Activate(WpfImageViewer) Method (WpfTextOverlay)

Syntax Exceptions Requirements SeeAlso

In This Topic

In This Topic

Acivates this instance on the specified viewer.

Syntax

'Declaration

Public Overridable Sub Activate( _
   ByVal viewerThe viewer.
 As Vintasoft.Imaging.Wpf.UI.WpfImageViewer _
)

public virtual void Activate(
   Vintasoft.Imaging.Wpf.UI.WpfImageViewer viewer
)

public: virtual void Activate(
   Vintasoft.Imaging.Wpf.UI.WpfImageViewer* viewer
)

public:
virtual void Activate(
   Vintasoft.Imaging.Wpf.UI.WpfImageViewer^ viewer
)

Exceptions

Exception	Description
System.ArgumentNullException	Thrown if viewer is null.
System.InvalidOperationException	Thrown if the text overlay is activated already.

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

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