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CheckKeyModifier Method

Summary

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

Syntax
C#
VB
C++
public static bool CheckKeyModifier( 
   EventArgs e, 
   Keys key 
) 
Public Shared Function CheckKeyModifier( 
   ByVal e As System.EventArgs, 
   ByVal key As System.Windows.Forms.Keys 
) As Boolean 
public:  
   static bool CheckKeyModifier( 
      System::EventArgs^ e, 
      System::Windows::Forms::Keys^ key 
   ) 

Parameters

e

Not used.

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 20.0.2019.3.11
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