Written in c + + custom browser Download function, online said need to write a com component implementation IDownloadManager interface methods of the Download, I wrote, but when I click on the Download link not call me to write the Download method, I don't know whether I implementation and use of the method is wrong, like a com predecessors comment, please write detailed descriptions IDownloadManager implementation and use of the method, the more detailed, the better, thank you! If you have the source code is better, the younger brother email: [email protected], appreciate!