Remote View CCTV With Hamachi

There are times that remote viewing your GeoVision CCTV can not be done with port forwarding.

For some reasons, the ISP modem does not allow you to access the port setting.

But before we start, remember these terms:

Host PC - the computer that has the GeoVision card and is connected directly to the CCTV cameras.

Viewer PC - the computer that is located elsewhere, and you want to use it to view your host PC cameras.

There is a solution so you can still remotely view your CCTV even without accessing your modem setting.

A free VPN, such as Hamachi, can be used to connect 2 PCs and one PC to be used for remotely viewing the other PC that hosts the CCTV cameras. Both PCs should be connected to the internet and both must have Hamachi installed. The 2 computers may be located elsewhere in the world.

You can download a copy of free Hamachi from the following sit:
https://secure.logmein.com/products/hamachi2/download.aspx

Once you get a copy of Hamachi, install and follow the setup screen as follows:



Once Hamachi has started, then via the Network menu, you need to create a group wherein the 2 computers will become members. For security reasons, the network or group name must be unique and must be secured with a password



Repeat the above steps in the other computer. Now having the computers as member of a group, Hamachi will display the members with a corresponding IP address. The IP address of the other computer will be shown on your Hamachi window, while your IP address will be shown on the other PCs Hamachi window. A green dot should appear beside the IP address to indicate that the device is online and accessible.

Now, download the GeoVision Multiview software from this site:
http://www.geovision.com.tw/english/5_5.asp
Select MultiView and click the Download button.

Install the MultiView software and execute:


Click Edit then fill up the following info:
IP Address: htt://34.55.667.88
It should be the IP address of the PCs that is connected to the CCTV. You can its IP address from the Hamachi window.

The Command Port, Data Port, Audio Port, and HTTP Port should be same as the port settings in the MultiView window in the Host PC.
To check the port setting in the Host PC, look for the Network button, as encircled below, then click the WebCam Server to see the port settings. These port setting should be the same as the port setting above in the viewer

Once the setting is complete, just click the MultiView OK button and you will be connected to the Host PC cameras.

No Windows Permission to Download OCX

This error,"No Windows Permission to Download OCX", popped up when I tried to view CCTV cameras on Winddows 7 using Internet Explorer 8 browser.

And here are the things you can do to fix the problem:

1) Change the security settings of the Internet Explorer 8 by unchecking the Enable Protected Mode option as shown below.


2) Go to User Account Settings and lower the security settings.

If the above solutions don't work with the browser,
download the GeoVision Multiview software from this site:
http://www.geovision.com.tw/english/5_5.asp

Select MultiView and click the Download button.

Install, run then set the parameters required in the window and you should be able to view your CCTV cameras connected to your host PC.

Add Export Button in Crystal Report Viewer

In a Visual Basic 6 program, using crystal report, there are times that you, as the programmer, wants to add export functionality from your crystal report. This means that once the user displays a report in the program, the user will be able to export the report to different file format, MS-Excel included. Observe the icons at the top of the crystal report as shown below. The export button is still not visible.

Now, in the visual basic project, click on the crystal report viewer control, and you will the properties, as shown below. You will see that the property EnableExportButton is set to False.

Set this property to true, see below.

Now, go back to the design view of the crystal report viewer, and you will see that the Export button is already enabled.


When you run the program that displays this report, you can click the new export button and you will shown with the screen below. With this screen, just follow the directions and you will be able to save the displayed report into the format you selected.