1 override of ParentInternal
System.Windows.Forms (1)
System\Windows\Forms\Form.cs (1)
1712internal override Control? ParentInternal
4 writes to ParentInternal
System.Windows.Forms (4)
System\Windows\Forms\Control.cs (1)
2617set => ParentInternal = value;
System\Windows\Forms\Controls\ToolStrips\ToolStripPanel.cs (1)
755toolStripToDrag.ParentInternal = this;
System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.ToolStripPanelRowControlCollection.cs (1)
251control.ParentInternal = _owner.ToolStripPanel;
System\Windows\Forms\Form.cs (1)
1722base.ParentInternal = value;
332 references to ParentInternal
System.Windows.Forms (332)
System\Windows\Forms\Accessibility\Control.ControlAccessibleObject.cs (2)
131Control? parentControl = owner.ParentInternal; 394if (!this.TryGetOwnerAs(out Control? owner) || owner.ParentInternal is not { } parent)
System\Windows\Forms\ActiveX\AxHost.AxContainer.cs (1)
207if (control.ParentInternal is { } parent)
System\Windows\Forms\ActiveX\AxHost.cs (13)
406if (ParentInternal is not null) 408ParentInternal.CreateControl(true); 1526if (ParentInternal is not null) 1541if ((IsHandleCreated || value) && ParentInternal is not null && ParentInternal.Created && !_axState[s_fOwnWindow]) 1986private bool ShouldSerializeContainingControl() => ContainingControl != ParentInternal; 2003control = control.ParentInternal; 2078Control? richParent = ParentInternal; 2149Control? parent = ParentInternal; 2997if (ParentInternal is null || !ParentInternal.IsHandleCreated) 3002ShowPropertyPages(ParentInternal); 3326Control? parent = ParentInternal;
System\Windows\Forms\ActiveX\AxHost.OleInterfaces.cs (2)
342*phwnd = _host.ParentInternal?.HWND ?? HWND.Null; 399lpFrameInfo->hwndFrame = _host.ParentInternal?.HWND ?? HWND.Null;
System\Windows\Forms\Control.ControlCollection.cs (1)
294if (value.ParentInternal == Owner)
System\Windows\Forms\Control.cs (75)
618if (ParentInternal is { } parent) 687if (ParentInternal is { } parent && parent.BackColor == BackColor) 737: ParentInternal?.DataContext; 747if (Properties.ContainsKey(s_dataContextProperty) && Equals(ParentInternal?.DataContext, value)) 782Control? parent = ParentInternal; 950Control? parent = ParentInternal; 1398if (container.ParentInternal is not Control parent 1412get => GetState(States.ValidationCancelled) || (ParentInternal is { } parent && parent.ValidationCancelled); 1478: ParentInternal is { } parent ? parent.Cursor : AmbientPropertiesService?.Cursor ?? localDefault; 1621Control? control = ParentInternal; 1632control = control.ParentInternal; 1755return GetState(States.Enabled) && (ParentInternal is null || ParentInternal.Enabled); 1855using (new LayoutTransaction(ParentInternal, this, PropertyNames.Font)) 1930if (ParentInternal is { } parent) 1975if (ParentInternal is not null && ParentInternal.CanAccessProperties) 1977localFontHeight = ParentInternal.FontHeight; 2008if (ParentInternal is { } parent && parent.CanAccessProperties) 2233Control? parent = ParentInternal; 2236while (parent.ParentInternal is not null) 2238parent = parent.ParentInternal; 2616get => ParentInternal; 2859rightToLeft = ParentInternal?.RightToLeft ?? DefaultRightToLeft; 3145for (Control? control = this; control is not null; control = control.ParentInternal) 3198control = control.ParentInternal; 3210while (control.ParentInternal is not null) 3212control = control.ParentInternal; 3399LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.UseCompatibleTextRendering); 3446return ParentInternal is null || ParentInternal.Visible; 3759using (new LayoutTransaction(ParentInternal, this, PropertyNames.Padding)) 4228ParentInternal?.LayoutEngine.InitLayout(this, BoundsSpecified.All); 4358for (Control? ctl = bottom; ctl is not null; ctl = ctl.ParentInternal) 4408ctl = ctl.ParentInternal; 4531LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Bounds); 4544if (!Properties.ContainsKey(s_bindingManagerProperty) && ParentInternal