private void CommandBarItem_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (this.IsHandleCreated)
{
CommandBarItem item = (CommandBarItem)sender;
int index = this.Items.IndexOf(item);
if (index != -1)
{
switch (e.PropertyName)
{
case "IsVisible":
this.UpdateItems();
break;
case "Image":
this.UpdateImageList();
break;
default:
NativeMethods.TBBUTTONINFO buttonInfo = GetButtonInfo(index);
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_SETBUTTONINFO, index, ref buttonInfo);
this.UpdateSize();
break;
}
}
}
}
/// <include file='doc\ToolBarButton.uex' path='docs/doc[@for="ToolBarButton.GetTBBUTTONINFO"]/*' />
/// <devdoc>
/// Returns a TBBUTTONINFO object that represents this ToolBarButton.
/// </devdoc>
internal NativeMethods.TBBUTTONINFO GetTBBUTTONINFO(bool updateText, int newCommandId) {
NativeMethods.TBBUTTONINFO button = new NativeMethods.TBBUTTONINFO();
button.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
button.dwMask = NativeMethods.TBIF_IMAGE
| NativeMethods.TBIF_STATE | NativeMethods.TBIF_STYLE;
// Comctl on Win98 interprets null strings as empty strings, which forces
// the button to leave space for text. The only workaround is to avoid having comctl
// update the text.
if (updateText) {
button.dwMask |= NativeMethods.TBIF_TEXT;
}
button.iImage = ImageIndexer.ActualIndex;
if (newCommandId != commandId) {
commandId = newCommandId;
button.idCommand = newCommandId;
button.dwMask |= NativeMethods.TBIF_COMMAND;
}
// set up the state of the button
//
button.fsState = 0;
if (enabled) button.fsState |= NativeMethods.TBSTATE_ENABLED;
if (partialPush && style == ToolBarButtonStyle.ToggleButton) button.fsState |= NativeMethods.TBSTATE_INDETERMINATE;
if (pushed) button.fsState |= NativeMethods.TBSTATE_CHECKED;
if (!visible) button.fsState |= NativeMethods.TBSTATE_HIDDEN;
// set the button style
//
switch (style) {
case ToolBarButtonStyle.PushButton:
button.fsStyle = NativeMethods.TBSTYLE_BUTTON;
break;
case ToolBarButtonStyle.ToggleButton:
button.fsStyle = NativeMethods.TBSTYLE_CHECK;
break;
case ToolBarButtonStyle.Separator:
button.fsStyle = NativeMethods.TBSTYLE_SEP;
break;
}
if (text == null) {
button.pszText = Marshal.StringToHGlobalAuto("\0\0");
}
else {
string textValue = this.text;
PrefixAmpersands(ref textValue);
button.pszText = Marshal.StringToHGlobalAuto(textValue);
}
return button;
}
// VSWhidbey 177016: This is necessary to get the width of the buttons in the toolbar,
// including the width of separators, so that we can accurately position the tooltip adjacent
// to the currently hot button when the user uses keyboard navigation to access the toolbar.
internal int GetButtonWidth() {
// Assume that this button is the same width as the parent's ButtonSize's Width
int buttonWidth = Parent.ButtonSize.Width;
NativeMethods.TBBUTTONINFO button = new NativeMethods.TBBUTTONINFO();
button.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
button.dwMask = NativeMethods.TBIF_SIZE;
int buttonID = (int)UnsafeNativeMethods.SendMessage(new HandleRef(Parent, Parent.Handle), NativeMethods.TB_GETBUTTONINFO, commandId, ref button);
if (buttonID != -1) {
buttonWidth = button.cx;
}
return buttonWidth;
}
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();
}
/// <include file='doc\ToolBar.uex' path='docs/doc[@for="ToolBar.ForceButtonWidths"]/*' />
/// <devdoc>
/// Forces the button sizes based on various different things. The default
/// ToolBar button sizing rules are pretty primitive and this tends to be
/// a little better, and lets us actually show things like DropDown Arrows
/// for ToolBars
/// </devdoc>
/// <internalonly/>
private void ForceButtonWidths() {
if (buttons != null && buttonSize.IsEmpty && IsHandleCreated) {
// force ourselves to re-compute this each time
//
maxWidth = -1;
for (int x = 0; x < buttonCount; x++) {
NativeMethods.TBBUTTONINFO tbbi = new NativeMethods.TBBUTTONINFO();
tbbi.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
tbbi.cx = buttons[x].Width;
if (tbbi.cx > maxWidth) {
maxWidth = tbbi.cx;
}
tbbi.dwMask = NativeMethods.TBIF_SIZE;
UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), NativeMethods.TB_SETBUTTONINFO, x, ref tbbi);
}
}
}
private NativeMethods.TBBUTTONINFO GetButtonInfo(int index)
{
CommandBarItem item = items[index];
NativeMethods.TBBUTTONINFO buttonInfo = new NativeMethods.TBBUTTONINFO();
buttonInfo.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
buttonInfo.dwMask = NativeMethods.TBIF_IMAGE | NativeMethods.TBIF_STATE | NativeMethods.TBIF_STYLE | NativeMethods.TBIF_COMMAND;
buttonInfo.idCommand = index;
buttonInfo.iImage = NativeMethods.I_IMAGECALLBACK;
buttonInfo.fsStyle = NativeMethods.BTNS_BUTTON | NativeMethods.BTNS_AUTOSIZE;
buttonInfo.fsState = 0;
buttonInfo.cx = 0;
buttonInfo.lParam = IntPtr.Zero;
buttonInfo.pszText = IntPtr.Zero;
buttonInfo.cchText = 0;
if (!item.IsVisible)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_HIDDEN;
}
CommandBarComboBox comboBox = item as CommandBarComboBox;
if (comboBox != null)
{
buttonInfo.cx = (short) (comboBox.Width + 4);
buttonInfo.dwMask = NativeMethods.TBIF_SIZE;
}
if (item is CommandBarSeparator)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_SEP;
}
else
{
if (item.IsEnabled)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_ENABLED;
}
CommandBarMenu menu = item as CommandBarMenu;
if ((menu != null) && (menu.Items.Count > 0))
{
buttonInfo.fsStyle |= NativeMethods.BTNS_DROPDOWN;
}
if (style == CommandBarStyle.ToolBar)
{
if (item is CommandBarMenu)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_WHOLEDROPDOWN;
}
}
CommandBarCheckBox checkBox = item as CommandBarCheckBox;
if ((checkBox != null) && (checkBox.IsChecked))
{
buttonInfo.fsState |= NativeMethods.TBSTATE_CHECKED;
}
}
if (item is CommandBarSeparator)
{
buttonInfo.iImage = NativeMethods.I_IMAGENONE;
}
else if (item.Image != null)
{
buttonInfo.iImage = index;
}
if ((this.Style == CommandBarStyle.Menu) && (item.Text != null) && (item.Text.Length != 0))
{
buttonInfo.dwMask |= NativeMethods.TBIF_TEXT;
buttonInfo.pszText = Marshal.StringToHGlobalUni(item.Text + "\0");
buttonInfo.cchText = item.Text.Length;
}
return buttonInfo;
}
private NativeMethods.TBBUTTONINFO GetButtonInfo(int index)
{
CommandBarItem item = items[index];
NativeMethods.TBBUTTONINFO buttonInfo = new NativeMethods.TBBUTTONINFO();
buttonInfo.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
buttonInfo.dwMask = NativeMethods.TBIF_IMAGE | NativeMethods.TBIF_STATE | NativeMethods.TBIF_STYLE | NativeMethods.TBIF_COMMAND;
buttonInfo.idCommand = index;
buttonInfo.iImage = NativeMethods.I_IMAGECALLBACK;
buttonInfo.fsStyle = NativeMethods.BTNS_BUTTON | NativeMethods.BTNS_AUTOSIZE;
buttonInfo.fsState = 0;
buttonInfo.cx = 0;
buttonInfo.lParam = IntPtr.Zero;
buttonInfo.pszText = IntPtr.Zero;
buttonInfo.cchText = 0;
if (!item.Visible)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_HIDDEN;
}
CommandBarComboBox comboBox = item as CommandBarComboBox;
if (comboBox != null)
{
buttonInfo.cx = (short)(comboBox.Width + 4);
buttonInfo.dwMask = NativeMethods.TBIF_SIZE;
}
if (item is CommandBarSeparator)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_SEP;
}
else
{
if (item.Enabled)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_ENABLED;
}
CommandBarMenu menu = item as CommandBarMenu;
if ((menu != null) && (menu.Items.Count > 0))
{
buttonInfo.fsStyle |= NativeMethods.BTNS_DROPDOWN;
}
if (style == CommandBarStyle.ToolBar)
{
if (item is CommandBarMenu)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_WHOLEDROPDOWN;
}
}
CommandBarCheckBox checkBox = item as CommandBarCheckBox;
if ((checkBox != null) && (checkBox.IsChecked))
{
buttonInfo.fsState |= NativeMethods.TBSTATE_CHECKED;
}
}
if (item is CommandBarSeparator)
{
buttonInfo.iImage = NativeMethods.I_IMAGENONE;
}
else if (item.Image != null)
{
buttonInfo.iImage = index;
}
if ((this.Style == CommandBarStyle.Menu) && (item.Text != null) && (item.Text.Length != 0))
{
buttonInfo.dwMask |= NativeMethods.TBIF_TEXT;
buttonInfo.pszText = Marshal.StringToHGlobalUni(item.Text + "\0");
buttonInfo.cchText = item.Text.Length;
}
return(buttonInfo);
}
