.

Summary

The GetMonitorInfo API

C# Signature:

[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFOEX lpmi);
[DllImport("user32.dll")]
static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFO lpmi);

User-Defined Types:

MONITORINFOEX

MONITORINFO

Notes:

None.

Tips & Tricks:

System.Windows.Forms.Screen

Sample Code:

    [DllImport("user32.dll")]
    internal static extern bool EnumDisplayMonitors(IntPtr hdc, IntPtr lprcClip, MonitorEnumProc lpfnEnum, IntPtr dwData);

    internal delegate bool MonitorEnumProc(IntPtr hMonitor, IntPtr hdcMonitor, ref RECT lprcMonitor, IntPtr dwData);

    private void EnumMonitors()
    {
     EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero, MonitorEnumCallBack, IntPtr.Zero);
    }

    private bool MonitorEnumCallBack(IntPtr hMonitor, IntPtr hdcMonitor, ref RECT lprcMonitor, IntPtr dwData)
    {
     MONITORINFOEX mon_info = new MONITORINFOEX();
     mon_info.cbSize = (uint)Marshal.SizeOf(mon_info);
     GetMonitorInfo(hMonitor, ref mon_info);
     ///Monitor info is stored in 'mon_info'
     return true;
    }

Alternative Managed API:

Consider System.Windows.Forms.Screen.

Documentation

GetMonitorInfo on MSDN