The MONITORINFO structure contains information about a display monitor.

The GetMonitorInfo function stores information in a MONITORINFO structure or a MONITORINFOEX structure.

The MONITORINFO structure is a subset of the MONITORINFOEX structure. The MONITORINFOEX structure adds a string member to contain a name for the display monitor.

C# Definition:

[StructLayout(LayoutKind.Sequential)]

private class MONITORINFO

{

    public int cbSize;
    public RECT rcMonitor;
    public RECT rcWork;
    public uint dwFlags;

}

Alternative Managed API:

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Notes:

If the monitor is the primary monitor the flag will be set too MONITORINFOF_PRIMARY. The declaration for MONITORINFOF_PRIMARY is

const uint MONITORINFOF_PRIMARY = 1;

Tips & Tricks:

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Sample Code:

MONITORINFO monitorInfo = new MONITORINFO();

monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);

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