Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / MdiWindowListStrip.cs / 1305376 / MdiWindowListStrip.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.ComponentModel; using System.Drawing; using System.Windows.Forms; using System.Diagnostics; using System.Runtime.InteropServices; using System.Security; using System.Globalization; ///this is the menu that merges into the MdiWindowListItem /// in an MDI parent when an MDI child is maximized. /// internal class MdiWindowListStrip : MenuStrip { private Form mdiParent = null; private ToolStripMenuItem mergeItem; private MenuStrip mergedMenu; public MdiWindowListStrip() { } protected override void Dispose(bool disposing) { if (disposing) { mdiParent = null; } base.Dispose(disposing); } internal ToolStripMenuItem MergeItem { get { if (mergeItem == null) { mergeItem = new ToolStripMenuItem(); mergeItem.MergeAction = MergeAction.MatchOnly; } if (mergeItem.Owner == null) { this.Items.Add(mergeItem); } return mergeItem; } } internal MenuStrip MergedMenu { get { return mergedMenu; } set { mergedMenu = value; } } ///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. /// 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); } } ///handler for More Windows... This is similar to MenuItem.cs private void OnMoreWindowsMenuItemClick(object sender, EventArgs e) { Form[] forms = mdiParent.MdiChildren; if (forms != null) { // SECREVIEW : "System" style dialog, no user code will execute, and // : we don't want the restricted dialog options... // IntSecurity.AllWindows.Assert(); try { using (MdiWindowDialog dialog = new MdiWindowDialog()) { dialog.SetItems(mdiParent.ActiveMdiChild, forms); DialogResult result = dialog.ShowDialog(); if (result == DialogResult.OK) { // AllWindows Assert above allows this... // dialog.ActiveChildForm.Activate(); if (dialog.ActiveChildForm.ActiveControl != null && !dialog.ActiveChildForm.ActiveControl.Focused) { dialog.ActiveChildForm.ActiveControl.Focus(); } } } } finally { CodeAccessPermission.RevertAssert(); } } } ///handler for 1 - 9. This is similar to MenuItem.cs private void OnWindowListItemClick(object sender, EventArgs e) { ToolStripMenuItem windowListItem = sender as ToolStripMenuItem; if (windowListItem != null) { Form boundForm = windowListItem.MdiForm; if (boundForm != null) { // SECREVIEW : User selected a window, that means it is OK // : to move focus // IntSecurity.ModifyFocus.Assert(); try { boundForm.Activate(); if (boundForm.ActiveControl != null && !boundForm.ActiveControl.Focused) { boundForm.ActiveControl.Focus(); } } finally { CodeAccessPermission.RevertAssert(); } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.ComponentModel; using System.Drawing; using System.Windows.Forms; using System.Diagnostics; using System.Runtime.InteropServices; using System.Security; using System.Globalization; ///this is the menu that merges into the MdiWindowListItem /// in an MDI parent when an MDI child is maximized. /// internal class MdiWindowListStrip : MenuStrip { private Form mdiParent = null; private ToolStripMenuItem mergeItem; private MenuStrip mergedMenu; public MdiWindowListStrip() { } protected override void Dispose(bool disposing) { if (disposing) { mdiParent = null; } base.Dispose(disposing); } internal ToolStripMenuItem MergeItem { get { if (mergeItem == null) { mergeItem = new ToolStripMenuItem(); mergeItem.MergeAction = MergeAction.MatchOnly; } if (mergeItem.Owner == null) { this.Items.Add(mergeItem); } return mergeItem; } } internal MenuStrip MergedMenu { get { return mergedMenu; } set { mergedMenu = value; } } ///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. /// 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); } } ///handler for More Windows... This is similar to MenuItem.cs private void OnMoreWindowsMenuItemClick(object