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isKeyboardEnabled Property

Summary

Indicates whether to enable panning and zooming with the keyboard.

Syntax

TypeScript

JavaScript

Object.defineProperty(ImageViewerPanZoomInteractiveMode.prototype, 'isKeyboardEnabled', 
	get: function(), 
	set: function(value) 
)

isKeyboardEnabled: boolean;

true to enable panning and zooming with the keyboard, otherwise; false. Default value is true.

Remarks

This value is used only when the platform has keyboard support.

When the value of IsKeyboardEnabled is true, then the viewer will pan and zoom using the following keys:

If the ZoomKeyModifier is pressed, zooms the viewer out.

Otherwise, pans the viewer one line down (or one page if PageKeyModifier is pressed).

Key	Description
Up	If the ZoomKeyModifier is pressed, zooms the viewer in. Otherwise, pans the viewer one line up (or one page if PageKeyModifier is pressed).
Down
Left	Pans the viewer one line to the left (or one page if PageKeyModifier is pressed).
Right	Pans the viewer one line to the right (or one page if PageKeyModifier is pressed).
PageUp	Pans the viewer one page up.
PageDown	Pans the viewer one page down.
Home	Pans the viewer to the minimum allowed value (top-left).
End	Pans the viewer to the maximum allowed value (bottom-right).