checkKeyModifier Method

Summary

Determines if the specified key modifier is currently in a pressed state.

Syntax
TypeScript
JavaScript
checkKeyModifier = function( 
   e, 
   key 
) 
static checkKeyModifier( 
   e: Event, 
   key: Keys 
): boolean; 

Parameters

e

The native element event.

key

Key to check.

Return Value

true if the modifier specified by key is currently in a pressed state, otherwise; false.

Remarks

This method is used by the various ImageViewerInteractiveMode instances that support a key modifier. For example, holding down CTRL while dragging the mouse in ImageViewerPanZoomInteractiveMode will perform a zoom operation instead of a pan. The interactive mode will call this method to determine the status of the CTRL modifier.

Requirements

Target Platforms

Help Version 22.0.2021.9.24
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Leadtools.Controls Assembly
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© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.