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AnnCheckModifierCallback Delegate

Summary

Callback used to determine whther a specific key is pressed in this platform.

Syntax

C#
VB
Java
WinRT C#
C++
public delegate bool AnnCheckModifierCallback( 
   AnnKeys annKey 
) 
Public Delegate Function AnnCheckModifierCallback( _ 
   ByVal annKey As Leadtools.Annotations.Core.AnnKeys _ 
) As Boolean 
public delegate bool AnnCheckModifierCallback(  
   Leadtools.Annotations.Core.AnnKeys annKey 
) 
public boolean AnnCheckModifierCallback.CheckModifier(AnnKeys annKey) 
AnnCheckModifierCallback(  
   annKey  
) 
public: 
   delegate bool AnnCheckModifierCallback( 
      AnnKeys^ annKey 
   )

Parameters

annKey
Keys to check

Return Value

true if the specified key(s) is pressed; otherwise, false.

Remarks

This callback is used by the annotations core library to determine whether a specific key is currently pressed. Since Leadtools.Annotations.Core is platform-independent, this callback must be set through the platform-specific automation object.

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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