BOOL
CDeviceView::ListDevicesByConnection()
{
WCHAR DeviceName[DEVICE_NAME_LEN];
INT ClassImage;
BOOL bSuccess;
/* Get the details of the root of the device tree */
bSuccess = m_Devices->GetDeviceTreeRoot(DeviceName, DEVICE_NAME_LEN, &ClassImage);
if (bSuccess)
{
/* Add the root of the device tree to the treeview */
m_hTreeRoot = InsertIntoTreeView(NULL,
DeviceName,
NULL,
ClassImage,
0);
}
/* Walk the device tree and add all the devices */
RecurseChildDevices(m_Devices->GetRootDevice(), m_hTreeRoot);
/* Expand the root item */
(VOID)TreeView_Expand(m_hTreeView,
m_hTreeRoot,
TVE_EXPAND);
return TRUE;
}
HTREEITEM
InitTreeView(HWND hTreeView)
{
HTREEITEM hRoot;
TCHAR ComputerName[MAX_PATH];
DWORD dwSize = MAX_PATH;
INT RootImage;
(void)TreeView_DeleteAllItems(hTreeView);
/* Get the device image list */
ImageListData.cbSize = sizeof(ImageListData);
SetupDiGetClassImageList(&ImageListData);
(void)TreeView_SetImageList(hTreeView,
ImageListData.ImageList,
TVSIL_NORMAL);
if (!GetComputerName(ComputerName,
&dwSize))
{
ComputerName[0] = _T('\0');
}
/* Get the image index of the computer class */
SetupDiGetClassImageIndex(&ImageListData,
&GUID_DEVCLASS_COMPUTER,
&RootImage);
/* Insert the root item into the tree */
hRoot = InsertIntoTreeView(hTreeView,
NULL,
ComputerName,
NULL,
RootImage,
0);
return hRoot;
}
bool
CDeviceView::RecurseChildDevices(
_In_ DEVINST ParentDevice,
_In_ HTREEITEM hParentTreeItem
)
{
HTREEITEM hDevItem = NULL;
DEVINST Device;
bool HasProblem = false;
bool bSuccess;
// Check if the parent has any child devices
if (GetChildDevice(ParentDevice, &Device) == FALSE)
return true;
// Get the cached device node
CDeviceNode *DeviceNode;
DeviceNode = dynamic_cast<CDeviceNode *>(GetDeviceNode(Device));
if (DeviceNode == nullptr)
{
ATLASSERT(FALSE);
return false;
}
// Don't show hidden devices if not requested
if ((m_ShowHidden == TRUE) || (!(DeviceNode->IsHidden())))
{
// Add this device to the tree under its parent
hDevItem = InsertIntoTreeView(hParentTreeItem,
DeviceNode);
if (hDevItem)
{
// Check if this child has any children itself
if (!RecurseChildDevices(Device, hDevItem))
HasProblem = true;
}
if (DeviceNode->HasProblem())
{
HasProblem = true;
}
}
// Check for siblings
for (;;)
{
// Check if the parent device has anything at the same level
bSuccess = GetSiblingDevice(Device, &Device);
if (bSuccess == FALSE) break;
DeviceNode = dynamic_cast<CDeviceNode *>(GetDeviceNode(Device));
if (DeviceNode == nullptr)
{
ATLASSERT(FALSE);
}
// Don't show hidden devices if not requested
if ((m_ShowHidden == TRUE) || (!(DeviceNode->IsHidden())))
{
if (DeviceNode->HasProblem())
{
HasProblem = true;
}
// Add this device to the tree under its parent
hDevItem = InsertIntoTreeView(hParentTreeItem,
DeviceNode);
if (hDevItem)
{
// Check if this child has any children itself
