CanStartWork Method

 function Leadtools.Controls.ImageViewerInteractiveMode.canStartWork( 
   e 
)

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Parameters

Parameter	Type	Description
e	InteractiveEventArgs

The mode can start work depending on multiple factors:

• Whether the current pressed mouse button is the one associated with this mode.

• If the user clicks on the background of the viewer not covered by the image (depending on the WorkOnImageRectangle value).

• If the user added an HTML element on top of the viewer and whether this element has been added to the InteractiveService.UserElements collection.

To help with all the above, derived classes can use CanStartWork to check if all the conditions are met and then starts the work.

Note on mouse wheel events: If the current image viewer has a an interactive mode for handling mouse wheel events set in MouseWheelInteractiveMode then in addition to the factors listed above, this method will return true only if the caller is this mode. If the viewer however does not have a mode for handling mouse wheel events (MouseWheelInteractiveMode is null), then this method will return true if the caller is the default mouse or touch interactive mode.

For an example, refer to ImageViewerInteractiveMode.

Reference

ImageViewerInteractiveMode Object
ImageViewerInteractiveMode Members