Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation
//
// File: hotplug.cpp
//
//--------------------------------------------------------------------------
#include "HotPlug.h"
TCHAR szUnknown[64];
TCHAR szHotPlugFlags[]=TEXT("HotPlugFlags");
TCHAR HOTPLUG_NOTIFY_CLASS_NAME[] = TEXT("HotPlugNotifyClass");
typedef int
(*PDEVICEPROPERTIES)(
HWND hwndParent,
LPTSTR MachineName,
LPTSTR DeviceID,
BOOL ShowDeviceTree
);
//
// colors used to highlight removal relationships for selected device
//
COLORREF RemovalImageBkColor;
COLORREF NormalImageBkColor;
COLORREF RemovalTextColor;
HWND g_hwndNotify = NULL;
HMODULE hDevMgr=NULL;
PDEVICEPROPERTIES pDeviceProperties = NULL;
#define IDH_DISABLEHELP ((DWORD)(-1))
#define IDH_hwwizard_devices_list 15301 // (SysTreeView32)
#define idh_hwwizard_stop 15305 // "&Stop" (Button)
#define idh_hwwizard_display_components 15307 // "&Display device components" (Button)
#define idh_hwwizard_properties 15311 // "&Properties" (Button)
#define idh_hwwizard_close 15309 // "&Close" (Button)
DWORD UnplugtHelpIDs[] = {
IDC_STOPDEVICE, idh_hwwizard_stop, // "&Stop" (Button)
IDC_PROPERTIES, idh_hwwizard_properties, // "&Properties" (Button)
IDC_VIEWOPTION, idh_hwwizard_display_components, // "&Display device components" (Button)
IDC_DEVICETREE, IDH_hwwizard_devices_list, // "" (SysTreeView32)
IDCLOSE, idh_hwwizard_close,
IDC_HDWDEVICES, NO_HELP,
IDC_NOHELP1, NO_HELP,
IDC_NOHELP2, NO_HELP,
IDC_NOHELP3, NO_HELP,
IDC_DEVICEDESC, NO_HELP,
0,0
};
void
OnRemoveDevice(
HWND hDlg,
PDEVICETREE DeviceTree
)
{
PDEVTREENODE DeviceTreeNode;
DeviceTreeNode = DeviceTree->ChildRemovalList;
if (!DeviceTreeNode) {
return;
}
//
// Confirm with the user that they really want
// to remove this device and all of its attached devices.
// The dialog returns standard IDOK, IDCANCEL etc. for results.
// if anything besides IDOK don't do anything.
//
DialogBoxParam(hHotPlug,
MAKEINTRESOURCE(DLG_CONFIRMREMOVE),
hDlg,
RemoveConfirmDlgProc,
(LPARAM)DeviceTree
);
return;
}
void
OnTvnSelChanged(
PDEVICETREE DeviceTree,
NM_TREEVIEW *nmTreeView
)
{
PDEVTREENODE DeviceTreeNode = (PDEVTREENODE)(nmTreeView->itemNew.lParam);
PTCHAR DeviceName;
ULONG DevNodeStatus, Problem;
CONFIGRET ConfigRet;
TCHAR Buffer[MAX_PATH*2];
if (DeviceTree->RedrawWait) {
return;
}
//
// Clear Removal list for previously selected Node
//
ClearRemovalList(DeviceTree);
//
// Save the selected treenode.
//
DeviceTree->SelectedTreeNode = DeviceTreeNode;
//
// No device is selected
//
if (!DeviceTreeNode) {
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_STOPDEVICE), FALSE);
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_PROPERTIES), FALSE);
SetDlgItemText(DeviceTree->hDlg, IDC_DEVICEDESC, TEXT(""));
return;
}
//
// reset the text for the selected item
//
DeviceName = FetchDeviceName(DeviceTreeNode);
if (!DeviceName) {
DeviceName = szUnknown;
}
StringCchPrintf(Buffer,
SIZECHARS(Buffer),
TEXT("%s %s"),
DeviceName,
DeviceTreeNode->Location ? DeviceTreeNode->Location : TEXT("")
);
SetDlgItemText(DeviceTree->hDlg, IDC_DEVICEDESC, Buffer);
//
// Turn on the stop\eject button, and set text accordingly.
