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MQL5 ReferenceStandard LibraryScientific ChartsCCurveHistogramWidth 

HistogramWidth (Get method)

Returns the width of columns when plotting using a histogram.

int  HistogramWidth()

Return Value

Column width in pixels.

HistogramWidth (Set method)

Sets the width of columns when plotting using a histogram.

void  HistogramWidth(
   const int  width      // column width 
   )

Parameters

width

[in]  Column width in pixels.