is not null && !controlIsAlreadyCreated) 5015current = current.ParentInternal; 5035Control? p = c.ParentInternal; 5108if (Focused && ParentInternal is not null) 5110IContainerControl? control = ParentInternal.GetContainerControl(); 5244Control? c = IsContainerControl ? ParentInternal : this; 5248c = c.ParentInternal; 5361control = control.ParentInternal; 5484if (ParentInternal is { } parent && parent.CanAccessProperties) 6195control = control.ParentInternal; 6692ParentInternal?.OnChildLayoutResuming(child, performLayout); 6995Control? parent = ParentInternal; 7010if (ReflectParent == ParentInternal) 7603ParentInternal?.OnHelpRequested(hevent); 7683if (parentRequiresLayout && ParentInternal is not null) 7689ParentInternal.SetState(States.LayoutIsDirty, true); 7700ParentInternal?.OnChildLayoutResuming(this, performLayout); 8189Control? parent = ParentInternal; 8319for (Control? c = ParentInternal; c is not null; c = c.ParentInternal) 8407if (ParentInternal is not null && ParentInternal.GetState(States.LayoutIsDirty)) 8409LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.PreferredSize); 9778&& ParentInternal is { } parent 9936if (ContainsFocus && ParentInternal is not null) 9938IContainerControl? c = ParentInternal.GetContainerControl(); 9985LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Bounds); 10034LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Bounds); 10064using SuspendLayoutScope scope = new(ParentInternal); 10116if (ParentInternal is not null) 10122CommonProperties.xClearPreferredSizeCache(ParentInternal); 10128ParentInternal.LayoutEngine.InitLayout(this, specified); 10715using (new LayoutTransaction(ParentInternal, this, PropertyNames.Font)) 10815LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Bounds); 11029if (ParentInternal is not null) 12023if (ParentInternal is not null) 12025parentVisible = ParentInternal.Visible; 12597return ParentInternal; 12749Control? controlParent = ParentInternal;
System\Windows\Forms\Control.Ime.cs (1)
46Control? parent = ParentInternal;
System\Windows\Forms\Controls\Buttons\Button.cs (4)
60if (ParentInternal is not null) 65if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 67ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 70LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);
System\Windows\Forms\Controls\Buttons\ButtonBase.cs (8)
354LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.FlatStyle); 415LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.Image); 438LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.ImageAlign); 687LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.TextAlign); 716LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.TextImageRelation); 739LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.Text); 744private void Animate() => Animate(!DesignMode && Visible && Enabled && ParentInternal is not null); 1102using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text))
System\Windows\Forms\Controls\Buttons\CheckBox.cs (2)
73using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Appearance)) 128LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.CheckAlign);
System\Windows\Forms\Controls\Buttons\FlatButtonAppearance.cs (2)
42if (_owner.ParentInternal is not null) 46_owner.ParentInternal,
System\Windows\Forms\Controls\Buttons\RadioButton.cs (3)
89using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Appearance)) 407if (!_isChecked || ParentInternal is not { } parent) 430if (ParentInternal is not { } parent)
System\Windows\Forms\Controls\ComboBox\ComboBox.cs (3)
2256using (new LayoutTransaction(ParentInternal, this, PropertyNames.Bounds)) 3451if ((DropDownStyle == ComboBoxStyle.Simple) && ParentInternal is not null) 3455using var hbrush = new CreateBrushScope(ParentInternal?.BackColor ?? SystemColors.Control);
System\Windows\Forms\Controls\DataGridView\DataGridView.cs (5)
