private void 前一个ToolStripMenuItem_Click(object sender, EventArgs e)
{
SelectedToolButton(this.前一个ToolStripMenuItem);
if (CurrentModel == null)
{
MessageBox.Show("当前记录为空,请选择记录!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
Code.Common.Iterator <LeadModel> iteratorSS = new ConcreteIterator <LeadModel>(ItemsSource);
var cModel = ItemsSource.FirstOrDefault(x => x.ID == CurrentModel.ID);
if (cModel != null)
{
iteratorSS.SetCurrent(cModel);
if (iteratorSS.MoveBefore())
{
CurrentModel = iteratorSS.Before();
BindValue(CurrentModel);
}
else
{
MessageBox.Show("已经到了最前的记录!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
}