只为您重写代码,这将为您提供您想要的。打开副本时,它将检查重复项并聚焦屏幕。
EventWaitHandle ProgramOpen = new EventWaitHandle(false, EventResetMode.ManualReset, "ProgramOpen198472");
EventWaitHandle FocusProgram = new EventWaitHandle(false, EventResetMode.ManualReset, "FocusMyProgram198472");
private delegate void focusConfirmed(); Thread FocusCheck;
private void focus() { FocusProgram.WaitOne(); this.Invoke(new focusConfirmed(()=>{this.Show(); this.BringToFront();}));}
private void Form1_Load(object sender, EventArgs e)
{
if (ProgramOpen.WaitOne(0))
{
FocusProgram.Set();
this.Close();
}
ProgramOpen.Set();
}
private void HideButton_Click(object sender, EventArgs e)
{
this.Hide();
FocusProgram.Reset();
FocusCheck = new Thread(focus);
FocusCheck.Start();
}
private void showToolStripMenuItem_Click(object sender, EventArgs e)
{
FocusProgram.Set();
}