DrawGraph
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## DrawGraph

DrawGraph — Draw the current graph onto the image

## Synopsis

    $plot->DrawGraph()

## Description

`DrawGraph` actually draws the current graph onto the image. That is, until DrawGraph is used, nothing happens except the recording of settings and data. DrawGraph also outputs the image with PrintImage, unless SetPrintImage was used.

## Parameters

None

## Notes

After using `DrawGraph` and automatic or subsequent output of the image, the PHPlot object should not be reused.

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