if (!RecurseChildDevices(Device, hDevItem))
HasProblem = true;
}
}
}
(void)TreeView_SortChildren(m_hTreeView,
hParentTreeItem,
0);
// Expand the class if it has a problem device
if (HasProblem == true)
{
(void)TreeView_Expand(m_hTreeView,
hParentTreeItem,
TVE_EXPAND);
}
// If there was a problem, expand the ancestors
if (HasProblem) return false;
return true;
}
bool
CDeviceView::ListDevicesByType()
{
CClassNode *ClassNode;
CDeviceNode *DeviceNode;
HDEVINFO hDevInfo;
HTREEITEM hTreeItem = NULL;
GUID ClassGuid;
INT ClassIndex;
BOOL bClassSuccess, bSuccess;
ClassIndex = 0;
do
{
// Loop through all the device classes
bClassSuccess = GetNextClass(ClassIndex, &ClassGuid, &hDevInfo);
if (bClassSuccess)
{
bool bClassUnknown = false;
bool AddedParent = false;
INT DeviceIndex = 0;
bool MoreItems = false;
// Get the cached class node
ClassNode = GetClassNode(&ClassGuid);
if (ClassNode == nullptr)
{
ATLASSERT(FALSE);
ClassIndex++;
continue;
}
// Set a flag is this is the (special case) unknown class
if (IsEqualGUID(ClassGuid, GUID_DEVCLASS_UNKNOWN))
bClassUnknown = true;
// Check if this is a hidden class
if (IsEqualGUID(ClassGuid, GUID_DEVCLASS_LEGACYDRIVER) ||
IsEqualGUID(ClassGuid, GUID_DEVCLASS_VOLUME))
{
// Ignore this device if we aren't displaying hidden devices
if (m_ShowHidden == FALSE)
{
ClassIndex++;
continue;
}
}
do
{
// Get a handle to all the devices in this class
SP_DEVINFO_DATA DeviceInfoData;
ZeroMemory(&DeviceInfoData, sizeof(SP_DEVINFO_DATA));
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
bSuccess = SetupDiEnumDeviceInfo(hDevInfo,
DeviceIndex,
&DeviceInfoData);
if (bSuccess == FALSE && GetLastError() == ERROR_NO_MORE_ITEMS)
MoreItems = false;
if (bSuccess)
{
MoreItems = true;
// The unknown class handle contains all devices on the system,
// and we're just looking for the ones with a null GUID
if (bClassUnknown)
{
if (IsEqualGUID(DeviceInfoData.ClassGuid, GUID_NULL) == FALSE)
{
// This is a known device, we aren't interested in it
DeviceIndex++;
continue;
}
}
// Get the cached device node
DeviceNode = GetDeviceNode(DeviceInfoData.DevInst);
if (DeviceNode == nullptr)
{
ATLASSERT(bClassUnknown == true);
DeviceIndex++;
continue;
}
// Check if this is a hidden device
if (DeviceNode->IsHidden())
{
// Ignore this device if we aren't displaying hidden devices
if (m_ShowHidden == FALSE)
{
DeviceIndex++;
continue;
}
}
// We have a device, we need to add the parent if it hasn't yet been added
if (AddedParent == false)
{
// Insert the new class under the root item
hTreeItem = InsertIntoTreeView(m_hTreeRoot,
ClassNode);
AddedParent = true;
}
// Add the device under the class item node
(void)InsertIntoTreeView(hTreeItem, DeviceNode);
// Expand the class if it has a problem device
if (DeviceNode->HasProblem())
{
(void)TreeView_Expand(m_hTreeView,
hTreeItem,
TVE_EXPAND);
