How do I reference form controls for a seperate class (c#)?

Assume I have a windows for with only 1 control... a Panel named panel1. I have a seperate class that I want to run that adds a control (an activex control specifically but I dont think that matters) onto panel1. I have found various ways to reference control values... but I have found no solutions as to how I reference the panel1 control specifically so I can add my activeX control to it from a seperate class.
Pretzel_JesusAsked:
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jorgesv13Commented:
You can add the control to the ControlsCollection of the Panel, like this:

Panel pn = Form1.Panel1;
pn.Controls.Add(MyControl);
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Pretzel_JesusAuthor Commented:
I tried that and when I use the intellisense for Form1. all I see are some delegates I have I dont see any controls...
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RishadanPortCommented:
>all I see are some delegates I have I dont see any controls...

What do you mean all you see are some delegates but not any controls?
When you added the object, and run the program, does the ActiveX control show or not?
Make sure that the ActiveX control's Visible property is set to true.
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RishadanPortCommented:
In order to get back the ActiveX control that you added you need to do something like this:

(suppose ActiveXControl is your class name)

ActiveXControl myActiveX = null;

foreach(Control contr in panel1.Controls)
{
   if(contr is ActiveXControl){
      myActiveX = (ActiveXControl)contr;
   }
}

if(myActiveX == null){
   throw new Exception("ActiveX Control was not found in panel1");
}
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Change the MODIFIERS() property for your controls to Public if you want to be able to see them from outside your class...

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jorgesv13Commented:
You can try:
1. Make sure the panel access modifier is set to "Public" (default is Friend)
2. Are you instantiating the Form? Like:
Form1 frm = new Form1;
frm.panel1.controls.add(MyActiveXControl);
frm.ShowDialog()
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