Vista and Windows 7 only. DEVPROPKEY

C# Signature:

[DllImport("setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern unsafe bool SetupDiGetDeviceProperty(
     IntPtr deviceInfoSet,
     ref SP_DEVINFO_DATA DeviceInfoData,
     ref DEVPROPKEY propertyKey,
     out UInt32 propertyType,
     StringBuilder propertyBuffer,
     UInt32 propertyBufferSize,
     out UInt32 requiredSize,
     UInt32 flags);
    [DllImport("setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
    static extern unsafe bool SetupDiGetDeviceProperty(
        IntPtr deviceInfoSet,
        ref SP_DEVINFO_DATA DeviceInfoData,
        ref DEVPROPKEY propertyKey,
        out UInt32 propertyType,
        StringBuilder propertyBuffer,
        UInt32 propertyBufferSize,
        out UInt32 requiredSize,
        UInt32 flags);

static void DEFINE_DEVPROPKEY(out DEVPROPKEY key, UInt32 l, UInt16 w1, UInt16 w2, Byte b1, Byte b2, Byte b3, Byte b4, Byte b5, Byte b6, Byte b7, Byte b8, DEVPROPID pid)
{
     key.fmtid = new Guid(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8);
     key.pid = pid;
}
    static void DEFINE_DEVPROPKEY(out DEVPROPKEY key, UInt32 l, UInt16 w1, UInt16 w2, Byte b1, Byte b2, Byte b3, Byte b4, Byte b5, Byte b6, Byte b7, Byte b8, DEVPROPID pid)
    {
        key.fmtid = new Guid(l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8);
        key.pid = pid;
    }

VB Signature:

Declare Function SetupDiGetDeviceProperty Lib "setupapi.dll" (TODO) As TODO

User-Defined Types:

[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct DEVPROPKEY
{
     public DEVPROPGUID fmtid;
     public DEVPROPID pid;
}
    [StructLayout(LayoutKind.Sequential, Pack = 1)]
    public struct DEVPROPKEY
    {
        public DEVPROPGUID fmtid;
        public DEVPROPID pid;
    }

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Property Keys are defined in devpkey.h (https://github.com/tpn/winsdk-10/blob/master/Include/10.0.16299.0/shared/devpkey.h)

Sample Code:

http://stackoverflow.com/questions/4097000/how-do-i-disable-a-system-device-programatically

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).