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Resolved Lost source code of OLE control

  1. How-to
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  1. Andrea Rimicci
    Andrea Rimicci
  2. PowerBuilder
  3. Monday, 3 December 2018 16:31 PM UTC

I noticed Powerbuilder lost all source code and info about a OLE control, if I copy my project to a computer that haven't installed same control I used in the object (the control shows blank, without any info about it).

I tried installing the control later and reopening the project, but the ole placeholder still is blank and all source code of personalized events is missing.

How can I make sure don't lose all my source code if I accidentally open a project with some ole control in some windows referring elements not installed on the development machine?

 

  1. OLE
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Responses (2)
Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Monday, 3 December 2018 17:08 PM UTC
  2. PowerBuilder
  3. # 1

Hi Andrea;

   I suspect that your OLE object's source code is intact. The issue might be that the IDE cannot reconstruct the exact values and render it visually when you open the UO / Window Painter - as the OLE (ActiveX) component may not be properly / fully registered in the registry or GAC of the MS-Windows O/S.

Regards ... Chris

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Andrea Rimicci
Andrea Rimicci Accepted Answer Pending Moderation
  1. Tuesday, 4 December 2018 08:59 AM UTC
  2. PowerBuilder
  3. # 2

Hi Chris,

thank you for the reply, I was able to recover the original window from the PC with the ole installed and exported it, then I exported "new" window of the target PC, making a diff between the two SRU files, everything is untouched except two things:

the binary descriptor of the ole object is different, and the clicked() event source is missing (note: it was all commented)

I'll paste here the descriptors:

This is the descriptor of the original exported window:


Start of PowerBuilder Binary Data Section : Do NOT Edit
09u_plc_omron_nx.bin
2A00000a00e011cfd0e11ab1a1000000000000000000000000000000000003003e0009fffe000000060000000000000000000000010000000100000000000010000000000200000001fffffffe0000000000000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffdfffffffefffffffefffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff006f00520074006f004500200074006e00790072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000050016ffffffffffffffff000000010000000000000000000000000000000000000000000000000000000096965f6001d47d0600000003000001000000000000500003004f0042005800430054005300450052004d0041000000000000000000000000000000000000000000000000000000000000000000000000000000000102001affffffff00000002ffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000006a00000000004200500043004f00530058004f00540041005200450047000000000000000000000000000000000000000000000000000000000000000000000000000000000001001affffffffffffffff0000000328e12b2311d3a3da100081bbf5969b5a0000000096965f6001d47d0696965f6001d47d06000000000000000000000000006f00430074006e006e00650073007400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001020012ffffffffffffffffffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000020000006a0000000000000001fffffffe00000003fffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
24ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000a00000006a4000006a40054000800500000005c003a0073007200700074006a00720067005c007400690070005c0032006200310030005c003700770073007000610073005c006300720072005c006e006f00610063006f00740063002e006d0064000b00000000ffff000000000000000000000000000000000000000000000a00000006a4000006a40054000800500000005c003a0073007200700074006a00720067005c007400690070005c0032006200310030005c003700770073007000610073005c006300720072005c006e006f00610063006f00740063002e006d0064000b00000000ffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
19u_plc_omron_nx.bin
End of PowerBuilder Binary Data Section : No Source Expected After This Point

 

And here the descriptor of the target pc that had the ole not installed (I installed it later, after I noticed the object missing):


Start of PowerBuilder Binary Data Section : Do NOT Edit
09u_plc_omron_nx.bin
2B00000600e011cfd0e11ab1a1000000000000000000000000000000000003003e0009fffe00000006000000000000000000000001000000010000000000001000fffffffe00000000fffffffe0000000000000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffdfffffffeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff006f00520074006f004500200074006e00790072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000050016ffffffffffffffffffffffff000000000000000000000000000000000000000000000000000000000000000000000000fffffffe00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
19u_plc_omron_nx.bin
End of PowerBuilder Binary Data Section : No Source Expected After This Point

 

It seems the binary descriptor is changed by the ide if you open the window editor and the ole wasn't installed.

Then, I tried to overwrite the original descriptor over the last one and imported the window on target PC: the window opened with the ole OK, but the clicked() script still missing.

Here is the missing code I recovered from 'old' pc:

event clicked;//
//any val
//longlong v
//string vName
////val = plc.object.ReadVariable('Item_2')
////plc.aboutbox()
//
//val = plc.isconnected()
//sle_item2.text = string(val)
//
//plc.Update()
//
//val = plc.typename
////val = plc.readrawdata("Item_2")
//
//
//
////plc.WriteVariable('Item_2', 2)
//
//vName = 'Item_2'
//val = plc.readvariable(vName)
//
//
//
//v = plc.SerialNumber
//
////val = plc.isconnected()
//
//
//sle_item2.text = string(val)
//
end event

 

Andrea

Comment
Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 4 December 2018 16:10 PM UTC
I wonder if the old Windows source is intact or maybe its too old a generation of the code. The binary descriptor though is what I would be expected to see in the Window source.



In the worst case, you might have to reconstruct the Window once the OLE control is properly registered and then paste in the missing code.
  1. Helpful
Andrea Rimicci
  1. Andrea Rimicci
  2. Wednesday, 5 December 2018 08:14 AM UTC
Yes, cut and paste of binary data worked, and the control have been properly shown in the 'new' window.

Only thing lost is code of the events.
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