/// <summary>
/// 当行号输入框中的用户输入的数据改变时引发此事件。
/// </summary>
private void CheckedLineNumberTextBoxInput()
{
if (this._LineNumberTextBox.Text == this.LineNumberTextBoxLastValue)
{
return;
}
if (!int.TryParse(this._LineNumberTextBox.Text, out int lineNumber))
{
this._LineNumberTextBox.Text = LineNumberTextBoxLastValue;
return;
}
if (this._OnLineNumberChanging != null)
{
LineNumberChangingEventArgs lncea = new LineNumberChangingEventArgs(Convert.ToInt32(this._LineNumberTextBox.Text));
this._OnLineNumberChanging(this, lncea);
if (lncea.Cancel)
{
this._LineNumberTextBox.Text = this.LineNumberTextBoxLastValue;
return;
}
}
this.LineNumberTextBoxLastValue = this._LineNumberTextBox.Text;
}
void pageNavigation1_OnLineNumberChanging(object sender, LineNumberChangingEventArgs e)
{
this.bindingSource.Position = e.LineNumber - 1;
}