Solved

drag&drop into a CButton

Posted on 1998-07-03
1
385 Views
Last Modified: 2013-11-20
I need a CButton derived object (CSoundButton) to handle drag& drop but as I understand it: only a CView derived class has drag&drop events handling functions.

It also seems I can't use multiple inheritance (deriving my CSoundButton from both CButton and CView) because I can only use one CWnd derived class when using multiple inheritance (as explained in TechNote #016).

Is there another way to handle drag&drop from a CButton derived object-class ?
0
Comment
Question by:SergeDePauw
1 Comment
 
LVL 7

Accepted Solution

by:
galkin earned 200 total points
ID: 1318703
You must create class derived from COleDropTarget. Overrider its virtual function. In your CButton derived class declare a member of COleDropTarget derived class. Override OnCreate message handler in CButton derived class and call COleDropTarget Register method passing this pointer. Now OnFragEnter, OnDragOver, OnDrawLeave and OnDrop will be called in various situations during drag and drop operation.
0

Featured Post

Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Pressing cancel button with C# UI Automation 3 80
changeXy challenge 13 87
JQuery serialize and unserialize 8 133
Authenticate using sesu from script 7 54
This is to be the first in a series of articles demonstrating the development of a complete windows based application using the MFC classes.  I’ll try to keep each article focused on one (or a couple) of the tasks that one may meet.   Introductio…
Introduction: Dialogs (2) modeless dialog and a worker thread.  Handling data shared between threads.  Recursive functions. Continuing from the tenth article about sudoku.   Last article we worked with a modal dialog to help maintain informat…
This video will show you how to get GIT to work in Eclipse.   It will walk you through how to install the EGit plugin in eclipse and how to checkout an existing repository.
The Email Laundry PDF encryption service allows companies to send confidential encrypted  emails to anybody. The PDF document can also contain attachments that are embedded in the encrypted PDF. The password is randomly generated by The Email Laundr…

789 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question