/*——————————【文件】菜单功能结束分割线——————————*/ /*——————————【编辑】菜单功能开始分割线——————————*/ private void 撤销ToolStripMenuItem_Click(object sender, EventArgs e) { if (MainTextBox.CanUndo == true) { MainTextBox.Undo(); } }
private void UndoToolStripMenuItem_Click(object sender, EventArgs e) { MainTextBox.Undo(); }
public void Undo() { MainTextBox.Undo(); }