How to use the NI controls in DialogBar?

I made an dialogbar in mainframe and added some NI Controls and normal controls.
But I did not receive the event message such as mouse click of NI button control.
Please see attached file of my sample program. 
Attachments:
exDialogBar.zip ‏53 KB

Hi teleppo,
I noticed the same thing when I ran your code... I am investigating this further and will let you know when I find something out.
Jervin Justin
NI TestStand Product Manager

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    If you really want to use 3 position sliders to move existing keyframes to a new value adding value + expressions values will allow you to do this. Just add an three expression control sliders to the camera layer (or any layer like the null you are using as a parent) select the name of the slider in the ECW and press enter and rename it. Something like this will be the result.
    Notice that I also have rotation and scale controls in this setup. Now that you have 3 sliders you can separate the position property of the null into individual values enable expressions in each property and type in value +, then use the pickwhip to drag from the X value to your slider named xPosition (in my example) and repeat for each operation. The value + will add the value of the slider to the current value of the position keyframes. The expression will look like this for X:
    value + effect("x position")("Slider")
    If you want to use sliders I would use a null, add expression controls to the null for position, scale, and rotation, keep the camera position property unified and then use your expression control sliders on the null to modify your existing path. I would not suggest doing this directly on camera position with separated X, Y and Z values because this will change the shape of your camera path and would be more difficult to control. You'll probably also want to create a camera POInull and use this preset to tie the camera's point of interest to the null.
    Here's an animation preset you can apply to a null that will give complete control to the motion path of any animated layer you make the child of this null. Search Animation Preset in the After Effects Search Help field if you do not know how to use them, create them, and save them.
    As a final gimme, here's a CS6 project using this animation preset to control a null's position that used to change an animated camera path.

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