protected override void OnKeyPress(KeyPressEventArgs e)
{
CustomPopupLookUpEditForm form = this.PopupForm as CustomPopupLookUpEditForm;
if (lastChar == "backspace")
{
e.Handled = true;
form.IncrementalSearchText = form.IncrementalSearchText.Remove(form.IncrementalSearchText.Length - 1);
}
base.OnKeyPress(e);
if (lastChar != "backspace")
{
form.IncrementalSearchText += lastChar;
}
}
protected override void OnPreviewKeyDown(System.Windows.Forms.PreviewKeyDownEventArgs e)
{
CustomPopupLookUpEditForm form = this.PopupForm as CustomPopupLookUpEditForm;
base.OnPreviewKeyDown(e);
if (char.IsLetterOrDigit((char)e.KeyCode))
{
lastChar = ((char)e.KeyCode).ToString();
}
else if (e.KeyData == Keys.Back)
{
lastChar = "backspace";
}
else
{
lastChar = "";
}
}
