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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()
You cannot use methods in XAML.

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%


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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0