@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: TODO - a short description !!!!C# Signature: [DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)] public static extern bool EnumMonitors(string pName, uint level, IntPtr pMonitors, uint cbBuf, ref uint pcbNeeded, ref uint pcReturned); !!!!VB Signature: Declare Function EnumMonitors Lib "winspool.dll" (TODO) As TODO !!!!User-Defined Types: [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct MONITOR_INFO_2 { [MarshalAs(UnmanagedType.LPTStr)] public string pName; [MarshalAs(UnmanagedType.LPTStr)] public string pEnvironment; [MarshalAs(UnmanagedType.LPTStr)] public string pDLLName; } !!!!Alternative Managed API: Do you know one? Please contribute it! !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: public const int ERROR_INSUFFICIENT_BUFFER = 122; public static List<MONITOR_INFO_2> GetMonitors() { List<MONITOR_INFO_2> ports = new List<MONITOR_INFO_2>(); uint pcbNeeded = 0; uint pcReturned = 0; if (EnumMonitors(null, 2, IntPtr.Zero, 0, ref pcbNeeded, ref pcReturned)) { //succeeds, but must not, because buffer is zero (too small)! throw new Exception("EnumMonitors should fail!"); } int lastWin32Error = Marshal.GetLastWin32Error(); if (lastWin32Error == ERROR_INSUFFICIENT_BUFFER) { IntPtr pMonitors = Marshal.AllocHGlobal((int)pcbNeeded); if (EnumMonitors(null, 2, pMonitors, pcbNeeded, ref pcbNeeded, ref pcReturned)) { IntPtr currentMonitor = pMonitors; for (int i = 0; i < pcReturned; i++) { ports.Add((MONITOR_INFO_2)Marshal.PtrToStructure(currentMonitor, typeof(MONITOR_INFO_2))); currentMonitor = (IntPtr)(currentMonitor.ToInt32() + Marshal.SizeOf(typeof(MONITOR_INFO_2))); } Marshal.FreeHGlobal(pMonitors); return ports; } } throw new Win32Exception(Marshal.GetLastWin32Error()); } Documentation: EnumMonitors@msdn on MSDN
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