Leadtools.Controls Namespace > Classes > ImageViewer > Properties > eraseBackgroundOnInvalidate Property
eraseBackgroundOnInvalidate Property (ImageViewer)
Summary
Indicates whether the ImageViewer will clear the foreground canvas prior to rendering.
Syntax
JavaScript Syntax
Object.defineProperty(ImageViewer.prototype, 'eraseBackgroundOnInvalidate',get: function(),set: function(value))
TypeScript Syntax
eraseBackgroundOnInvalidate: boolean;Property Value
true to clear the foreground canvas prior to rendering; otherwise, it is false. Default value is true.
Remarks
Changing the value of this property will fire the PropertyChanged event and calls the Invalidate method.
For more information, refer to Image Viewer Rendering.
The EraseBackground event will always occur during rendering regardless of the value of EraseBackgroundOnInvalidate.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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