/// <summary>
/// Tests if a key modifies the text in the edit box</summary>
/// <param name="keyData">A key, such as from ProcessDialogKey</param>
/// <returns>True iff the key modifies text</returns>
public static bool IsEditKey(Keys keyData)
{
if (KeysUtil.IsPrintable(keyData))
{
return(true);
}
// remove any modifiers and check for some non-printable editing keys
keyData &= Keys.KeyCode;
return
(keyData == Keys.Back ||
keyData == Keys.Delete);
}
