// ------------------------------------------------------
//
// Internal Methods
//
// ------------------------------------------------------
#region Internal Methods
// Create a WindowsToolbar instance. Needs to be internal because
// ApplicationWindow pattern needs to call this so needs to be internal
internal ProxySimple CreateToolbarItem(int item)
{
NativeMethods.TBBUTTON tbb = new NativeMethods.TBBUTTON();
// During the FocusChanged WinEvent (EVENT_OBJECT_FOCUS),
// some "ToolbarWindow32" children report an item ID (child id)
// of 0x80000001, 0x80000002, etc. instead of 1, 2, etc.
// However, when created as children of the parent toolbar,
// these same items are assigned IDs of 1, 2, etc.
// Therefore, map negative item IDs of the form 0x80000001,
// 0x80000002, etc. to 1, 2, etc.
item = (int)(~0x80000000 & (uint)item);
if (!XSendMessage.GetItem(_hwnd, item, ref tbb))
{
// If failed to get button infromation the button must not exist, so return null.
return(null);
}
if (Misc.ProxySendMessageInt(_hwnd, NativeMethods.TB_ISBUTTONHIDDEN, new IntPtr(tbb.idCommand), IntPtr.Zero) == 0)
{
Accessible acc = Accessible.CreateNativeFromEvent(_hwnd, NativeMethods.OBJID_CLIENT, item + 1);
if (acc != null)
{
if (acc.Role == AccessibleRole.MenuItem)
{
return(new ToolbarItemAsMenuItem(_hwnd, this, item, tbb.idCommand, acc));
}
}
return(new ToolbarItem(_hwnd, this, item, tbb.idCommand));
}
return(null);
}
public NativeMethods.TBBUTTON GetTBBUTTON(int command)
{
NativeMethods.TBBUTTON btn = new NativeMethods.TBBUTTON();
btn.fsStyle = NativeMethods.TBSTYLE_BUTTON | NativeMethods.TBSTYLE_AUTOSIZE;//| NativeMethods.TBSTYLE_DROPDOWN;
btn.dwData = (IntPtr)0;
btn.idCommand = command;
btn.iString = (IntPtr)(-1);
if (!string.IsNullOrEmpty(text))
{
btn.iString = Marshal.StringToHGlobalAuto(text + "\0\0");
}
if (mchecked)
{
btn.fsState |= NativeMethods.TBSTATE_CHECKED;
}
if (menable)
{
btn.fsState |= NativeMethods.TBSTATE_ENABLED;
}
if (mpressed)
{
btn.fsState |= NativeMethods.TBSTATE_PRESSED;
}
if (mhidden)
{
btn.fsState |= NativeMethods.TBSTATE_HIDDEN;
}
return(btn);
}
public NativeMethods.TBBUTTON GetTBBUTTON(int command)
{
NativeMethods.TBBUTTON button = new NativeMethods.TBBUTTON();
button.iBitmap = imageIndex;
button.fsStyle = 0;
switch (appearance)
{
case TBBAppearance.Button:
button.fsStyle = NativeMethods.TBSTYLE_BUTTON;
break;
case TBBAppearance.Separator:
button.fsStyle = NativeMethods.TBSTYLE_SEP;
break;
case TBBAppearance.DropDown:
button.fsStyle = NativeMethods.TBSTYLE_DROPDOWN;
break;
case TBBAppearance.Check:
button.fsStyle = NativeMethods.TBSTYLE_CHECK;
break;
case TBBAppearance.WholeDropDown:
button.fsStyle = NativeMethods.BTNS_WHOLEDROPDOWN;
break;
}
button.fsState = 0;
if (mchecked)
{
button.fsState |= NativeMethods.TBSTATE_CHECKED;
}
if (menable)
{
button.fsState |= NativeMethods.TBSTATE_ENABLED;
}
if (mpressed)
{
button.fsState |= NativeMethods.TBSTATE_PRESSED;
}
if (mhidden)
{
button.fsState |= NativeMethods.TBSTATE_HIDDEN;
}
button.dwData = (IntPtr)0;
button.idCommand = command;
if (!string.IsNullOrEmpty(text))
{
button.iString = Marshal.StringToHGlobalAuto(text + "\0\0");
}
else
{
button.iString = (IntPtr)(-1);
}
return(button);
}
// ------------------------------------------------------
//
// Constructors
//
// ------------------------------------------------------
#region Constructors
internal ToolbarItem(IntPtr hwnd, ProxyFragment parent, int item, int idCommand)
: base(hwnd, parent, item)
{
_idCommand = idCommand;
NativeMethods.TBBUTTON tbb = new NativeMethods.TBBUTTON();
int buttonStyle = 0;
if (XSendMessage.GetItem(_hwnd, _item, ref tbb))
{
buttonStyle = tbb.fsStyle;
}
// Set the strings to return properly the properties.