//
ConfigRet = CM_Get_DevNode_Status_Ex(&DevNodeStatus,
&Problem,
DeviceTreeNode->DevInst,
0,
NULL
);
if (ConfigRet != CR_SUCCESS) {
DevNodeStatus = 0;
Problem = 0;
}
//
// Any removable (but not surprise removable) device is OK, except
// if the user already removed it.
//
if (Problem != CM_PROB_HELD_FOR_EJECT) {
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_STOPDEVICE), TRUE);
} else {
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_STOPDEVICE), FALSE);
}
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_PROPERTIES), TRUE);
//
// reset the overlay icons if device state has changed
//
if (DeviceTreeNode->Problem != Problem || DeviceTreeNode->DevNodeStatus != DevNodeStatus) {
TV_ITEM tv;
tv.mask = TVIF_STATE;
tv.stateMask = TVIS_OVERLAYMASK;
tv.hItem = DeviceTreeNode->hTreeItem;
if (DeviceTreeNode->Problem == CM_PROB_DISABLED) {
tv.state = INDEXTOOVERLAYMASK(IDI_DISABLED_OVL - IDI_CLASSICON_OVERLAYFIRST + 1);
} else if (DeviceTreeNode->Problem) {
tv.state = INDEXTOOVERLAYMASK(IDI_PROBLEM_OVL - IDI_CLASSICON_OVERLAYFIRST + 1);
} else {
tv.state = INDEXTOOVERLAYMASK(0);
}
TreeView_SetItem(DeviceTree->hwndTree, &tv);
}
//
// Starting from the TopLevel removal node, build up the removal lists
//
DeviceTreeNode = TopLevelRemovalNode(DeviceTree, DeviceTreeNode);
//
// Add devices to ChildRemoval list
//
DeviceTree->ChildRemovalList = DeviceTreeNode;
DeviceTreeNode->NextChildRemoval = DeviceTreeNode;
InvalidateTreeItemRect(DeviceTree->hwndTree, DeviceTreeNode->hTreeItem);
AddChildRemoval(DeviceTree, &DeviceTreeNode->ChildSiblingList);
//
// Add eject amd removal relations
//
AddEjectToRemoval(DeviceTree);
}
int
OnCustomDraw(
HWND hDlg,
PDEVICETREE DeviceTree,
LPNMTVCUSTOMDRAW nmtvCustomDraw
)
{
PDEVTREENODE DeviceTreeNode = (PDEVTREENODE)(nmtvCustomDraw->nmcd.lItemlParam);
UNREFERENCED_PARAMETER(hDlg);
if (nmtvCustomDraw->nmcd.dwDrawStage == CDDS_PREPAINT) {
return CDRF_NOTIFYITEMDRAW;
}
//
// If this node is in the Removal list, then do special
// highlighting.
//
if (DeviceTreeNode->NextChildRemoval) {
//
// set text color if its not the selected item
//
if (DeviceTree->SelectedTreeNode != DeviceTreeNode) {
nmtvCustomDraw->clrText = RemovalTextColor;
}
//
// Highlight the image-icon background
//
ImageList_SetBkColor(DeviceTree->ClassImageList.ImageList,
RemovalImageBkColor
);
} else {
//
// Normal image-icon background
//
ImageList_SetBkColor(DeviceTree->ClassImageList.ImageList,
NormalImageBkColor
);
}
return CDRF_DODEFAULT;
}
void
OnSysColorChange(
HWND hDlg,
PDEVICETREE DeviceTree
)
{
COLORREF ColorWindow, ColorHighlight;
BYTE Red, Green, Blue;
UNREFERENCED_PARAMETER(hDlg);
//
// Fetch the colors used for removal highlighting
//
ColorWindow = GetSysColor(COLOR_WINDOW);
ColorHighlight = GetSysColor(COLOR_HIGHLIGHT);
Red = (BYTE)(((WORD)GetRValue(ColorWindow) + (WORD)GetRValue(ColorHighlight)) >> 1);
Green = (BYTE)(((WORD)GetGValue(ColorWindow) + (WORD)GetGValue(ColorHighlight)) >> 1);
Blue = (BYTE)(((WORD)GetBValue(ColorWindow) + (WORD)GetBValue(ColorHighlight)) >> 1);
RemovalImageBkColor = RGB(Red, Green, Blue);
