VWAP intraday

Nice indicator for shorter time frame charts! Please correct me if I am wrong, but I assume this indicator will be exact only on a tic-by-tic chart? I.e. the assumption is that the volume inside the bar is done on average at TypicalPrice, which may be close to reality or not. The larger the bar-range, the larger the scope for error. If I am correct one should avoid using this indicator on larger time-frame charts, as the result could lead to wrong conclusions. 

Thanks for quick response! I am well aware of the importance of VWAP and also VPOC (I have not yet seen an indicator for this) for short term price movements in the market, hence my interest in the subject. I agree that the volume compounded is the same irrespective of timeframe, but I am not sure about price. If you take for example a 5m bar with High 105, Low 95 and Close 100 will result in TypicalPrice of 100. The way I understand the VWAPindicator, it will calculate VWAP for this bar alone to 100. But lets suppose you compare these 5 minutes to lower timeframe, for example the five 1min bars that constitute the single 5min bar with TypicalPrice 100. Let’s assume TypicalPrice for the first 1min bar is 96 and (in this extreme example) 100% of the volume in the 5m bar was transacted the first 1min (ie 0 volume in the remaining four 1min bars). The vwap for the five 1min bars together will be 96, but vwap for the 5min bar would still be 100. In other words, the larger you go on timeframes, the more likely it is that TypicalPrice is not equal to actual traded price. As long as you are on 1m timeframes, you will likely be reasonably accurate in your assumption that TypicalPrice cooresponds to actual traded price. As soon as you go to longer timeframes it will by definition become less accurate.
Or is there something I am missing or have misunderstood?