C# Signature:

[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr MonitorFromPoint(POINT pt, MonitorOptions dwFlags);

enum MonitorOptions : uint
{
    MONITOR_DEFAULTTONULL = 0x00000000,
    MONITOR_DEFAULTTOPRIMARY = 0x00000001,
    MONITOR_DEFAULTTONEAREST = 0x00000002
}

VB .NET Signature:

<DllImport("user32.dll", SetLastError := True)> _
Private Shared Function MonitorFromPoint(pt As POINT, dwFlags As MonitorOptions) As IntPtr
End Function

Private Enum MonitorOptions As UInteger
    MONITOR_DEFAULTTONULL = &H0
    MONITOR_DEFAULTTOPRIMARY = &H1
    MONITOR_DEFAULTTONEAREST = &H2
End Enum

User-Defined Types:

POINT

Notes:

None.

Tips & Tricks:

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Sample Code:

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Alternative Managed API:

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