RemovalTextColor = ColorHighlight;
NormalImageBkColor = ColorWindow;
//
// Update the ImageList Background color
//
if (DeviceTree->ClassImageList.cbSize) {
ImageList_SetBkColor(DeviceTree->ClassImageList.ImageList,
ColorWindow
);
}
}
void
OnTvnItemExpanding(
HWND hDlg,
NM_TREEVIEW *nmTreeView
)
{
PDEVTREENODE DeviceTreeNode = (PDEVTREENODE)(nmTreeView->itemNew.lParam);
//
// don't allow collapse of root items with children
//
if (!DeviceTreeNode->ParentNode &&
(nmTreeView->action == TVE_COLLAPSE ||
nmTreeView->action == TVE_COLLAPSERESET ||
(nmTreeView->action == TVE_TOGGLE &&
(nmTreeView->itemNew.state & TVIS_EXPANDED))) ) {
SetDlgMsgResult(hDlg, WM_NOTIFY, TRUE);
} else {
SetDlgMsgResult(hDlg, WM_NOTIFY, FALSE);
}
}
void
OnContextMenu(
HWND hDlg,
PDEVICETREE DeviceTree
)
{
int IdCmd;
POINT ptPopup;
RECT rect;
HMENU hMenu;
PDEVTREENODE DeviceTreeNode;
TCHAR Buffer[MAX_PATH];
DeviceTreeNode = DeviceTree->SelectedTreeNode;
if (!DeviceTreeNode) {
return;
}
TreeView_GetItemRect(DeviceTree->hwndTree,
DeviceTreeNode->hTreeItem,
&rect,
TRUE
);
ptPopup.x = (rect.left+rect.right)/2;
ptPopup.y = (rect.top+rect.bottom)/2;
ClientToScreen(DeviceTree->hwndTree, &ptPopup);
hMenu = CreatePopupMenu();
if (!hMenu) {
return;
}
//
// if device is running add stop item
//
if (DeviceTreeNode->DevNodeStatus & DN_STARTED) {
LoadString(hHotPlug,
IDS_STOP,
Buffer,
SIZECHARS(Buffer)
);
AppendMenu(hMenu, MF_STRING, IDC_STOPDEVICE, Buffer);
}
//
// add Properties item (link to device mgr).
//
LoadString(hHotPlug,
IDS_PROPERTIES,
Buffer,
SIZECHARS(Buffer)
);
AppendMenu(hMenu, MF_STRING, IDC_PROPERTIES, Buffer);
IdCmd = TrackPopupMenu(hMenu,
TPM_RETURNCMD | TPM_RIGHTBUTTON | TPM_LEFTALIGN | TPM_NONOTIFY,
ptPopup.x,
ptPopup.y,
0,
hDlg,
NULL
);
DestroyMenu(hMenu);
if (!IdCmd) {
return;
}
switch (IdCmd) {
case IDC_STOPDEVICE:
OnRemoveDevice(hDlg, DeviceTree);
break;
case IDC_PROPERTIES: {
if (pDeviceProperties) {
(*pDeviceProperties)(
hDlg,
NULL,
DeviceTreeNode->InstanceId,
FALSE
);
}
}
break;
}
return;
}
void
OnRightClick(
HWND hDlg,
PDEVICETREE DeviceTree,
NMHDR * nmhdr
)
{
DWORD dwPos;
TV_ITEM tvi;
TV_HITTESTINFO tvht;
PDEVTREENODE DeviceTreeNode;
UNREFERENCED_PARAMETER(hDlg);
if (nmhdr->hwndFrom != DeviceTree->hwndTree) {
return;
}
dwPos = GetMessagePos();
tvht.pt.x = LOWORD(dwPos);
tvht.pt.y = HIWORD(dwPos);
ScreenToClient(DeviceTree->hwndTree, &tvht.pt);
tvi.hItem = TreeView_HitTest(DeviceTree->hwndTree, &tvht);
if (!tvi.hItem) {
return;
}
tvi.mask = TVIF_PARAM;
if (!TreeView_GetItem(DeviceTree->hwndTree, &tvi)) {
return;
}
DeviceTreeNode = (PDEVTREENODE)tvi.lParam;
if (!DeviceTreeNode) {
return;
}
//
// Make the current right click item, the selected item
//
if (DeviceTreeNode != DeviceTree->SelectedTreeNode) {
TreeView_SelectItem(DeviceTree->hwndTree, DeviceTreeNode->hTreeItem);
}
}
void
OnViewOptionClicked(
HWND hDlg,
PDEVICETREE DeviceTree
)
{
BOOL bChecked;
DWORD HotPlugFlags, NewFlags;
HKEY hKey = NULL;
//
// checked means "show complex view"
//
bChecked = IsDlgButtonChecked(hDlg, IDC_VIEWOPTION);
//
// Update HotPlugs registry if needed.
