private void DelayAdjust()
		{
			System.Int64 frequ = 0;
			if (QueryPerformanceFrequency(ref frequ) != 0)
			{
 
				dt.AllocateFrames(8);
				refTick=System.Environment.TickCount;
 
				System.Int64 count1 = 0;
				System.Int64 count2 = 0;			
				if (QueryPerformanceCounter(ref count1) != 0)
				{
 
					for(int i = 0; i<8; i++)
					{
						curTick=System.Environment.TickCount;			//int t       
						this.Times.Add(System.DateTime.Now);
 
						if (!dt.AcquireFrame(TotalFramesAcquired++)) 
						{
							TotalFramesAcquired--;
						}		
						decimal oops = (curTick-refTick)/((TotalFramesAcquired + missed) *frameDelay); //formerly decimal oops
						ticks.Add(curTick);
 
						if (oops > 1m) 
						{
							missed+= Convert.ToInt32(Math.Round(oops,0));					
						}
						Application.DoEvents();
						this.pbarCapture.Value=TotalFramesAcquired;
					}
					QueryPerformanceCounter(ref count2);
					//System.Int64 time_ms = (count2 - count1) * 1000 /(8* frequ);   
					offset= Convert.ToInt32((count2 - count1) * 1000 /(8* frequ));   
					this.lPerformance.Text="Delay(in ms): " +offset.ToString();//time_ms.ToString();
				}
				else
				{
					this.lPerformance.Text="Using preset delays";
				}
			}
			else
				this.lPerformance.Text="Using preset delays";
 
            dt.AllocateFrames(3);
			ticks.Clear();
			Times.Clear();
			TotalFramesAcquired = 0;
			missed = 0;
			this.pbarCapture.Value=TotalFramesAcquired;
 
		}