1082using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle)) 1661using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ColumnHeadersVisible)) 3349using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.RowHeadersVisible)) 3397using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.RowHeadersWidth)) 3584using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ScrollBars))
System\Windows\Forms\Controls\DataGridView\DataGridView.Methods.cs (7)
13298LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Columns); 14532LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Columns); 17580LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 26723using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ColumnHeadersHeight)) 28999LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 29049LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows); 29071LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Rows);
System\Windows\Forms\Controls\DataGridView\DataGridViewCell.cs (12)
1054if (dataGridView.EditingControl.ParentInternal is not null) 1071Debug.Assert(dataGridView.EditingControl.ParentInternal == dataGridView.EditingPanel); 1074Debug.Assert(dataGridView.EditingControl.ParentInternal is null); 1085if (dataGridView.EditingPanel.ParentInternal is not null) 1087Debug.Assert(dataGridView.EditingPanel.ParentInternal == dataGridView); 1090Debug.Assert(dataGridView.EditingPanel.ParentInternal is null); 1093Debug.Assert(dataGridView.EditingControl.ParentInternal is null); 1094Debug.Assert(dataGridView.EditingPanel.ParentInternal is null); 2471if (dgv.EditingControl.ParentInternal is null) 2479Debug.Assert(dgv.EditingPanel.ParentInternal is null); 2485Debug.Assert(dgv.EditingControl.ParentInternal == dgv.EditingPanel); 2486Debug.Assert(dgv.EditingPanel.ParentInternal == dgv);
System\Windows\Forms\Controls\DataGridView\DataGridViewComboBoxCell.cs (2)
1268if (comboBox.ParentInternal is not null) 1270h = comboBox.ParentInternal.Handle;
System\Windows\Forms\Controls\GroupBox\GroupBox.cs (4)
96if (ParentInternal is not null) 101if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 103ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 106LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);
System\Windows\Forms\Controls\Labels\Label.cs (10)
155if (ParentInternal is not null) 157LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.AutoEllipsis); 222if (ParentInternal is not null) 224LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle); 347LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle); 560LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.ImageAlign); 787using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text)) 849internal void Animate() => Animate(!DesignMode && Visible && Enabled && ParentInternal is not null); 1213using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text)) 1364Control? parent = ParentInternal;
System\Windows\Forms\Controls\Labels\LinkLabel.cs (1)
201LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.LinkArea);
System\Windows\Forms\Controls\Labels\LinkLabel.LinkCollection.cs (3)
163LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links); 307LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links); 345LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links);
System\Windows\Forms\Controls\ListBoxes\ListBox.cs (2)
417LayoutTransaction.DoLayoutIf(AutoSize, ParentInternal, this, PropertyNames.DrawMode); 1843if (ParentInternal is not null)
System\Windows\Forms\Controls\PictureBox\PictureBox.cs (1)
972private void Animate() => Animate(animate: !DesignMode && Visible && Enabled && ParentInternal is not null);
System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.cs (12)
