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;
}
bool
CDeviceView::ListDevicesByConnection()
{
// Walk the device tree and add all the devices
(void)RecurseChildDevices(m_RootNode->GetDeviceInst(), m_hTreeRoot);
// Expand the root item
(void)TreeView_Expand(m_hTreeView,
m_hTreeRoot,
TVE_EXPAND);
return true;
}
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;
}
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);
}