//
NewFlags = HotPlugFlags = GetHotPlugFlags(&hKey);
if (hKey) {
if (bChecked) {
NewFlags |= HOTPLUG_REGFLAG_VIEWALL;
} else {
NewFlags &= ~HOTPLUG_REGFLAG_VIEWALL;
}
if (NewFlags != HotPlugFlags) {
RegSetValueEx(hKey,
szHotPlugFlags,
0,
REG_DWORD,
(LPBYTE)&NewFlags,
sizeof(NewFlags)
);
}
if (hKey) {
RegCloseKey(hKey);
}
}
if (!DeviceTree->ComplexView && bChecked) {
DeviceTree->ComplexView = TRUE;
} else if (DeviceTree->ComplexView && !bChecked) {
DeviceTree->ComplexView = FALSE;
} else {
// we are in the correct state, nothing to do.
return;
}
//
// redraw the entire tree.
//
RefreshTree(DeviceTree);
return;
}
LRESULT
hotplugNotifyWndProc(
HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
HWND hMainWnd;
hMainWnd = (HWND)GetWindowLongPtr(hWnd, GWLP_USERDATA);
switch (uMsg) {
case WM_CREATE:
hMainWnd = (HWND)((CREATESTRUCT*)lParam)->lpCreateParams;
SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)hMainWnd);
break;
case WM_DEVICECHANGE:
if (DBT_DEVNODES_CHANGED == wParam) {
//
// While we are in WM_DEVICECHANGE context,
// no CM apis can be called because it would
// deadlock. Here, we schedule a timer so that
// we can handle the message later on.
//
SetTimer(hMainWnd, TIMERID_DEVICECHANGE, 1000, NULL);
}
break;
default:
break;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
BOOL
CreateNotifyWindow(
HWND hWnd
)
{
WNDCLASS wndClass;
if (!GetClassInfo(hHotPlug, HOTPLUG_NOTIFY_CLASS_NAME, &wndClass)) {
ZeroMemory(&wndClass, sizeof(wndClass));
wndClass.lpfnWndProc = hotplugNotifyWndProc;
wndClass.hInstance = hHotPlug;
wndClass.lpszClassName = HOTPLUG_NOTIFY_CLASS_NAME;
if (!RegisterClass(&wndClass)) {
return FALSE;
}
}
g_hwndNotify = CreateWindowEx(WS_EX_TOOLWINDOW,
HOTPLUG_NOTIFY_CLASS_NAME,
TEXT(""),
WS_DLGFRAME | WS_BORDER | WS_DISABLED,
CW_USEDEFAULT,
CW_USEDEFAULT,
0,
0,
NULL,
NULL,
hHotPlug,
(void *)hWnd
);
return(NULL != g_hwndNotify);
}
BOOL
InitDevTreeDlgProc(
HWND hDlg,
PDEVICETREE DeviceTree
)
{
CONFIGRET ConfigRet;
HWND hwndTree;
DWORD HotPlugFlags;
HICON hIcon;
HWND hwndParent;
DeviceTree->AllowRefresh = TRUE;
CreateNotifyWindow(hDlg);
hDevMgr = LoadLibrary(TEXT("devmgr.dll"));
if (hDevMgr) {
pDeviceProperties = (PDEVICEPROPERTIES)GetProcAddress(hDevMgr, "DevicePropertiesW");
}
hIcon = LoadIcon(hHotPlug,MAKEINTRESOURCE(IDI_HOTPLUGICON));
if (hIcon) {
SendMessage(hDlg, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
SendMessage(hDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
}
hwndParent = GetParent(hDlg);
if (hwndParent) {
SendMessage(hwndParent, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
SendMessage(hwndParent, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
}
DeviceTree->hDlg = hDlg;
DeviceTree->hwndTree = hwndTree = GetDlgItem(hDlg, IDC_DEVICETREE);
LoadString(hHotPlug,
IDS_UNKNOWN,
(PTCHAR)szUnknown,
SIZECHARS(szUnknown)
);
//
// Disable the Stop button, until an item is selected.
