ActiveQt interacts with js to realize graphic explanation

This article mainly uses pictures and texts to share with you examples of interaction between ActiveQt and js. I hope it can help everyone.

1. Develop ActiveX creation project with vs2015+Qt 5.7

1.1. Select "Project" in "New"

1.2. Select Qt ActiveQt Server in Qt and fill in the project name, etc. The interface is as follows:

1.3. Then click Next until completion. The interface definition provided to the outside world is as shown below:

2 , vs2015 debugging ActiveX control environment configuration

2.1. Click the debug button drop-down and select "Attach process to"

2.2. Click the "Debug" button and select "Attach process to" from the drop-down menu to enter the following interface:

2.3. Find the iexplore.exe process , select the IE browser process with an empty "Title", click the "Attach" button, and you can debug at this time. The interface is as follows:

3. Interaction between ActiveQt and js callbacks

##3.1. Method 1: js directly rewrites Qt’s signal function

3.1.1. Qt Define signal method

voideventCallBack(intnType, QStringstrEventName);

##3.1.2, js rewrite method

First, define the OBJECT tag of the control and specify the id. Assuming that the id is ActiveQtServerCallBack, the js method is defined as follows:

functionActiveQtServerCallBack::eventCallBack(nType,strEventName)

{

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