sender, EventArgs e) { Form[] forms = mdiParent.MdiChildren; if (forms != null) { // SECREVIEW : "System" style dialog, no user code will execute, and // : we don't want the restricted dialog options... // IntSecurity.AllWindows.Assert(); try { using (MdiWindowDialog dialog = new MdiWindowDialog()) { dialog.SetItems(mdiParent.ActiveMdiChild, forms); DialogResult result = dialog.ShowDialog(); if (result == DialogResult.OK) { // AllWindows Assert above allows this... // dialog.ActiveChildForm.Activate(); if (dialog.ActiveChildForm.ActiveControl != null && !dialog.ActiveChildForm.ActiveControl.Focused) { dialog.ActiveChildForm.ActiveControl.Focus(); } } } } finally { CodeAccessPermission.RevertAssert(); } } } ///handler for 1 - 9. This is similar to MenuItem.cs private void OnWindowListItemClick(object sender, EventArgs e) { ToolStripMenuItem windowListItem = sender as ToolStripMenuItem; if (windowListItem != null) { Form boundForm = windowListItem.MdiForm; if (boundForm != null) { // SECREVIEW : User selected a window, that means it is OK // : to move focus // IntSecurity.ModifyFocus.Assert(); try { boundForm.Activate(); if (boundForm.ActiveControl != null && !boundForm.ActiveControl.Focused) { boundForm.ActiveControl.Focus(); } } finally { CodeAccessPermission.RevertAssert(); } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- OperationSelectorBehavior.cs
- unsafeIndexingFilterStream.cs
- Int16AnimationBase.cs
- PropertyNames.cs
- RangeBaseAutomationPeer.cs
- CustomLineCap.cs
- EventBuilder.cs
- DropDownList.cs
- BlobPersonalizationState.cs
- ReferentialConstraintRoleElement.cs
- SqlNodeAnnotation.cs
- UserMapPath.cs
- OrCondition.cs
- CaseExpr.cs
- SessionPageStateSection.cs
- WebPartHelpVerb.cs
- FormViewRow.cs
- Types.cs
- ExceptQueryOperator.cs
- IRCollection.cs
- ThrowHelper.cs
- ManagementScope.cs
- StdValidatorsAndConverters.cs
- OperandQuery.cs
- InputBuffer.cs
- SoapEnvelopeProcessingElement.cs
- FontUnit.cs
- MembershipValidatePasswordEventArgs.cs
- OuterGlowBitmapEffect.cs
- SQLRoleProvider.cs
- FunctionImportMapping.ReturnTypeRenameMapping.cs
- FixedStringLookup.cs
- DataGridColumnDropSeparator.cs
- DataGridViewCell.cs
- DbConnectionInternal.cs
- UrlUtility.cs
- Container.cs
- DtdParser.cs
- ClientScriptManager.cs
- BaseTemplateParser.cs
- Input.cs
- StringComparer.cs
- CheckBoxList.cs
- DesignerTransactionCloseEvent.cs
- PlanCompilerUtil.cs
- QueryAccessibilityHelpEvent.cs
- LocatorBase.cs
- AttributeEmitter.cs
- ExceptionValidationRule.cs
- InfoCardTraceRecord.cs
- CustomCategoryAttribute.cs
- MailSettingsSection.cs
- OracleRowUpdatingEventArgs.cs
- ModelPerspective.cs
- _ListenerResponseStream.cs
- SqlCharStream.cs
- RenderDataDrawingContext.cs
- CatchDesigner.xaml.cs
- WebPartCatalogAddVerb.cs
- DataGridLengthConverter.cs
- DeploymentExceptionMapper.cs
- Encoder.cs
- EntityEntry.cs
- FileRecordSequenceCompletedAsyncResult.cs
- SessionStateModule.cs
- EventLogger.cs
- AssemblyEvidenceFactory.cs
- SqlConnectionFactory.cs
- XmlCDATASection.cs
- ColumnClickEvent.cs
- sitestring.cs
- ApplicationServicesHostFactory.cs
- XPathEmptyIterator.cs
- ProxyManager.cs
- MsmqHostedTransportManager.cs
- ScopeCollection.cs
- BuildProviderCollection.cs
- DocumentViewerAutomationPeer.cs
- Verify.cs
- FrameworkElementAutomationPeer.cs
- PerfService.cs
- ValidationSummary.cs
- DbDataRecord.cs
- AspNetHostingPermission.cs
- ContextStack.cs
- ListParagraph.cs
- MailWriter.cs
- CqlIdentifiers.cs
- UIInitializationException.cs
- Mutex.cs
- WebPartDisplayMode.cs
- Point3DCollectionConverter.cs
- DbConvert.cs
- ExtendedPropertiesHandler.cs
- ColumnHeaderCollectionEditor.cs
- BaseCodeDomTreeGenerator.cs
- CodeDelegateCreateExpression.cs
- LinqDataSourceContextEventArgs.cs
- XmlCDATASection.cs
- TypeLoadException.cs