//
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_STOPDEVICE), FALSE);
EnableWindow(GetDlgItem(DeviceTree->hDlg, IDC_PROPERTIES), FALSE);
//
// Get the Class Icon Image Lists
//
DeviceTree->ClassImageList.cbSize = sizeof(SP_CLASSIMAGELIST_DATA);
if (SetupDiGetClassImageList(&DeviceTree->ClassImageList)) {
TreeView_SetImageList(hwndTree, DeviceTree->ClassImageList.ImageList, TVSIL_NORMAL);
} else {
DeviceTree->ClassImageList.cbSize = 0;
}
OnSysColorChange(hDlg, DeviceTree);
HotPlugFlags = GetHotPlugFlags(NULL);
if (HotPlugFlags & HOTPLUG_REGFLAG_VIEWALL) {
DeviceTree->ComplexView = TRUE;
CheckDlgButton(hDlg, IDC_VIEWOPTION, BST_CHECKED);
} else {
DeviceTree->ComplexView = FALSE;
CheckDlgButton(hDlg, IDC_VIEWOPTION, BST_UNCHECKED);
}
//
// Get the root devnode.
//
ConfigRet = CM_Locate_DevNode_Ex(&DeviceTree->DevInst,
NULL,
CM_LOCATE_DEVNODE_NORMAL,
NULL
);
if (ConfigRet != CR_SUCCESS) {
return FALSE;
}
RefreshTree(DeviceTree);
if (DeviceTree->EjectDeviceInstanceId) {
DEVINST EjectDevInst;
PDEVTREENODE DeviceTreeNode;
//
// we are removing a specific device, find it
// and post a message to trigger device removal.
//
ConfigRet = CM_Locate_DevNode_Ex(&EjectDevInst,
DeviceTree->EjectDeviceInstanceId,
CM_LOCATE_DEVNODE_NORMAL,
NULL
);
if (ConfigRet != CR_SUCCESS) {
return FALSE;
}
DeviceTreeNode = DevTreeNodeByDevInst(EjectDevInst,
&DeviceTree->ChildSiblingList
);
if (!DeviceTreeNode) {
return FALSE;
}
TreeView_SelectItem(hwndTree, DeviceTreeNode->hTreeItem);
PostMessage(hDlg, WUM_EJECTDEVINST, 0, 0);
} else {
ShowWindow(hDlg, SW_SHOW);
}
return TRUE;
}
void
OnContextHelp(
LPHELPINFO HelpInfo,
PDWORD ContextHelpIDs
)
{
//
// Define an array of dword pairs,
// where the first of each pair is the control ID,
// and the second is the context ID for a help topic,
// which is used in the help file.
//
if (HelpInfo->iContextType == HELPINFO_WINDOW) { // must be for a control
WinHelp((HWND)HelpInfo->hItemHandle,
TEXT("hardware.hlp"),
HELP_WM_HELP,
(DWORD_PTR)(void *)ContextHelpIDs
);
}
}
INT_PTR CALLBACK DevTreeDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
PDEVICETREE DeviceTree = NULL;
if (message == WM_INITDIALOG) {
DeviceTree = (PDEVICETREE)lParam;
SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)DeviceTree);
if (DeviceTree) {
InitDevTreeDlgProc(hDlg, DeviceTree);
}
return TRUE;
}
DeviceTree = (PDEVICETREE)GetWindowLongPtr(hDlg, DWLP_USER);
switch (message) {
case WM_DESTROY:
//
// Destroy the Notification Window
//
if (g_hwndNotify && IsWindow(g_hwndNotify)) {
DestroyWindow(g_hwndNotify);
g_hwndNotify = NULL;
}
//
// Clear the DeviceTree
//
TreeView_DeleteAllItems(DeviceTree->hwndTree);
//
// Clean up the class image list.