bool hasImageList = Misc.ProxySendMessageInt(_hwnd, NativeMethods.TB_GETIMAGELIST, IntPtr.Zero, IntPtr.Zero) != 0;
int exStyle = Misc.ProxySendMessageInt(_hwnd, NativeMethods.TB_GETEXTENDEDSTYLE, IntPtr.Zero, IntPtr.Zero);
_isToggleButton = false;
_cControlType = ControlType.Button;
// If a separator, say so
if (Misc.IsBitSet(buttonStyle, NativeMethods.BTNS_SEP))
{
_cControlType = ControlType.Separator;
}
else if (Misc.IsBitSet(buttonStyle, NativeMethods.BTNS_CHECK))
{
// Special case for task list - they use the checked style, but only for visuals...
IntPtr hwndParent = Misc.GetParent(_hwnd);
if (Misc.GetClassName(hwndParent) != "MSTaskSwWClass")
{
_isToggleButton = true;
}
}
else if (Misc.IsBitSet(buttonStyle, NativeMethods.BTNS_DROPDOWN) &&
Misc.IsBitSet(exStyle, NativeMethods.TBSTYLE_EX_DRAWDDARROWS))
{
// if its a drop down and it has an arrow its a split button
_cControlType = ControlType.SplitButton;
}
else if (!hasImageList || tbb.iBitmap == NativeMethods.I_IMAGENONE)
{
// Text-only, no bitmap, so it's effectively a menu item.
// (eg. as used in MMC)
_cControlType = ControlType.MenuItem;
}
_fIsContent = _cControlType != ControlType.Separator;
// The Start Menu's "Shut Down" and "Log Off" buttons are toolbar items. They need to have the
// KeyboardFocusable property be set to true.
_fIsKeyboardFocusable = (bool)parent.GetElementProperty(AutomationElement.IsKeyboardFocusableProperty);
GetItemId(ref _sAutomationId);
}
private void GetItemId(ref string itemId)
{
NativeMethods.TBBUTTON tbb = new NativeMethods.TBBUTTON();
if (XSendMessage.GetItem(_hwnd, _item, ref tbb))
{
if (tbb.idCommand > 0)
{
itemId = "Item " + tbb.idCommand.ToString(CultureInfo.CurrentCulture);
}
}
}
internal void NativeInsert(ToolBoxButton value, int index)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if (IsHandleCreated)
{
if ((value.Appearance & TBBAppearance.Separator) != 0)
{
value.Width = 0;
}
else
{
Size edge = SystemInformation.Border3DSize;
Size size = Size.Empty;
if (!string.IsNullOrEmpty(value.Text))
{
using (Graphics g = Graphics.FromHwnd(Handle))
{
if (!string.IsNullOrEmpty(value.Text))
{
size = Size.Ceiling(g.MeasureString(value.Text, Font));
size.Width += 10;
}
}
}
if ((appearance & TBAppearance.List) != 0)//如果有List属性
{
value.Width = size.Width + ImageSize.Width + edge.Width * 3;
}
else
{
value.Width = size.Width > ImageSize.Width ? size.Width + edge.Width * 4 : ImageSize.Width + edge.Width * 4;
}
if ((value.Appearance & TBBAppearance.DropDown) != 0)
{
value.Width += 16;
}
if ((value.Appearance & TBBAppearance.WholeDropDown) != 0)
{
value.Width += 8;
}
}
NativeMethods.TBBUTTON tbbutton = value.GetTBBUTTON(index);
UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), NativeMethods.TB_INSERTBUTTON, index, ref tbbutton);
NativeMethods.TBBUTTONINFO tbbuttonINFO = value.GetTBBUTTONINFO(index);
UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), NativeMethods.TB_SETBUTTONINFO, index, ref tbbuttonINFO);
}
}
internal void NativeInsert(MenuBoxItem value, int index)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if (IsHandleCreated)
{
NativeMethods.TBBUTTON tbbutton = value.GetTBBUTTON(index);
int result = (int)UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), NativeMethods.TB_INSERTBUTTON, index, ref tbbutton);
if (result != 1)
{
