/// <summary>
/// 初始化通知和内存共享文件
/// </summary>
private void Init(bool read)
{
memoryFile = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + MemoryMappedFileNameTag);
eventWait = EventWaitHandleHelper.CreateEventHande(processKey + EventWaitNameTag, false);
if (read)
{
Task.Factory.StartNew(WaitForMessage);
}
}
/// <summary>
/// 是否已经在运行
/// </summary>
/// <param name="processKey">唯一标识</param>
/// <param name="activeWindow">已经运行是否激活之前窗体</param>
/// <returns></returns>
public static bool HadRun(string processKey, bool activeWindow = false)
{
if (activeWindow)
{
var handelStr = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + handelTag).ReadData();
if (!string.IsNullOrEmpty(handelStr))
{
var handel = (IntPtr)int.Parse(handelStr);
Win32Helper.ShowWindowAsync(handel, SW_SHOWNOMAL);
Win32Helper.SetForegroundWindow(handel);
}
}
return(HadRun(processKey));
}
/// <summary>
/// 将当前主窗口 句柄写入到进程内存，方便激活
/// </summary>
/// <param name="processKey"></param>
/// <param name="windowHandel"></param>
public static void WriteHandel(string processKey, IntPtr windowHandel)
{
fileMapped = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + handelTag);
fileMapped.WriteData(windowHandel.ToString());
}