private void twitterSearchWindow_FormClosed(object sender, FormClosedEventArgs e)
{
this.twitterSearchWindow = null;
}
private void searchNewsToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.twitterSearchWindow == null)
{
this.twitterSearchWindow = new TwitterSearchWindow();
this.twitterSearchWindow.MdiParent = this;
this.twitterSearchWindow.FormClosed += new FormClosedEventHandler(this.twitterSearchWindow_FormClosed);
this.twitterSearchWindow.Show();
}
else
{
this.twitterSearchWindow.Activate();
}
}