NSIs downloading files using Urldownloadtofile

In Urlmon.dll there is a function called Urldownloadtofile, as the name implies, is a download file of things, we do online installation or many other times, often need to download some small files in advance to configure the current program will be installed, in this situation to selectmen call download plugin is too cumbersome, It also increases the unnecessary volume, so using urldownloadtofile in this case is an ideal approach. Examples are as follows

!includeNsdialogs.nsh
XpstyleOn

OutFile"Test.exe"
Name"Test"
Section"Test"
System::call' Urlmon.dll::urldownloadtofilea (I0, T "Http://www.nsisfans.com/template/wxd_jdbbs/wxd_img/logo.png", T "Nsis.png", I0,I0) I.s '
Pop$r 0
${if} $r 0= 0
MessageBoxMB_OK' Download succeeded '
${else}
MessageBoxMB_OK' Download failed '
${endif}
Sectionend


NSIs downloading files using Urldownloadtofile