AnnCheckModifierCallback Delegate

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

Syntax

C#
Visual Basic
WinRT C#
Objective-C
Java
WinRT JavaScript

public delegate bool AnnCheckModifierCallback( 
   AnnKeys annKey
)

'Declaration

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

public delegate bool AnnCheckModifierCallback( 
   AnnKeys annKey
)

public boolean AnnCheckModifierCallback.CheckModifier(AnnKeys annKey)

AnnCheckModifierCallback( 
   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

Reference

AnnCheckModifierCallback Members
Leadtools.Annotations.Core Namespace