LlSetNotificationCallback Method

In This Topic

Definition of a procedure which will be called for notifications. The event handling of the component calls this function internally.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Sub LlSetNotificationCallback( _
   ByVal callback As LlCallbackHandler _
)

public void LlSetNotificationCallback( 
   LlCallbackHandler callback
)

public:
void LlSetNotificationCallback( 
   LlCallbackHandler^ callback
)

Parameters

callback: the address of a function (see below)

Remarks

The callback function has higher priority than the message; if it is defined no message is sent but rather the callback function is called. This function cannot be used if the OCX or VCL controls are used. The callback function has the following definition: LPARAM STDCALL MyCallback(UINT nFunction, LPARAM lParam) and must be an exported function The definition of the parameter nFunction and lParam can be found in the chapter on callback objects.

Requirements

Platforms: Windows 10 (Version 21H2 - 23H2), Windows 11 (21H2 - 22H2), Windows Server 2016 - 2022
.NET: .NET Framework 4.8, .NET 6, .NET 7, .NET 8

Reference

LlCore Class
LlCore Members

Send Feedback