public void ActivateApplication() { var mainFormHandle = IntPtr.Zero; foreach (var process in Process.GetProcesses().Where(x => x.ProcessName.Contains("SiteManager"))) { if (process.MainWindowHandle.ToInt32() == 0) { continue; } mainFormHandle = process.MainWindowHandle; break; } if (mainFormHandle.ToInt32() == 0) { return; } WinAPIHelper.ShowWindow(mainFormHandle, WindowShowStyle.ShowMaximized); WinAPIHelper.MakeTopMost(mainFormHandle); WinAPIHelper.MakeNormal(mainFormHandle); uint lpdwProcessId; WinAPIHelper.AttachThreadInput(WinAPIHelper.GetCurrentThreadId(), WinAPIHelper.GetWindowThreadProcessId(WinAPIHelper.GetForegroundWindow(), out lpdwProcessId), true); WinAPIHelper.SetForegroundWindow(mainFormHandle); WinAPIHelper.AttachThreadInput(WinAPIHelper.GetCurrentThreadId(), WinAPIHelper.GetWindowThreadProcessId(WinAPIHelper.GetForegroundWindow(), out lpdwProcessId), false); }
private void FormFileDescription_Shown(object sender, EventArgs e) { WinAPIHelper.ShowWindow(Handle, WindowShowStyle.ShowNormal); WinAPIHelper.MakeTopMost(Handle); WinAPIHelper.MakeNormal(Handle); uint lpdwProcessId; WinAPIHelper.AttachThreadInput(WinAPIHelper.GetCurrentThreadId(), WinAPIHelper.GetWindowThreadProcessId(WinAPIHelper.GetForegroundWindow(), out lpdwProcessId), true); WinAPIHelper.SetForegroundWindow(Handle); WinAPIHelper.AttachThreadInput(WinAPIHelper.GetCurrentThreadId(), WinAPIHelper.GetWindowThreadProcessId(WinAPIHelper.GetForegroundWindow(), out lpdwProcessId), false); }
private static void TakeSemaphorFailed() { var procs = AppHelper.GetAllProcessesButThis(); var count = procs.Length; switch (count) { case 1: MessageBox.Show("Application is already launched", "Info"); WinAPIHelper.ShowWindow(procs[0].MainWindowHandle, ShowWindowCommands.Normal); break; default: MessageBox.Show("Allowable limit of " + count + " copies exhausted", "Info"); break; } }