WPR_Histogram_Vol indicator with the timeframe selection option available in input parameters:
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4; // Indicator chart period (timeframe)
For the indicator to operate, the WPR_Histogram_Vol.ex5 indicator should be added to the <terminal_data_directory>MQL5Indicators folder.
Fig. 1. WPR_Histogram_Vol_HTF