public void SetEnabled(Boolean enabled)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
throw new Win32Exception();
}
SP_PROPCHANGE_PARAMS PropChangeParams = new SP_PROPCHANGE_PARAMS();
PropChangeParams.ClassInstallHeader.cbSize = Marshal.SizeOf(PropChangeParams.ClassInstallHeader);
PropChangeParams.ClassInstallHeader.InstallFunction = UsbApi.DIF_PROPERTYCHANGE;
PropChangeParams.Scope = UsbApi.DICS_FLAG_GLOBAL; // or use DICS_FLAG_CONFIGSPECIFIC to limit to current HW profile
PropChangeParams.HwProfile = 0; //Current hardware profile
PropChangeParams.StateChange = enabled ? UsbApi.DICS_ENABLE : UsbApi.DICS_DISABLE;
if (!SetupApi.SetupDiSetClassInstallParams(dis, ref dd, ref PropChangeParams.ClassInstallHeader, Marshal.SizeOf(PropChangeParams)))
{
throw new Win32Exception();
}
if (!SetupApi.SetupDiCallClassInstaller(UsbApi.DIF_PROPERTYCHANGE, dis, ref dd))
{
throw new Win32Exception();
}
}
}
public Byte[] GetCustomProperty(String name)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
return(null);
}
RegistryValueKind propertyType;
byte[] propBuffer = new byte[256];
int requiredSize;
if (!SetupApi.SetupDiGetCustomDeviceProperty(dis, ref dd, name, DICUSTOMDEVPROP.NONE, out propertyType, propBuffer, propBuffer.Length, out requiredSize))
{
return(null);
}
if (requiredSize > propBuffer.Length)
{
propBuffer = new Byte[requiredSize];
if (!SetupApi.SetupDiGetCustomDeviceProperty(dis, ref dd, name, DICUSTOMDEVPROP.NONE, out propertyType, propBuffer, propBuffer.Length, out requiredSize))
{
throw new Win32Exception();
}
}
if (requiredSize < propBuffer.Length)
{
Array.Resize(ref propBuffer, requiredSize);
}
return(propBuffer);
}
}
public void SetProperty(SPDRP property, Byte[] value)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
throw new Win32Exception();
}
if (!SetupApi.SetupDiSetDeviceRegistryProperty(dis, ref dd, property, value, (uint)value.Length))
{
throw new Win32Exception();
}
}
}
public Boolean Uninstall()
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
throw new Win32Exception();
}
Boolean needsReboot;
if (!SetupApi.DiUninstallDevice(IntPtr.Zero, dis, ref dd, 0, out needsReboot))
{
throw new Win32Exception();
}
return(needsReboot);
}
}
public RegistryKey OpenRegistryKey(UInt32 scope, UInt32 hwProfile, UInt32 keyType, UInt32 samDesired)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
return(null);
}
IntPtr handle = SetupApi.SetupDiOpenDevRegKey(dis, ref dd, scope, hwProfile, keyType, samDesired);
if (handle == (IntPtr)(-1))
{
return(null);
}
return(RegistryKeyFromHandle(handle, true, (samDesired & (0x00000002 | 0x00000004 | 0x00000020)) != 0));
}
}
public Byte[] GetDeviceProperty(Guid fmtid, UInt32 pid)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
return(null);
}
byte[] propBuffer = new byte[256];
UInt32 requiredSize;
UInt32 propertyType;
DEVPROPKEY propertyKey = new DEVPROPKEY()
{
fmtid = fmtid, pid = pid
};
if (!SetupApi.SetupDiGetDeviceProperty(dis, ref dd, ref propertyKey, out propertyType, propBuffer, (uint)propBuffer.Length, out requiredSize, 0))
{
return(null);
}
if (requiredSize > propBuffer.Length)
{
propBuffer = new Byte[requiredSize];
if (!SetupApi.SetupDiGetDeviceProperty(dis, ref dd, ref propertyKey, out propertyType, propBuffer, (uint)propBuffer.Length, out requiredSize, 0))
{
throw new Win32Exception();
}
}
if (requiredSize < propBuffer.Length)
{
Array.Resize(ref propBuffer, (int)requiredSize);
}
return(propBuffer);
}
}
public static IList <DeviceNode> GetDevices(String enumerator, Boolean present)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, enumerator, IntPtr.Zero, (present ? DICFG.PRESENT : 0) | DICFG.ALLCLASSES)) {
return(GetDevicesInSet(dis));
}
}
public static IList <DeviceNode> GetDevices(Guid classGuid)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(ref classGuid, null, IntPtr.Zero, DICFG.PRESENT | DICFG.DEVICEINTERFACE)) {
return(GetDevicesInSet(dis));
}
}
public static IList <DeviceNode> GetDevices()
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, null, IntPtr.Zero, DICFG.PRESENT | DICFG.ALLCLASSES)) {
return(GetDevicesInSet(dis));
}
}
