Solved

Disable Print/Screen etc.

Posted on 1997-04-28
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Last Modified: 2008-03-10
Hi.

I want to make a program that disables Copy/Cut and Paste. And also disables Printing and the Print/screen button on the Keyboard.
Need to do this to be able to display Very Sensitive and secret Information.

I want to have Code Description how to make this possible.

Thanks

//Jim
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Comment
Question by:JRK
5 Comments
 
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Expert Comment

by:tward
ID: 1425758
On a KeyDown event you can check:

if keycode=vbkeyprint then
  keycode=0
endif

For the Clipboard thing I can imagine you could try to do a CLIPBOARD.CLEAR every time there is a keypress or mouse down event....  That is the only way I can find to clear the clipboard...  Doing in on key/mouse events should cover anytime they could cut/paste/copy.
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Author Comment

by:JRK
ID: 1425759
Well, that is okey, but the purpose is to lock Copy/Cut/paste
and printing possibilities. (Print Screen also) for other programs.
Like Internet Explorer and Excel. This is for Intranet solutions.
To view Sensitive Data with other CS applications.

//Jim
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LVL 1

Expert Comment

by:advapp
ID: 1425760
If this is for eliminating print screen capability for other apps -- not for VB programming -- doesn't the question really belongs in another section?
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Accepted Solution

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ChrisLewis earned 90 total points
ID: 1425761
To eliminate Cut/copy/paste, try this:Set the form's KeyPreview = TRUEPrivate Sub Form_KeyPress(KeyAscii As Integer)
  Select Case KeyAscii
    Case 3, 22, 24  ' Disable ctrl-C, ctrl-V & ctrl-X
      Beep
      KeyAscii = 0
    Case Else
  End Select
End Sub
This will suck up the ^C, ^X, & ^V keystrokes.The first answer, Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
  If KeyCode = vbKeyPrint Then ' Disable PrintScreen
      KeyCode = 0
  End If
End Sub
Doesn't work.  It should, but the PrintScreen key does not fire a KeyDown event!  Going to have to check the KB on this one, since I think it did in VB3!Chris
0
 

Author Comment

by:JRK
ID: 1425762
Well I wanted to stop copy/cut/paste/print possibilities withinWindows by creating a VB application that are launched everytimeuser launches that 'protected software'. I hoped doing this with Windows API's//Jim
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