throw new Win32Exception("insert button fault");
}
NativeMethods.TBBUTTONINFO tbbuttonINFO = value.GetTBBUTTONINFO(index);
UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), NativeMethods.TB_SETBUTTONINFO, index, ref tbbuttonINFO);
}
}
private void AddItems()
{
NativeMethods.SendMessage(Handle, NativeMethods.TB_BUTTONSTRUCTSIZE, Marshal.SizeOf(typeof(NativeMethods.TBBUTTON)), 0);
int extendedStyle = NativeMethods.TBSTYLE_EX_HIDECLIPPEDBUTTONS | NativeMethods.TBSTYLE_EX_DOUBLEBUFFER;
if (style == CommandBarStyle.ToolBar)
{
extendedStyle |= NativeMethods.TBSTYLE_EX_DRAWDDARROWS;
}
NativeMethods.SendMessage(Handle, NativeMethods.TB_SETEXTENDEDSTYLE, 0, extendedStyle);
this.UpdateImageList();
for (int i = 0; i < items.Count; i++)
{
NativeMethods.TBBUTTON button = new NativeMethods.TBBUTTON();
button.idCommand = i;
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_INSERTBUTTON, i, ref button);
NativeMethods.TBBUTTONINFO buttonInfo = this.GetButtonInfo(i);
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_SETBUTTONINFO, i, ref buttonInfo);
}
// Add ComboBox controls.
this.Controls.Clear();
for (int i = 0; i < items.Count; i++)
{
CommandBarComboBox comboBox = this.items[i] as CommandBarComboBox;
if (comboBox != null)
{
NativeMethods.RECT rect = new NativeMethods.RECT();
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_GETITEMRECT, i, ref rect);
rect.top = rect.top + (((rect.bottom - rect.top) - comboBox.Height) / 2);
comboBox.ComboBox.Location = new Point(rect.left, rect.top);
this.Controls.Add(comboBox.ComboBox);
}
}
this.UpdateSize();
}
/// <summary>
/// Returns a rectangle representing the location of the specified NotifyIcon. (Windows Vista and earlier.)
/// </summary>
/// <param name="notifyicon">The NotifyIcon whose location should be returned.</param>
/// <returns>The location of the specified NotifyIcon.</returns>
public static Rect? GetNotifyIconRectLegacy(NotifyIcon notifyicon)
{
Rect? nirect = null;
FieldInfo idFieldInfo = notifyicon.GetType().GetField("id", BindingFlags.NonPublic | BindingFlags.Instance);
int niid = (int)idFieldInfo.GetValue(notifyicon);
FieldInfo windowFieldInfo = notifyicon.GetType().GetField("window", BindingFlags.NonPublic | BindingFlags.Instance);
System.Windows.Forms.NativeWindow nativeWindow = (System.Windows.Forms.NativeWindow)windowFieldInfo.GetValue(notifyicon);
IntPtr nihandle = nativeWindow.Handle;
if (nihandle == null || nihandle == IntPtr.Zero)
return null;
// find the handle of the task bar
IntPtr taskbarparenthandle = NativeMethods.FindWindow("Shell_TrayWnd", null);
if (taskbarparenthandle == (IntPtr)null)
return null;
// find the handle of the notification area
IntPtr naparenthandle = NativeMethods.FindWindowEx(taskbarparenthandle, IntPtr.Zero, "TrayNotifyWnd", null);
if (naparenthandle == (IntPtr)null)
return null;
// make a list of toolbars in the notification area (one of them should contain the icon)
List<IntPtr> natoolbarwindows = NativeMethods.GetChildToolbarWindows(naparenthandle);
bool found = false;
for (int i = 0; !found && i < natoolbarwindows.Count; i++)
{
IntPtr natoolbarhandle = natoolbarwindows[i];
// retrieve the number of toolbar buttons (i.e. notify icons)
int buttoncount = NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_BUTTONCOUNT, IntPtr.Zero, IntPtr.Zero).ToInt32();
