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Copying a Form from another VB.NET project in 2005 version

Posted on 2007-04-02
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Last Modified: 2013-11-26
Hi,
I have a VB.NET 2005 project where I want to add an existing form from another VB.NET 2005 project.
When I right click my project and add an Existing item, I select all 3 files for the form i.e. the .vb file , the designer.vb file and the .resx file.

After the form gets added, when I double-click it, the form does not open. It gives some error message.

2 questions:
1. What is right way to import a form into an existing project ?
2. Why does .NET 2005 generate a separate designer file for a form ? Earlier in 2003, everything was in the same .vb file.
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Question by:rajesh_khater
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by:dctuck
ID: 18836608
1. What is the error message you receive? Generally, the method you mentioned would work
2. I think Microsoft decided it would be less confusing for developers if the UI code was separate from the business logic...
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Expert Comment

by:dstanley9
ID: 18836713
The reason for the separate "designer" file is because of the use pf partial classes.  Now, the "designer" code (the code that studio generates to turn the visual form into code) is in a separate file from the custom code, so you don't have the "Designer Generated Code - Do not Modify" region (or something like that).  
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by:rajesh_khater
ID: 18841612
But if I want to see the generated UI code from my project, is there a way I can add it to  my project ?
Can I safely modify the generated code ?
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Accepted Solution

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dctuck earned 500 total points
ID: 18841714
You can modify it, but the reason Microsoft "hid" those designer files is because you just have to be very careful with what you are doing. To view the Designer files, click on the Show All Files button in your Solution Explorer tab (second button from the left). You can then click on the "+" icon to the left of the form you want to display Designer code for. The file will be e.g. Form1.Designer.vb
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by:rajesh_khater
ID: 18842219
While copying a form, is it also necessary to manually select the designer file also, or will Visual Studio automatically detect it and copy it too ?
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Expert Comment

by:dctuck
ID: 18842239
If you just import the main file (e.g. Form1.vb), Visual Studio will automatically detect the Designer and resources files associated with it and also import those.
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