}
}
DeviceIndex++;
} while (MoreItems);
// If this class has devices, sort them alphabetically
if (AddedParent == true)
{
(void)TreeView_SortChildren(m_hTreeView,
hTreeItem,
0);
}
}
ClassIndex++;
} while (bClassSuccess);
// Sort the classes alphabetically
(void)TreeView_SortChildren(m_hTreeView,
m_hTreeRoot,
0);
// Expand the root item
(void)TreeView_Expand(m_hTreeView,
m_hTreeRoot,
TVE_EXPAND);
// Pre-select the root item
(VOID)TreeView_SelectItem(m_hTreeView,
m_hTreeRoot);
return 0;
}
bool
CDeviceView::AddRootDevice()
{
m_hTreeRoot = InsertIntoTreeView(NULL, m_RootNode);
return (m_hTreeRoot != NULL);
}
static HTREEITEM
AddDeviceToTree(HWND hTreeView,
HTREEITEM hRoot,
DEVINST dnDevInst,
BOOL bShowHidden)
{
TCHAR DevName[MAX_DEV_LEN];
TCHAR FriendlyName[MAX_DEV_LEN];
TCHAR ClassGuidString[MAX_GUID_STRING_LEN];
GUID ClassGuid;
ULONG ulLength;
LPTSTR DeviceID = NULL;
INT ClassImage = 24;
CONFIGRET cr;
ulLength = MAX_GUID_STRING_LEN * sizeof(TCHAR);
cr = CM_Get_DevNode_Registry_Property(dnDevInst,
CM_DRP_CLASSGUID,
NULL,
ClassGuidString,
&ulLength,
0);
if (cr == CR_SUCCESS)
{
pSetupGuidFromString(ClassGuidString, &ClassGuid);
if (bShowHidden == FALSE &&
(IsEqualGUID(&ClassGuid, &GUID_DEVCLASS_LEGACYDRIVER) ||
IsEqualGUID(&ClassGuid, &GUID_DEVCLASS_VOLUME)))
return NULL;
}
else
{
/* It's a device with no driver */
ClassGuid = GUID_DEVCLASS_UNKNOWN;
}
cr = CM_Get_Device_ID(dnDevInst,
DevName,
MAX_DEV_LEN,
0);
if (cr != CR_SUCCESS)
return NULL;
ulLength = MAX_DEV_LEN * sizeof(TCHAR);
cr = CM_Get_DevNode_Registry_Property(dnDevInst,
CM_DRP_FRIENDLYNAME,
NULL,
FriendlyName,
&ulLength,
0);
if (cr != CR_SUCCESS)
{
ulLength = MAX_DEV_LEN * sizeof(TCHAR);
cr = CM_Get_DevNode_Registry_Property(dnDevInst,
CM_DRP_DEVICEDESC,
NULL,
FriendlyName,
&ulLength,
0);
if (cr != CR_SUCCESS)
return NULL;
}
if (!SetupDiGetClassImageIndex(&ImageListData,
&ClassGuid,
&ClassImage))
{
/* FIXME: can we do this?
* Set the blank icon: IDI_SETUPAPI_BLANK = 41
* it'll be image 24 in the imagelist */
ClassImage = 24;
}
if (DevName != NULL)
{
DeviceID = HeapAlloc(GetProcessHeap(),
0,
(lstrlen(DevName) + 1) * sizeof(TCHAR));
if (DeviceID == NULL)
{
return NULL;
}
lstrcpy(DeviceID, DevName);
}
return InsertIntoTreeView(hTreeView,
hRoot,
FriendlyName,
DeviceID,
ClassImage,
0);
}
static
VOID
EnumDevices(
HWND hTreeView,
PDEVCLASS_ENTRY pClassArray,
ULONG ulClassCount,
BOOL bShowHidden)
{
HDEVINFO hDevInfo = INVALID_HANDLE_VALUE;
SP_DEVINFO_DATA DeviceInfoData;
ULONG Status, Problem;
DWORD DevIdSize;
TCHAR DeviceName[MAX_DEV_LEN];
DWORD DevIndex;
LPTSTR InstanceId;
PDEVCLASS_ENTRY pClass;
UINT OverlayImage;
CONFIGRET cr;
/* Get device info for all devices of a particular class */
hDevInfo = SetupDiGetClassDevs(NULL,
NULL,
NULL,
DIGCF_PRESENT | DIGCF_ALLCLASSES);
if (hDevInfo == INVALID_HANDLE_VALUE)
