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AutoResetOptions Property (ImageViewer)
Summary
Determines which display properties to reset when a new image is set into the viewer (single item mode).
Syntax
public virtual ImageViewerAutoResetOptions AutoResetOptions { get; set; } Public Overridable Property AutoResetOptions() As ImageViewerAutoResetOptionsGetSet
public:virtual property ImageViewerAutoResetOptions^ AutoResetOptions{ImageViewerAutoResetOptions^ get()void set(ImageViewerAutoResetOptions^ value)}
Property Value
Value that determines which display properties to reset when a new image is set into the viewer (single item mode). Default value is ImageViewerAutoResetOptions.All.
Remarks
Use this property to control which of the display properties of the controls resets back to its default value when a new image is set into the ImageUrl, Image or SvgDocument properties or when the user changes ImageSize directly.
The viewer will call Reset to perform the resetting of the values.
Example
Run the demo and click the Example button. The image will be zoomed (its scale factor and scroll offset will be changed) to a certain value. Then the viewer will use AutoResetOptions to not change these values when a new image is set.
Start with the ImageViewer example, remove all the code inside the example function (search for the "// TODO: add example code here" comment) and insert the following code:
C#
VB
using Leadtools;using Leadtools.Controls;using Leadtools.Codecs;using Leadtools.Drawing;using LeadtoolsExamples.Common;using Leadtools.ImageProcessing;using Leadtools.ImageProcessing.Color;public void ImageViewerAutoResetOptions_Example(RasterImage image){ImageViewerAutoResetOptions options = _imageViewer.AutoResetOptions; // save_imageViewer.AutoResetOptions = ImageViewerAutoResetOptions.None;_imageViewer.Image = image;_imageViewer.AutoResetOptions = options;}
Imports LeadtoolsImports Leadtools.ControlsImports Leadtools.CodecsImports Leadtools.DrawingImports Leadtools.ImageProcessingImports Leadtools.ImageProcessing.ColorImports LeadtoolsControlsExamples.LeadtoolsExamples.CommonPublic Sub ImageViewerAutoResetOptions_Example(ByVal image As RasterImage)Dim options As ImageViewerAutoResetOptions = _imageViewer.AutoResetOptions ' save_imageViewer.AutoResetOptions = ImageViewerAutoResetOptions.None_imageViewer.Image = image_imageViewer.AutoResetOptions = optionsEnd Sub
Requirements
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