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How to: Change the Measurement System Exposed in the Print Preview

This example illustrates how to set the system of measurement exposed by the tooltips in a print preview that is shown when manually resizing a document’s margins.

The following methods toggle the measurement system from imperial to metric and vice versa, by switching the DocumentViewerBase.IsMetric property.

private void SetMillimeterMeasurement() {
    documentViewer1.IsMetric = true;

private void SetInchMeasurement() {
    documentViewer1.IsMetric = false;


A complete sample project is available in the DevExpress Code Examples database at

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