Пример #1
0
        private void OnPreviewKeyDown(object sender, KeyEventArgs e)
        {
            TextBox textbox  = sender as TextBox;
            int     oldvalue = textbox.Text == string.Empty ? 0 : int.Parse(textbox.Text);

            if (oldvalue == 0 && (e.Key == Key.D0 || e.Key == Key.NumPad0))
            {
                e.Handled = true;
            }
            if (KeyInputHelper.CanInputAssert(e.Key))
            {
                if (KeyInputHelper.NumAssert(e.Key))
                {
                    int newvalue = 10 * oldvalue + KeyInputHelper.GetKeyValue(e.Key);
                    if (!AssertOneSideRange(textbox, newvalue))
                    {
                        e.Handled = true;
                    }
                    else if (textbox == MTextbox2 || textbox == DTextbox2 || textbox == STextbox2 || textbox == CVTextbox2)
                    {
                        if (!AssertWholeRange(textbox, newvalue, int.Parse(GetRefTextBox(textbox).Text)))
                        {
                            e.Handled = true;
                        }
                    }
                }
            }
            else
            {
                e.Handled = true;
            }
        }
Пример #2
0
        private void OnPreviewKeyDown(object sender, KeyEventArgs e)
        {
            int oldvalue;

            if ((sender as TextBox).Text != string.Empty)
            {
                oldvalue = int.Parse((sender as TextBox).Text);
            }
            else
            {
                oldvalue = 0;
            }
            if (KeyInputHelper.CanInputAssert(e.Key))
            {
                if (KeyInputHelper.NumAssert(e.Key))
                {
                    int newvalue = 10 * oldvalue + KeyInputHelper.GetKeyValue(e.Key);
                    if (!AssertWholeRange((sender as TextBox), newvalue))
                    {
                        e.Handled = true;
                    }
                }
            }
            else
            {
                e.Handled = true;
            }
        }