2050Control? parent = control.ParentInternal; 2059parent = parent.ParentInternal; 2081Control? parent1 = control1.ParentInternal; 2082Control? parent2 = control2.ParentInternal; 2091parent2 = parent2.ParentInternal; 3460if (Disposing || ParentInternal is null || ParentInternal.Disposing) 3480if (Disposing || ParentInternal is null || ParentInternal.Disposing) 3485if (Visible && ParentInternal is not null) 4856while (topControl.ParentInternal is not null) 4858topControl = topControl.ParentInternal;
System\Windows\Forms\Controls\PropertyGrid\PropertyGridInternal\PropertyGridView.DropDownHolder.cs (2)
75if (_gridView is not null && _gridView.ParentInternal is not null) 77cp.Parent = _gridView.ParentInternal.Handle;
System\Windows\Forms\Controls\RichTextBox\RichTextBox.cs (2)
645using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.ScrollBars)) 1346using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Text))
System\Windows\Forms\Controls\Splitter\Splitter.cs (5)
641Control? parent = ParentInternal; 692if (_splitTarget is null || ParentInternal is null) 698using GetDcScope dc = new(ParentInternal.HWND, HRGN.Null, GET_DCX_FLAGS.DCX_CACHE | GET_DCX_FLAGS.DCX_LOCKWINDOWUPDATE); 704GC.KeepAlive(ParentInternal); 715Control? parent = ParentInternal;
System\Windows\Forms\Controls\TabControl\TabControl.cs (1)
1957if (IsAccessibilityObjectCreated && SelectedTab?.ParentInternal is TabControl)
System\Windows\Forms\Controls\TabControl\TabPage.cs (13)
53=> ParentInternal is TabControl tabControl && tabControl.ShowToolTips; 111&& (ParentInternal is TabControl parent && parent.Appearance == TabAppearance.Normal)) 162if (ParentInternal is not TabControl tabControl) 190if (ParentInternal is not TabControl tabControl) 233if (ParentInternal is TabControl parent) 261if (ParentInternal is TabControl parent) 507c = c.ParentInternal; 521if (ParentInternal is TabControl tabControl && tabControl.SelectedIndex >= 0) 559if (ParentInternal is TabControl) 582if (ParentInternal is TabControl) 603&& (ParentInternal is TabControl parent && parent.Appearance == TabAppearance.Normal)) 728Control? parent = ParentInternal; 757if (ParentInternal is TabControl parent)
System\Windows\Forms\Controls\TabControl\TabPage.TabAccessibleObject.cs (1)
55private TabControl? OwningTabControl => _owningTabPage.ParentInternal as TabControl;
System\Windows\Forms\Controls\TabControl\TabPage.TabPageAccessibleObject.cs (1)
24this.TryGetOwnerAs(out TabPage? owningTabPage) ? owningTabPage.ParentInternal as TabControl : null;
System\Windows\Forms\Controls\TextBox\TextBoxBase.cs (3)
365using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.BorderStyle)) 726using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.Multiline)) 1154using (LayoutTransaction.CreateTransactionIf(AutoSize, ParentInternal, this, PropertyNames.WordWrap))
System\Windows\Forms\Controls\ToolStrips\ToolStrip.cs (10)
389if (ParentInternal is { } parent && parent.CanAccessProperties) 578DockStyle actualDock = (ParentInternal is not null) ? ParentInternal.Dock : DockStyle.Left; 597if (IsInToolStripPanel && ParentInternal is not null) 599dock = ParentInternal.Dock; // we want the orientation of the ToolStripPanel; 649using (new LayoutTransaction(ParentInternal, this, PropertyNames.Dock)) 4131if (ParentInternal is not null) 4133IContainerControl? c = ParentInternal.GetContainerControl(); 4539if (ParentInternal is not null) 4541LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.Orientation);
System\Windows\Forms\Controls\ToolStrips\ToolStripContentPanel.cs (2)
101if (ParentInternal is ToolStripContainer && value == Color.Transparent) 103ParentInternal.BackColor = Color.Transparent;
System\Windows\Forms\Controls\ToolStrips\ToolStripControlHost.cs (1)
690= GetControlCollection(_control.ParentInternal as ToolStrip);
System\Windows\Forms\Controls\ToolStrips\ToolStripDropDown.cs (2)
1002Point parentClientPoint = (_ownerItem is ToolStripDropDownItem dropDownItem) && (ParentInternal is not null) 1003? ParentInternal.PointToClient(dropDownItem.DropDownLocation)
