/// <devdoc> Given a form, the items on this toolstrip populate with the mdi children
/// with mnemonics 1-9 and More Windows menu item.
/// These items can then be merged into a menustrip.
///
/// Based on similar code in MenuItem.cs::PopulateMdiList(), which is unfortunately just different
/// enough in its working environment that we can't readily combine the two.
/// But if you're fixing something here, chances are that the same issue will need scrutiny over there.
///</devdoc>
public void PopulateItems(Form mdiParent, ToolStripMenuItem mdiMergeItem, bool includeSeparator)
{
this.mdiParent = mdiParent;
this.SuspendLayout();
MergeItem.DropDown.SuspendLayout();
try {
ToolStripMenuItem mergeItem = MergeItem;
mergeItem.DropDownItems.Clear();
mergeItem.Text = mdiMergeItem.Text;
Form[] forms = mdiParent.MdiChildren;
if (forms != null && forms.Length != 0)
{
if (includeSeparator)
{
ToolStripSeparator separator = new ToolStripSeparator();
separator.MergeAction = MergeAction.Append;
separator.MergeIndex = -1;
mergeItem.DropDownItems.Add(separator);
}
Form activeMdiChild = mdiParent.ActiveMdiChild;
const int maxMenuForms = 9; // max number of Window menu items for forms
int visibleChildren = 0; // number of visible child forms (so we know if we need to show More Windows...
int accel = 1; // prefix the form name with this digit, underlined, as an accelerator
int formsAddedToMenu = 0;
bool activeFormAdded = false;
for (int i = 0; i < forms.Length; i++)
{
// we need to check close reason here because we could be getting called
// here in the midst of a WM_CLOSE - WM_MDIDESTROY eventually fires a WM_MDIACTIVATE
if (forms[i].Visible && (forms[i].CloseReason == CloseReason.None))
{
visibleChildren++;
if ((activeFormAdded && (formsAddedToMenu < maxMenuForms)) || // don't exceed max
(!activeFormAdded && (formsAddedToMenu < (maxMenuForms - 1)) || // save room for active if it's not in yet
(forms[i].Equals(activeMdiChild)))) // there's always room for activeMdiChild
{
string text = WindowsFormsUtils.EscapeTextWithAmpersands(mdiParent.MdiChildren[i].Text);
text = (text == null) ? String.Empty : text;
ToolStripMenuItem windowListItem = new ToolStripMenuItem(mdiParent.MdiChildren[i]);
windowListItem.Text = String.Format(CultureInfo.CurrentCulture, "&{0} {1}", accel, text);
windowListItem.MergeAction = MergeAction.Append;
windowListItem.MergeIndex = accel;
windowListItem.Click += new EventHandler(OnWindowListItemClick);
if (forms[i].Equals(activeMdiChild)) // if this the active one, check it off.
{
windowListItem.Checked = true;
activeFormAdded = true;
}
accel++;
formsAddedToMenu++;
Debug.WriteLineIf(ToolStrip.MDIMergeDebug.TraceVerbose, "\tPopulateItems: Added " + windowListItem.Text);
mergeItem.DropDownItems.Add(windowListItem);
}
}
}
// show the More Windows... item if necessary.
if (visibleChildren > maxMenuForms)
{
ToolStripMenuItem moreWindowsMenuItem = new ToolStripMenuItem();
moreWindowsMenuItem.Text = SR.GetString(SR.MDIMenuMoreWindows);
Debug.WriteLineIf(ToolStrip.MDIMergeDebug.TraceVerbose, "\tPopulateItems: Added " + moreWindowsMenuItem.Text);
moreWindowsMenuItem.Click += new EventHandler(OnMoreWindowsMenuItemClick);
moreWindowsMenuItem.MergeAction = MergeAction.Append;
mergeItem.DropDownItems.Add(moreWindowsMenuItem);
}
}
}
finally {
// this is an invisible toolstrip dont even bother doing layout.
this.ResumeLayout(false);
MergeItem.DropDown.ResumeLayout(false);
}
}
public void PopulateItems(Form mdiParent, ToolStripMenuItem mdiMergeItem, bool includeSeparator)
{
this.mdiParent = mdiParent;
base.SuspendLayout();
this.MergeItem.DropDown.SuspendLayout();
try
{
ToolStripMenuItem mergeItem = this.MergeItem;
mergeItem.DropDownItems.Clear();
mergeItem.Text = mdiMergeItem.Text;
Form[] mdiChildren = mdiParent.MdiChildren;
if ((mdiChildren != null) && (mdiChildren.Length != 0))
{
if (includeSeparator)
{
ToolStripSeparator separator = new ToolStripSeparator {
MergeAction = MergeAction.Append,
MergeIndex = -1
};
mergeItem.DropDownItems.Add(separator);
}
Form activeMdiChild = mdiParent.ActiveMdiChild;
int num = 0;
int num2 = 1;
int num3 = 0;
bool flag = false;
for (int i = 0; i < mdiChildren.Length; i++)
{
if (mdiChildren[i].Visible && (mdiChildren[i].CloseReason == CloseReason.None))
{
num++;
if (((flag && (num3 < 9)) || (!flag && (num3 < 8))) || mdiChildren[i].Equals(activeMdiChild))
{
string str = WindowsFormsUtils.EscapeTextWithAmpersands(mdiParent.MdiChildren[i].Text);
str = (str == null) ? string.Empty : str;
ToolStripMenuItem item2 = new ToolStripMenuItem(mdiParent.MdiChildren[i])
{
Text = string.Format(CultureInfo.CurrentCulture, "&{0} {1}", new object[] { num2, str }),
MergeAction = MergeAction.Append,
MergeIndex = num2
};
item2.Click += new EventHandler(this.OnWindowListItemClick);
if (mdiChildren[i].Equals(activeMdiChild))
{
item2.Checked = true;
flag = true;
}
num2++;
num3++;
mergeItem.DropDownItems.Add(item2);
}
}
}
if (num > 9)
{
ToolStripMenuItem item3 = new ToolStripMenuItem {
Text = System.Windows.Forms.SR.GetString("MDIMenuMoreWindows")
};
item3.Click += new EventHandler(this.OnMoreWindowsMenuItemClick);
item3.MergeAction = MergeAction.Append;
mergeItem.DropDownItems.Add(item3);
}
}
}
finally
{
base.ResumeLayout(false);
this.MergeItem.DropDown.ResumeLayout(false);
}
}
