Printing:PNG Compression Level Property

LabVIEW 2018 Help

Edition Date: March 2018
Part Number: 371361R-01
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Short Name: Pr.PNGCmpLvl

Requires: Base Development System

Class: Application Properties

To Use: Create a property.

Number between 0 and 9 that specifies the level of compression you want for the PNG file for graphics in VIs printed either interactively or with the Print:VI To HTML method. The quality of the graphic is not affected by the compression, but the graphic file size and speed of compression are affected by this value. Valid values range from 0 to 9 and balance file compression with speed. 0 designates no compression. 1 designates less compression, but faster speed. 9 designates high compression, but slower speed. If you enter –1, LabVIEW selects the best combination of speed and compression.


The following table lists the characteristics of this property.

Data type
Available in Run-Time EngineNo
Available in Real-Time Operating SystemNo
Remote access allowedYes


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