private void undoToolStripMenuItem_Click(object sender, EventArgs e)
{
EditorTabPage etb = GetActiveTab();
if (etb != null)
{
etb.Undo();
}
}
private void undoToolStripMenuItem_Click(object sender, EventArgs e)
{
TabPage tb = tabControl1.SelectedTab;
if (tb as EditorTabPage == null)
{
return;
}
EditorTabPage etb = tb as EditorTabPage;
etb.Undo();
}