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unable paste in textbox

Posted on 2006-07-23
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Last Modified: 2010-04-16
hi there ,
i have an numeric textbox
but if i copy some text an enter the textbox an make paste on it
the text is performd in the texbox

how i can  unable the paste to the textbox ?


thanks ....
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Question by:Tech_Men
2 Comments
 
LVL 9

Assisted Solution

by:DrAske
DrAske earned 100 total points
ID: 17163365
Use Mouse Down Event, Then Clear the Clipboard ..

private void TxtBox1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
    Clipboard.SetDataObject("");
}

Try It ..

regards,Ahmad;
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LVL 10

Accepted Solution

by:
smegghead earned 150 total points
ID: 17163373
The first thing to do is to set the ContextMenu propert of the textbox equal to a new empty 'ContextMenu', then you can either disable the paste keys in the whole form, or on the individual control.

protected override bool ProcessCmdKey(ref Message msg,Keys keyData)
{
      if (keyData==(Keys.Control|Keys.V) || keyData==(Keys.Shift|Keys.Insert))
            return true;
      else
            return base.ProcessCmdKey(ref msg,keyData);
}

If you choose to do it for the whole form, then it's just a matter of adding the above code to the form class. If you want to it to just apply to a sinlge control, you have to create a new control which inherits from TextBox, and include the above code in the overridden class.

Hope this helps
Smg.
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