// get notification area's process id
uint naprocessid;
NativeMethods.GetWindowThreadProcessId(natoolbarhandle, out naprocessid);
// get handle to notification area's process
IntPtr naprocesshandle = NativeMethods.OpenProcess(NativeMethods.ProcessAccessFlags.All, false, naprocessid);
if (naprocesshandle == IntPtr.Zero)
return null;
// allocate enough memory within the notification area's process to store the button info we want
IntPtr toolbarmemoryptr = NativeMethods.VirtualAllocEx(naprocesshandle, (IntPtr)null, (uint)Marshal.SizeOf(typeof(NativeMethods.TBBUTTON)), NativeMethods.AllocationType.Commit, NativeMethods.MemoryProtection.ReadWrite);
if (toolbarmemoryptr == IntPtr.Zero)
return null;
try
{
// loop through the toolbar's buttons until we find our notify icon
for (int j = 0; !found && j < buttoncount; j++)
{
int bytesread = -1;
// ask the notification area to give us information about the current button
NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_GETBUTTON, new IntPtr(j), toolbarmemoryptr);
// retrieve that information from the notification area's process
NativeMethods.TBBUTTON buttoninfo = new NativeMethods.TBBUTTON();
NativeMethods.ReadProcessMemory(naprocesshandle, toolbarmemoryptr, out buttoninfo, Marshal.SizeOf(buttoninfo), out bytesread);
if (bytesread != Marshal.SizeOf(buttoninfo))
return null;
if (buttoninfo.dwData == IntPtr.Zero)
return null;
// the dwData field contains a pointer to information about the notify icon:
// the handle of the notify icon (an 4/8 bytes) and the id of the notify icon (4 bytes)
IntPtr niinfopointer = buttoninfo.dwData;
// read the notify icon handle
IntPtr nihandlenew;
NativeMethods.ReadProcessMemory(naprocesshandle, niinfopointer, out nihandlenew, Marshal.SizeOf(typeof(IntPtr)), out bytesread);
if (bytesread != Marshal.SizeOf(typeof(IntPtr)))
return null;
// read the notify icon id
uint niidnew;
NativeMethods.ReadProcessMemory(naprocesshandle, niinfopointer + Marshal.SizeOf(typeof(IntPtr)), out niidnew, Marshal.SizeOf(typeof(uint)), out bytesread);
if (bytesread != Marshal.SizeOf(typeof(uint)))
return null;
// if we've found a match
if (nihandlenew == nihandle && niidnew == niid)
{
// check if the button is hidden: if it is, return the rectangle of the 'show hidden icons' button
if ((byte)(buttoninfo.fsState & NativeMethods.TBSTATE_HIDDEN) != 0)
{
nirect = GetNotifyAreaButtonRectangle();
}
else
{
NativeMethods.RECT result = new NativeMethods.RECT();
// get the relative rectangle of the toolbar button (notify icon)
NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_GETITEMRECT, new IntPtr(j), toolbarmemoryptr);
NativeMethods.ReadProcessMemory(naprocesshandle, toolbarmemoryptr, out result, Marshal.SizeOf(result), out bytesread);
if (bytesread != Marshal.SizeOf(result))
return null;
// find where the rectangle lies in relation to the screen
NativeMethods.MapWindowPoints(natoolbarhandle, (IntPtr)null, ref result, 2);
nirect = result;
}
found = true;
}
}
}
finally
{
// free memory within process
NativeMethods.VirtualFreeEx(naprocesshandle, toolbarmemoryptr, 0, NativeMethods.FreeType.Release);
// close handle to process
NativeMethods.CloseHandle(naprocesshandle);
}
}
return nirect;
}
/// <summary>
/// Returns a rectangle representing the location of the specified NotifyIcon. (Windows Vista and earlier.)
