After VS2015 + QT environment configuration, Lauch Qt Designer failed to open, the file can not be opened * .ui

Recently appeared on the VS2015 when configuring QT this problem, then Baidu its solutions, recorded after resolving.
The first step:
In [] Solution Explorer, right-click your xxx.ui file, select [Open], then the list is the default value] [Qt designer, select it and click the button [remove] .
Then [Add] button in the pop-up window "Browse" and select your version of QT installation directory ( "C: \ Qt5.7.0 \ 5.7 \ msvc2015 \ bin"), select designer.exe bin folder. (Ie, to add in designer.exe own manual).
After the addition is complete, click [Set as Default], and then OK.
Step two:
enter the location of bin files in the Qt Designer installation directory (eg C: \ Qt5.7.0 \ 5.7 \ msvc2015 \ bin), the Qt5WebEngineWidgets.dll just a change of name, for example Qt5WebEngineWidgets111.dll. QtDesigner then you can open up.