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DocumentViewer.IncreaseZoom Method

Zooms in on the document content by one zoom step.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public void IncreaseZoom()

The following are the zoom level increments.

   5%   100%   1200%

  10%   125%   1600%

  25%   150%   2000%

  33%   175%   2400%

  50%   200%   3200%

  66%   300%   4000%

  75%   400%   5000%

        800%

The maximum zoom value is 5000%. After the maximum zoom level is reached, IncreaseZoom has no more effect.

The CanIncreaseZoom property returns false when the maximum zoom level is reached.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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