return;
for (DevIndex = 0; ; DevIndex++)
{
ZeroMemory(&DeviceInfoData, sizeof(SP_DEVINFO_DATA));
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
InstanceId = NULL;
DeviceName[0] = _T('\0');
OverlayImage = 0;
if (!SetupDiEnumDeviceInfo(hDevInfo,
DevIndex,
&DeviceInfoData))
break;
if (bShowHidden == FALSE &&
(IsEqualGUID(&DeviceInfoData.ClassGuid, &GUID_DEVCLASS_LEGACYDRIVER) ||
IsEqualGUID(&DeviceInfoData.ClassGuid, &GUID_DEVCLASS_VOLUME)))
continue;
pClass = GetClassFromClassGuid(pClassArray,
ulClassCount,
&DeviceInfoData.ClassGuid);
/* get the device ID */
if (!SetupDiGetDeviceInstanceId(hDevInfo,
&DeviceInfoData,
NULL,
0,
&DevIdSize))
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
InstanceId = (LPTSTR)HeapAlloc(GetProcessHeap(),
0,
DevIdSize * sizeof(TCHAR));
if (InstanceId != NULL)
{
if (!SetupDiGetDeviceInstanceId(hDevInfo,
&DeviceInfoData,
InstanceId,
DevIdSize,
NULL))
{
HeapFree(GetProcessHeap(),
0,
InstanceId);
InstanceId = NULL;
}
}
}
}
/* Skip the root device */
if (InstanceId != NULL &&
_tcscmp(InstanceId, _T("HTREE\\ROOT\\0")) == 0)
{
HeapFree(GetProcessHeap(),
0,
InstanceId);
InstanceId = NULL;
continue;
}
/* Get the device's friendly name */
if (!SetupDiGetDeviceRegistryProperty(hDevInfo,
&DeviceInfoData,
SPDRP_FRIENDLYNAME,
0,
(BYTE*)DeviceName,
MAX_DEV_LEN,
NULL))
{
/* If the friendly name fails, try the description instead */
SetupDiGetDeviceRegistryProperty(hDevInfo,
&DeviceInfoData,
SPDRP_DEVICEDESC,
0,
(BYTE*)DeviceName,
MAX_DEV_LEN,
NULL);
}
cr = CM_Get_DevNode_Status_Ex(&Status,
&Problem,
DeviceInfoData.DevInst,
0,
NULL);
if ((cr == CR_SUCCESS) &&
(Status & DN_HAS_PROBLEM))
{
if (Problem == CM_PROB_DISABLED ||
Problem == CM_PROB_HARDWARE_DISABLED)
OverlayImage = 2;
else
OverlayImage = 1;
}
InsertIntoTreeView(hTreeView,
pClass->hItem,
DeviceName,
InstanceId,
pClass->ClassImage,
OverlayImage);
if (OverlayImage != 0)
{
/* Expand the class if the device has a problem */
(void)TreeView_Expand(hTreeView,
pClass->hItem,
TVE_EXPAND);
}
pClass->bUsed = TRUE;
}
if (hDevInfo != INVALID_HANDLE_VALUE)
SetupDiDestroyDeviceInfoList(hDevInfo);
}
static
VOID
EnumDeviceClasses(
HWND hTreeView,
HTREEITEM hRoot,
PDEVCLASS_ENTRY pClassArray,
ULONG ClassCount)
{
WCHAR ClassName[MAX_DEV_LEN];
WCHAR ClassDesc[MAX_DEV_LEN];
PDEVCLASS_ENTRY pClass;
ULONG ClassIndex;
DWORD dwSize;
LONG lSize;
HKEY hKey;
CONFIGRET cr;
for (ClassIndex = 0; ClassIndex < ClassCount; ClassIndex++)
{
pClass = &pClassArray[ClassIndex];
cr = CM_Enumerate_Classes(ClassIndex,
&pClass->ClassGuid,
0);
if (cr == CR_NO_SUCH_VALUE)
return;
dwSize = MAX_CLASS_NAME_LEN;
if (!SetupDiClassNameFromGuid(&pClass->ClassGuid,
ClassName,
dwSize,
&dwSize))
{
ClassName[0] = _T('\0');
}
if (!SetupDiGetClassImageIndex(&ImageListData,
&pClass->ClassGuid,
&pClass->ClassImage))
{
/* FIXME: can we do this?
