Leadtools.Controls Namespace > Classes > ImageViewerSpyGlassInteractiveMode > Methods > onDrawImage Method
onDrawImage Method (ImageViewerSpyGlassInteractiveMode)
Summary
Raises the DrawImage event.
Syntax
JavaScript Syntax
ImageViewerSpyGlassInteractiveMode.prototype.onDrawImage = function(e)TypeScript Syntax
onDrawImage(e: ImageViewerSpyGlassDrawImageEventArgs): void; // protectedParameters
e
Event data
Remarks
Raising an event invokes the event handler through a function. The OnDrawImage method also allows derived classes to handle the event without attaching a function to the event. This is the preferred technique for handling the event in a derived class.
**Note to Inheritors: **When overriding OnDrawImage in a derived class, be sure to call the base class's OnDrawImage method so that registered delegates receive the event.
Requirements
See Also
Reference
ImageViewerSpyGlassInteractiveMode Class
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Controls Assembly
