AnnCheckModifierCallback Delegate

Summary

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

Syntax

C++

Java

public delegate bool AnnCheckModifierCallback( 
   AnnKeys annKey 
)

Public Delegate Function AnnCheckModifierCallback( _ 
   ByVal annKey As AnnKeys _ 
) As Boolean

public boolean AnnCheckModifierCallback.CheckModifier(AnnKeys 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.Engine is platform-independent, this callback must be set through the platform-specific automation object.

Requirements

Target Platforms

Reference

AnnCheckModifierCallback Members

Leadtools.Annotations.Engine Namespace

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Help Version 20.0.2020.3.31

Leadtools.Annotations.Engine Assembly

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Leadtools.Annotations.Engine Namespace

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