* Set the blank icon: IDI_SETUPAPI_BLANK = 41
* it'll be image 24 in the imagelist */
pClass->ClassImage = 24;
}
hKey = SetupDiOpenClassRegKeyEx(&pClass->ClassGuid,
MAXIMUM_ALLOWED,
DIOCR_INSTALLER,
NULL,
0);
if (hKey != INVALID_HANDLE_VALUE)
{
lSize = MAX_DEV_LEN;
if (RegQueryValue(hKey,
NULL,
ClassDesc,
&lSize) != ERROR_SUCCESS)
{
ClassDesc[0] = _T('\0');
}
RegCloseKey(hKey);
}
pClass->hItem = InsertIntoTreeView(hTreeView,
hRoot,
(ClassDesc[0] != _T('\0')) ? ClassDesc : ClassName,
NULL,
pClass->ClassImage,
0);
}
}
VOID
CDeviceView::RecurseChildDevices(
_In_ DEVINST ParentDevice,
_In_ HTREEITEM hParentTreeItem
)
{
HTREEITEM hDevItem = NULL;
DEVINST Device;
WCHAR DeviceName[DEVICE_NAME_LEN];
LPTSTR DeviceId = NULL;
INT ClassImage;
BOOL IsUnknown = FALSE;
BOOL IsHidden = FALSE;
ULONG DeviceStatus = 0;
ULONG ProblemNumber = 0;
UINT OverlayImage = 0;
BOOL bSuccess;
/* Check if the parent has any child devices */
if (m_Devices->GetChildDevice(ParentDevice, &Device) == FALSE)
return;
/* Lookup the info about this device */
bSuccess = m_Devices->GetDevice(Device,
DeviceName,
DEVICE_NAME_LEN,
&DeviceId,
&ClassImage,
&DeviceStatus,
&ProblemNumber);
if (bSuccess)
{
/* Check if this is a hidden device */
if ((m_ShowHidden == TRUE) || (!(DeviceStatus & DN_NO_SHOW_IN_DM)))
{
/* Check if the device has a problem */
if (DeviceStatus & DN_HAS_PROBLEM)
{
OverlayImage = 1;
}
/* The disabled overlay takes precidence over the problem overlay */
if (ProblemNumber == CM_PROB_HARDWARE_DISABLED)
{
OverlayImage = 2;
}
/* Add this device to the tree under its parent */
hDevItem = InsertIntoTreeView(hParentTreeItem,
DeviceName,
(LPARAM)DeviceId,
ClassImage,
0);
if (hDevItem)
{
/* Check if this child has any children itself */
RecurseChildDevices(Device, hDevItem);
}
}
}
for (;;)
{
/* Check if the parent device has anything at the same level */
bSuccess = m_Devices->GetSiblingDevice(Device, &Device);
if (bSuccess == FALSE) break;
/* Lookup the info about this device */
bSuccess = m_Devices->GetDevice(Device,
DeviceName,
DEVICE_NAME_LEN,
&DeviceId,
&ClassImage,
&DeviceStatus,
&ProblemNumber);
if (bSuccess)
{
/* Check if this is a hidden device */
if (DeviceStatus & DN_NO_SHOW_IN_DM)
{
if (m_ShowHidden == FALSE)
continue;
}
/* Check if the device has a problem */
if (DeviceStatus & DN_HAS_PROBLEM)
{
OverlayImage = 1;
}
/* The disabled overlay takes precidence over the problem overlay */
if (ProblemNumber == CM_PROB_HARDWARE_DISABLED)
{
OverlayImage = 2;
}
/* Add this device to the tree under its parent */
hDevItem = InsertIntoTreeView(hParentTreeItem,
DeviceName,
(LPARAM)DeviceId,
ClassImage,
0);
if (hDevItem)
{
/* Check if this child has any children itself */
RecurseChildDevices(Device, hDevItem);
}
}
}
(void)TreeView_SortChildren(m_hTreeView,
