAlpha = 255; blend.AlphaFormat = API.AC_SRC_ALPHA; API.UpdateLayeredWindow(this.Handle, screenDc, ref topPos, ref size, memDc, ref pointSource, 0, ref blend, API.ULW_ALPHA); //Clean-up bmp.Dispose(); API.ReleaseDC(IntPtr.Zero, screenDc); if (hBitmap != IntPtr.Zero) { API.SelectObject(memDc, oldBitmap); API.DeleteObject(hBitmap); } API.DeleteDC(memDc); } catch (Exception) { } }
//Updates the Form's display using API calls public void UpdateFormDisplay(Image backgroundImage) { IntPtr screenDc = API.GetDC(IntPtr.Zero); IntPtr memDc = API.CreateCompatibleDC(screenDc); IntPtr hBitmap; IntPtr oldBitmap; try { //Display-image Bitmap bmp = new Bitmap(backgroundImage); Graphics g = Graphics.FromImage(bmp); g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit; var brushc = new System.Drawing.SolidBrush(Color.FromArgb(255, 255, 255, 255)); if (counter != 0) { List <string> temp = Currentcountdown(); double timeleft = Int32.Parse(temp[0]); if (temp[2] == "End") { counter = 0; } string hours; string minutes; string seconds; if (Math.Floor(timeleft / 3600) < 10) { hours = "0" + (Math.Floor(timeleft / 3600)); timeleft %= 3600; } else { hours = (Math.Floor(timeleft / 3600)).ToString(); timeleft %= 3600; } if (Math.Floor(timeleft / 60) < 10) { minutes = "0" + (Math.Floor(timeleft / 60)); } else { minutes = (Math.Floor(timeleft / 60)).ToString(); } if (Math.Floor(timeleft % 60) < 10) { seconds = "0" + (timeleft % 60); } else { seconds = (timeleft % 60).ToString(); } g.DrawString(hours + ":" + minutes + ":" + seconds, new Font("Trebuchet MS", 18 * dx), brushc, 10, 40); g.DrawString( Program.TimetableList.ContainsKey(Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)) ? Program.TimetableList[Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)].Room : "", new Font("Trebuchet MS", 18 * dx), brushc, 140, 40); string label = temp[2]; if ((temp[2].StartsWith("Period") || temp[2].StartsWith("Form")) && Program.TimetableList.ContainsKey(Program.curDay + "" + temp[2].Substring(temp[2].Length - 1))) { label = Program.TimetableList[Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)] .ClassDescription.Length > 12 ? Program.TimetableList[Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)] .ClassCode : Program.TimetableList[Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)] .ClassDescription; } if (temp[2].StartsWith("Go to") && Program.TimetableList.ContainsKey(Program.curDay + "" + temp[2].Substring(temp[2].Length - 1))) { label = "Go to " + Program .TimetableList[Program.curDay + "" + temp[2].Substring(temp[2].Length - 1)] .ClassCode; } g.DrawString(label, new Font("Trebuchet MS", 14 * dx), brushc, 10, 2); StringFormat stringFormat = new StringFormat(); stringFormat.FormatFlags = StringFormatFlags.DirectionVertical; g.RotateTransform(-90); string k = "Day " + Program.curDay; g.DrawString(k, new Font("Trebuchet MS", 8 * dx), brushc, -63, 2); stringFormat.Dispose(); } hBitmap = bmp.GetHbitmap(Color.FromArgb(0)); //Set the fact that background is transparent oldBitmap = API.SelectObject(memDc, hBitmap); //Display-rectangle Size size = bmp.Size; Point pointSource = new Point(0, 0); Point topPos = new Point(Left, Top); //Set up blending options API.BLENDFUNCTION blend = new API.BLENDFUNCTION(); blend.BlendOp = API.AC_SRC_OVER; blend.BlendFlags = 0; blend.SourceConstantAlpha = Convert.ToByte(counter); blend.AlphaFormat = API.AC_SRC_ALPHA; API.UpdateLayeredWindow(Handle, screenDc, ref topPos, ref size, memDc, ref pointSource, 0, ref blend, API.ULW_ALPHA); //Clean-up brushc.Dispose(); g.Dispose(); bmp.Dispose(); API.ReleaseDC(IntPtr.Zero, screenDc); if (hBitmap != IntPtr.Zero) { API.SelectObject(memDc, oldBitmap); API.DeleteObject(hBitmap); } API.DeleteDC(memDc); } catch (Exception) { // ignored } }