//***************************************************************************
// Private Methods
//
private void Init()
{
this._state = RenderState.InitializingDevice;
try
{
this._devCtx = Unmanaged.DeviceContext.GetWindow(this._hwnd);
this._gfx = this._devCtx.GetGraphics();
this._gfx.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
this._gfx.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
this._gfx.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bilinear;
this._gfx.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
this._gfx.Clear(this._bgColor);
this._bounds = Unmanaged.Win32.GetWindowRect(this._hwnd);
this.yCenter = this._bounds.Height / 2;
this.xCenter = this._bounds.Width / 2;
this._scrnSize = (int)((System.Math.Min(this._bounds.Height, this._bounds.Width) / 2) * 0.9);
this._drawThread = new Thread(new ThreadStart(this.DrawingThreadWorker));
this._drawThread.IsBackground = true;
// We need to sleep this thread until the preview window is visible.
DateTime dtWaitStart = DateTime.Now;
while (Unmanaged.Win32.IsWindowVisible(this._hwnd) == false)
{
Thread.CurrentThread.Join(200);
if (DateTime.Now.Subtract(dtWaitStart).TotalSeconds > 15)
{
break;
}
}
if (!Unmanaged.Win32.IsWindowVisible(this._hwnd))
{
throw new Exception("Timeout period reached, waiting for window to become visible.");
}
this.ResetVars();
this._state = RenderState.Ready;
}
catch (Exception ex)
{
this.OnException(new ExceptionEventArgs(ex));
this._state = RenderState.RenderError;
}
}
protected virtual void Dispose(bool disposing)
{
if (this._disposed)
{
return;
}
if (disposing)
{
if (this._shuttingDown)
{
this.Stop();
}
this._gfx.Dispose();
this._devCtx.Dispose();
}
this._drawThread = null;
this._gfx = null;
this._devCtx = null;
this._disposed = true;
}