/// </summary>
/// <param name="notifyicon">The NotifyIcon whose location should be returned.</param>
/// <returns>The location of the specified NotifyIcon.</returns>
public static Rectangle?GetNotifyIconRectLegacy(NotifyIcon notifyicon)
{
Rectangle?nirect = null;
FieldInfo idFieldInfo = notifyicon.GetType().GetField("id", BindingFlags.NonPublic | BindingFlags.Instance);
int niid = (int)idFieldInfo.GetValue(notifyicon);
FieldInfo windowFieldInfo = notifyicon.GetType().GetField("window", BindingFlags.NonPublic | BindingFlags.Instance);
System.Windows.Forms.NativeWindow nativeWindow = (System.Windows.Forms.NativeWindow)windowFieldInfo.GetValue(notifyicon);
IntPtr nihandle = nativeWindow.Handle;
if (nihandle == null || nihandle == IntPtr.Zero)
{
return(null);
}
// find the handle of the task bar
IntPtr taskbarparenthandle = NativeMethods.FindWindow("Shell_TrayWnd", null);
if (taskbarparenthandle == (IntPtr)null)
{
return(null);
}
// find the handle of the notification area
IntPtr naparenthandle = NativeMethods.FindWindowEx(taskbarparenthandle, IntPtr.Zero, "TrayNotifyWnd", null);
if (naparenthandle == (IntPtr)null)
{
return(null);
}
// make a list of toolbars in the notification area (one of them should contain the icon)
List <IntPtr> natoolbarwindows = NativeMethods.GetChildToolbarWindows(naparenthandle);
bool found = false;
for (int i = 0; !found && i < natoolbarwindows.Count; i++)
{
IntPtr natoolbarhandle = natoolbarwindows[i];
// retrieve the number of toolbar buttons (i.e. notify icons)
int buttoncount = NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_BUTTONCOUNT, IntPtr.Zero, IntPtr.Zero).ToInt32();
// get notification area's process id
uint naprocessid;
NativeMethods.GetWindowThreadProcessId(natoolbarhandle, out naprocessid);
// get handle to notification area's process
IntPtr naprocesshandle = NativeMethods.OpenProcess(NativeMethods.ProcessAccessFlags.All, false, naprocessid);
if (naprocesshandle == IntPtr.Zero)
{
return(null);
}
// allocate enough memory within the notification area's process to store the button info we want
IntPtr toolbarmemoryptr = NativeMethods.VirtualAllocEx(naprocesshandle, (IntPtr)null, (uint)Marshal.SizeOf(typeof(NativeMethods.TBBUTTON)), NativeMethods.AllocationType.Commit, NativeMethods.MemoryProtection.ReadWrite);
if (toolbarmemoryptr == IntPtr.Zero)
{
return(null);
}
try
{
// loop through the toolbar's buttons until we find our notify icon
for (int j = 0; !found && j < buttoncount; j++)
{
int bytesread = -1;
// ask the notification area to give us information about the current button
NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_GETBUTTON, new IntPtr(j), toolbarmemoryptr);
// retrieve that information from the notification area's process
NativeMethods.TBBUTTON buttoninfo = new NativeMethods.TBBUTTON();
NativeMethods.ReadProcessMemory(naprocesshandle, toolbarmemoryptr, out buttoninfo, Marshal.SizeOf(buttoninfo), out bytesread);
if (bytesread != Marshal.SizeOf(buttoninfo))
{
return(null);
}
if (buttoninfo.dwData == IntPtr.Zero)
{
return(null);
}
// the dwData field contains a pointer to information about the notify icon:
// the handle of the notify icon (an 4/8 bytes) and the id of the notify icon (4 bytes)
IntPtr niinfopointer = buttoninfo.dwData;
// read the notify icon handle
IntPtr nihandlenew;
NativeMethods.ReadProcessMemory(naprocesshandle, niinfopointer, out nihandlenew, Marshal.SizeOf(typeof(IntPtr)), out bytesread);
if (bytesread != Marshal.SizeOf(typeof(IntPtr)))
{
return(null);
}
// read the notify icon id
uint niidnew;
NativeMethods.ReadProcessMemory(naprocesshandle, niinfopointer + Marshal.SizeOf(typeof(IntPtr)), out niidnew, Marshal.SizeOf(typeof(uint)), out bytesread);
if (bytesread != Marshal.SizeOf(typeof(uint)))
{
return(null);
}
// if we've found a match
if (nihandlenew == nihandle && niidnew == niid)
{
// check if the button is hidden: if it is, return the rectangle of the 'show hidden icons' button
if ((byte)(buttoninfo.fsState & NativeMethods.TBSTATE_HIDDEN) != 0)
{
nirect = GetNotifyAreaButtonRectangle();
}
else
{
NativeMethods.RECT result = new NativeMethods.RECT();
// get the relative rectangle of the toolbar button (notify icon)
NativeMethods.SendMessage(natoolbarhandle, NativeMethods.TB_GETITEMRECT, new IntPtr(j), toolbarmemoryptr);
NativeMethods.ReadProcessMemory(naprocesshandle, toolbarmemoryptr, out result, Marshal.SizeOf(result), out bytesread);
if (bytesread != Marshal.SizeOf(result))
{
return(null);
}
// find where the rectangle lies in relation to the screen
NativeMethods.MapWindowPoints(natoolbarhandle, (IntPtr)null, ref result, 2);
nirect = result;
}
found = true;
}
}
}
finally
{
// free memory within process
NativeMethods.VirtualFreeEx(naprocesshandle, toolbarmemoryptr, 0, NativeMethods.FreeType.Release);
// close handle to process
NativeMethods.CloseHandle(naprocesshandle);
}
}
return(nirect);
}