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"<body oncontextmenu='return false' onselectstart ='return false'> <div>....<div> </body>"
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.Alt)
{
return base.ProcessCmdKey(ref msg, keyData);
}
else if(keyData==Keys.Control)
{
return base.ProcessCmdKey(ref msg, keyData);
}
else if(keyData == Keys.ShiftKey)
{
return base.ProcessCmdKey(ref msg, keyData);
}
else
{
return true;
}
}