//
if (DeviceTree->ClassImageList.cbSize) {
SetupDiDestroyClassImageList(&DeviceTree->ClassImageList);
DeviceTree->ClassImageList.cbSize = 0;
}
//
// Clean up the device tree
//
ClearRemovalList(DeviceTree);
RemoveChildSiblings(DeviceTree, &DeviceTree->ChildSiblingList);
if (hDevMgr) {
FreeLibrary(hDevMgr);
hDevMgr = NULL;
pDeviceProperties = NULL;
}
break;
case WM_CLOSE:
SendMessage(hDlg, WM_COMMAND, IDCANCEL, 0L);
break;
case WM_COMMAND:
{
UINT Control = GET_WM_COMMAND_ID(wParam, lParam);
UINT Cmd = GET_WM_COMMAND_CMD(wParam, lParam);
switch (Control) {
case IDC_VIEWOPTION:
if (Cmd == BN_CLICKED) {
OnViewOptionClicked(hDlg, DeviceTree);
}
break;
case IDC_STOPDEVICE:
OnRemoveDevice(hDlg, DeviceTree);
break;
case IDOK: // enter -> default to expand\collapse the selected tree node
if (DeviceTree->SelectedTreeNode) {
TreeView_Expand(DeviceTree->hwndTree,
DeviceTree->SelectedTreeNode->hTreeItem, TVE_TOGGLE);
}
break;
case IDC_PROPERTIES:
if (DeviceTree->SelectedTreeNode && pDeviceProperties) {
(*pDeviceProperties)(hDlg,
NULL,
DeviceTree->SelectedTreeNode->InstanceId, FALSE);
}
break;
case IDCLOSE:
case IDCANCEL:
EndDialog(hDlg, IDCANCEL);
break;
}
}
break;
// Listen for Tree notifications
case WM_NOTIFY:
switch (((NMHDR *)lParam)->code) {
case TVN_SELCHANGED:
OnTvnSelChanged(DeviceTree, (NM_TREEVIEW *)lParam);
break;
case TVN_ITEMEXPANDING:
OnTvnItemExpanding(hDlg, (NM_TREEVIEW *)lParam);
break;
case TVN_KEYDOWN:
{
TV_KEYDOWN *tvKeyDown = (TV_KEYDOWN *)lParam;
if (tvKeyDown->wVKey == VK_DELETE) {
OnRemoveDevice(hDlg, DeviceTree);
}
}
break;
case NM_CUSTOMDRAW:
if (IDC_DEVICETREE == ((NMHDR *)lParam)->idFrom) {
SetDlgMsgResult(hDlg, WM_NOTIFY, OnCustomDraw(hDlg, DeviceTree, (NMTVCUSTOMDRAW *)lParam));
}
break;
case NM_RETURN:
// we don't get this in a dialog, see IDOK
break;
case NM_DBLCLK:
OnRemoveDevice(hDlg, DeviceTree);
SetDlgMsgResult(hDlg, WM_NOTIFY, TRUE);
break;
case NM_RCLICK:
OnRightClick(hDlg, DeviceTree, (NMHDR *)lParam);
break;
default:
return FALSE;
}
break;
case WUM_EJECTDEVINST:
OnRemoveDevice(hDlg, DeviceTree);
EndDialog(hDlg, IDCANCEL);
break;
case WM_SYSCOLORCHANGE:
HotPlugPropagateMessage(hDlg, message, wParam, lParam);
OnSysColorChange(hDlg,DeviceTree);
break;
case WM_TIMER:
if (TIMERID_DEVICECHANGE == wParam) {
KillTimer(hDlg, TIMERID_DEVICECHANGE);
DeviceTree->RefreshEvent = TRUE;
if (DeviceTree->AllowRefresh) {
OnTimerDeviceChange(DeviceTree);
}
}
break;
case WM_SETCURSOR:
if (DeviceTree->RedrawWait || DeviceTree->RefreshEvent) {
SetCursor(LoadCursor(NULL, IDC_WAIT));
SetWindowLongPtr(hDlg, DWLP_MSGRESULT, 1);
break;
}
return FALSE;
case WM_CONTEXTMENU:
//
// handle kbd- shift-F10, mouse rclick is invoked from NM_RCLICK
//
if ((HWND)wParam == DeviceTree->hwndTree) {
OnContextMenu(hDlg, DeviceTree);
break;
} else {
WinHelp((HWND)wParam, TEXT("hardware.hlp"), HELP_CONTEXTMENU,
(DWORD_PTR)(void *)(PDWORD)UnplugtHelpIDs);
}
return FALSE;
case WM_HELP:
OnContextHelp((LPHELPINFO)lParam, (PDWORD)UnplugtHelpIDs);
break;
default:
return FALSE;
}
return TRUE;
}