Using system;
Using system.text;
Using system.Runtime.InteropServices;
Namespace Devinfo
{
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
Class DeviceInfo
??? {
???????
public
Const
INT Digcf_present ??? =
0x00000002);
???????
public
Const
INT MAX_DEV_LEN =
1000;
???????
public
Const
INT SPDRP_FRIENDLYNAME =
0x0000000c);?
??????????
// FriendlyName (R / W)
???????
public
Const
INT SPDRP_DEVICEDESC =
0x00000000);???
??????????
// devicesDesc (r / w)
??????? [structLayout (layoutkind.sequential)]
???????????
public
Class SP_DEVINFO_DATA
??????????????? {
????????????????
public
Int cbsize;
????????????????
PUBLIC GUID? ClassGuid;
????????????????
public
Int devinst; ???
// devinst handle
????????????????
public
Ulong reserved;
???????????????};
??????? [DLLIMPORT
"setupapi.dll"]]]
//
???????
public
Static
Extern Boolean
????????? setupdiclassguidsfromnamea (
String Classn,
REF GUID GUIDS,
??????????? uint32 ClassNameSize,
Ref uint32 reqsize);
??????? [DLLIMPORT
"setupapi.dll"]]]
???????
public
Static
EXTERN INTPTR ???????????????
// Result HDevinfo
????????? setupdigetClassdevsa (
Ref guid classguid, uint32 enumerator,
??????????? INTPTR ???? hwndparent ,? uint32 flags);
??????? [DLLIMPORT
"setupapi.dll"]]]
???????
public
Static
Extern Boolean
????????? setUpdienumDeviceInfo (INTPTR DeviceInfoseet, uint32 memberindex,
??????????? SP_DEVINFO_DATA ???? deviceInfodata);
??????? [DLLIMPORT
"setupapi.dll"]]]
???????
public
Static
Extern Boolean
????????? setupdideStroyDeviceInfolist (INTPTR DeviceInfoseet);
??????? [DLLIMPORT
"setupapi.dll"]]]
???????
public
Static
Extern Boolean
????????? setupdiGetDeviceRegistryPropertya (INTPTR DEVICEINFOSET, ????????? sp_devinfo_data ???? DeviceInfodata, uint32 Property,
????????? uint32 ?? PropertyRegDataType, STRINGBUILDER? PropertyBuffer,
????????? uint32 propertybuffersize, intptr requiredsize;
???????
public
Static
Int EnumerateDevices (uint32 deviceindex,
???????????????
String ClassName,
??????????????? StringBuilder DeviceName)
??????? {
???????? uint32 requiredsize =
0;
???????? guid guid = guid.empty
???????? guid [] guids =
New guid [
1];
???????? INTPTR NEWDEVICEINFOSet
???????? sp_devinfo_data deficEinfodata =
NEW sp_devinfo_data ();
????????
Bool res = setupdiclassguidsfromnamea (classname,
???????????????????
Ref guids [
0], RequiredSize,
???????????????????
RequiredSize;
????????
IF (RequiredSize ==
0)
?????????????? {
???????????????
// IncorRect Class Name:
??????????????? deviceName =
New StringBuilder
"" "
???????????????
Return -
2;
??????????????}
????????
IF (! rs)
????????? {
?????????? Guids =
New Guid [RequiredSize];
?????????? res = setupdiclassguidsfromnamea (classname,
Ref guids [
0], RequiredSize,
???????????????
RequiredSize;
??????????
IF (! res || RequiredSize ==
0)
?????????????? {
??????????
// IncorRect Class Name:
??????????????? deviceName =
New StringBuilder
"" "
???????????????
Return -
2;
??????????????}
?????????}
????????
// Get Device Info Set for Our Device Class
???????? NewdeviceInfoseet = setupdigetClassdevsa (
Ref guids [
0],
0, INTPTR.ZERO,
???????????????????? Digcf_Present);
????????
IF (newDeviceInfoset.toint32 () == -
1 )
????????
IF (! rs)
?????????????? {
??????????
// Device Information is unavailable: ??????????????? deviceName =
New StringBuilder
"" "
???????????????
Return -
3;
??????????????}
??????????? deviceInfodata.cbsize =
28;
???????????
// is Devices EXIST for Class
??????????? deviceInfodata.devinst =
0;
??????????? deviceInfodata.classguid = system.guid.empty;
??????????? deviceInfodata.reserved =
0;
??????????? res = setupdienumDeviceInfo (NewDeviceInfoseet,
?????????????????? deviceIndex, deviceinfodata);
???????????
IF (! res) {
????????
// no Such device:
??????????????? setUpdideStroyDeviceInfolist (NewDeviceInfoseet);
??????????????? deviceName =
New StringBuilder
"" "
???????????????
Return -
1;
???????????}
??????? deviceName.capacity = max_dev_len;
???????
IF (! setupdiGetDeviceRegistryPropertya (NewDeviceInfoseet,
????????? deviceInfodata,
??????? SPDRP_FRIENDLYNAME,
0, DeviceName, Max_Dev_len, INTPTR.ZERO))
??????? {
???????? res = setupdiGetDeviceRegistryProperty (NewDeviceInfoseet,
????????? deviceInfodata, SPDRP_DEVICEDESC,
0, DeviceName, Max_Dev_len,
??????????? INTPTR.ZERO);
????????
IF (! res) {
????????
// IncorRect Device Name:
??????????????? setUpdideStroyDeviceInfolist (NewDeviceInfoseet);
??????????????? deviceName =
New StringBuilder
"" "
???????????????
Return -
4;
???????????}
???????}
????????
Return
0;
???????}
??????? [stathread]
???????
Static
Void main
String [] ARGS)
??????? {
???????? StringBuilder Devices =
New StringBuilder
"" "
???????? uint32 index =
0;
????????
int result =
0;
????????
IF (args.length! =
1)
????????? {
??????????? console.writeline
"Command Line Format:");
??????????? console.writeline ("Devinfo
"
);
???????????
Return;
?????????}
????????
WHILE
True)
????????? {
??????????? result = enumeratedeVices (Index, Args [
0], Devices);
??????????? INDEX ;
???????????
IF (result == -
2)
??????????????????? {
???????????????????? console.writeline
"IncorRect Name of class = {0}",
?????????????????????? ARGS [
0]);
????????????????????
Break;
???????????????????}
???????????
IF (result == -
1)
Break;
???????????
IF (result ==
0) Console.WriteLine
Device {0} is {1} ",
????????????? index, defices;
???????}
???????}
???}
}