hParentTreeItem,
0);
}
BOOL
CDeviceView::ListDevicesByType()
{
HTREEITEM hDevItem = NULL;
GUID ClassGuid;
WCHAR ClassName[CLASS_NAME_LEN];
WCHAR ClassDescription[CLASS_DESC_LEN];
INT ClassIndex;
INT ClassImage;
LPTSTR DeviceId = NULL;
BOOL bSuccess;
/* Get the details of the root of the device tree */
bSuccess = m_Devices->GetDeviceTreeRoot(ClassName, CLASS_NAME_LEN, &ClassImage);
if (bSuccess)
{
/* Add the root of the device tree to the treeview */
m_hTreeRoot = InsertIntoTreeView(NULL,
ClassName,
NULL,
ClassImage,
0);
}
/* If something went wrong, bail */
if (m_hTreeRoot == NULL) return FALSE;
ClassIndex = 0;
do
{
/* Get the next device class */
bSuccess = m_Devices->EnumClasses(ClassIndex,
&ClassGuid,
ClassName,
CLASS_NAME_LEN,
ClassDescription,
CLASS_DESC_LEN,
&ClassImage);
if (bSuccess)
{
BOOL bDevSuccess, AddedParent;
HANDLE Handle = NULL;
WCHAR DeviceName[DEVICE_NAME_LEN];
INT DeviceIndex = 0;
BOOL MoreItems = FALSE;
BOOL DeviceHasProblem = FALSE;
ULONG DeviceStatus = 0;
ULONG ProblemNumber = 0;
ULONG OverlayImage = 0;
AddedParent = FALSE;
do
{
/* Enum all the devices that belong to this class */
bDevSuccess = m_Devices->EnumDevicesForClass(&Handle,
&ClassGuid,
DeviceIndex,
&MoreItems,
DeviceName,
DEVICE_NAME_LEN,
&DeviceId,
&DeviceStatus,
&ProblemNumber);
if (bDevSuccess)
{
/* Check if this is a hidden device */
if (DeviceStatus & DN_NO_SHOW_IN_DM)
{
if (m_ShowHidden == FALSE)
{
DeviceIndex++;
continue;
}
}
/* Check if the device has a problem */
if (DeviceStatus & DN_HAS_PROBLEM)
{
DeviceHasProblem = TRUE;
OverlayImage = 1;
}
/* The disabled overlay takes precidence over the problem overlay */
if (ProblemNumber == CM_PROB_HARDWARE_DISABLED)
{
OverlayImage = 2;
}
/* We have a device, we're gonna need to add the parent first */
if (AddedParent == FALSE)
{
/* Insert the new class under the root item */
hDevItem = InsertIntoTreeView(m_hTreeRoot,
ClassDescription,
NULL,
ClassImage,
0);
/* Don't add it again */
AddedParent = TRUE;
}
/* Add the device under the class item */
(VOID)InsertIntoTreeView(hDevItem,
DeviceName,
(LPARAM)DeviceId,
ClassImage,
OverlayImage);
/* Check if there's a problem with the device */
if (DeviceHasProblem)
{
/* Expand the class */
(VOID)TreeView_Expand(m_hTreeView,
hDevItem,
TVE_EXPAND);
}
}
DeviceIndex++;
} while (MoreItems);
/* Check if this class has any devices */
if (AddedParent == TRUE)
{
/* Sort the devices alphabetically */
(VOID)TreeView_SortChildren(m_hTreeView,
hDevItem,
0);
}
}
ClassIndex++;
} while (bSuccess);
/* Sort the classes alphabetically */
(VOID)TreeView_SortChildren(m_hTreeView,
m_hTreeRoot,
0);
/* Expand the root item */
(VOID)TreeView_Expand(m_hTreeView,
m_hTreeRoot,
TVE_EXPAND);
/* Pre-select the root item */
(VOID)TreeView_SelectItem(m_hTreeView,
m_hTreeRoot);
return 0;
}
