The Trend_Intensity_Index indicator with the ability to change the indicator timeframe using the input parameters:

input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4; // The indicator chart period (timeframe)

For the indicator to operate, the Trend_Intensity_Index.ex5 indicator must be added to the <terminal_data_directory>\MQL5\Indicators folder.

Fig. 1. The Trend_Intensity_Index_HTF indicator