System\Windows\Forms\Controls\ToolStrips\ToolStripManager.cs (2)
327if (start is null || start.ParentInternal is null) 783activeControlInChain = activeControlInChain.ParentInternal;
System\Windows\Forms\Controls\ToolStrips\ToolStripOverflow.cs (1)
62get { return ParentInternal; }
System\Windows\Forms\Controls\ToolStrips\ToolStripPanel.cs (4)
482if (e.AffectedComponent != ParentInternal && e.AffectedComponent as Control is not null) 1022if (ParentInternal is not null) 1026bounds.Width = ParentInternal.DisplayRectangle.Width; 1030bounds.Height = ParentInternal.DisplayRectangle.Height;
System\Windows\Forms\Controls\ToolStrips\ToolStripPanelCell.cs (1)
115if (Control is not null && ToolStripPanelRow is not null && Control.ParentInternal == ToolStripPanelRow.ToolStripPanel)
System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.HorizontalRowManager.cs (2)
32if ((!ToolStripPanel.Visible || LayoutUtils.IsZeroWidthOrHeight(raftingDisplayRectangle)) && (ToolStripPanel.ParentInternal is not null)) 35displayRect.Width = ToolStripPanel.ParentInternal.DisplayRectangle.Width - (ToolStripPanel.Margin.Horizontal + ToolStripPanel.Padding.Horizontal) - Row.Margin.Horizontal;
System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.ToolStripPanelRowControlCollection.cs (2)
238if (ToolStripPanel is not null && ToolStripPanel.ParentInternal is not null) 240layoutTransaction = new LayoutTransaction(ToolStripPanel, ToolStripPanel.ParentInternal, PropertyNames.Parent);
System\Windows\Forms\Controls\ToolStrips\ToolStripPanelRow.VerticalRowManager.cs (2)
33if ((!ToolStripPanel.Visible || LayoutUtils.IsZeroWidthOrHeight(raftingDisplayRectangle)) && (ToolStripPanel.ParentInternal is not null)) 36displayRect.Height = ToolStripPanel.ParentInternal.DisplayRectangle.Height - (ToolStripPanel.Margin.Vertical + ToolStripPanel.Padding.Vertical) - Row.Margin.Vertical;
System\Windows\Forms\Controls\ToolStrips\ToolstripProfessionalRenderer.cs (2)
850if (toolStrip.ParentInternal is not null) 1138Control? parent = control.ParentInternal;
System\Windows\Forms\Controls\UpDown\UpDownBase.UpDownButtons.UpDownButtonsAccessibleObject.DirectionButtonAccessibleObject.cs (1)
46return owner.ParentInternal?.RectangleToScreen(bounds) ?? Rectangle.Empty;
System\Windows\Forms\Controls\WebBrowser\WebBrowserBase.cs (2)
465Control? parent = ParentInternal; 1146for (Control? control = this; control is not null; control = control.ParentInternal)
System\Windows\Forms\Controls\WebBrowser\WebBrowserSiteBase.cs (1)
271lpFrameInfo->hwndFrame = Host.ParentInternal is { } parent ? parent.HWND : HWND.Null;
System\Windows\Forms\ErrorProvider\ErrorProvider.ControlItem.ControlItemAccessibleObject.cs (3)
34=> _control.ParentInternal is not null && _control.ParentInternal.IsHandleCreated 35? _control.ParentInternal.RectangleToScreen(_controlItem.GetIconBounds(_provider.Region.Size))
System\Windows\Forms\ErrorProvider\ErrorProvider.ControlItem.cs (2)
271_control.Visible && _control.ParentInternal is not null && 274_window = _provider.EnsureErrorWindow(_control.ParentInternal);
System\Windows\Forms\Form.cs (2)
1714get => base.ParentInternal; 3427if (_ctlClient is not null && _ctlClient.IsHandleCreated && _ctlClient.ParentInternal == this)
System\Windows\Forms\Layout\Containers\ContainerControl.cs (35)
368if (ParentInternal is not null) 370return ParentInternal.FindForm(); 401Control? parent = ParentInternal; 488else if (_activeControl is null && ParentInternal is not null) 492cc = ParentInternal.GetContainerControl() as ContainerControl; 507Control? parent = cc.ParentInternal; 534if (value is null || (value is not null && value.ParentInternal is not null && !value.ParentInternal.IsContainerControl)) 536Debug.Assert(value is null || (value.ParentInternal is not null && this == value.ParentInternal.GetContainerControl())); 647Control? parent = containerControl.ParentInternal; 1109if (!excludedFactor.IsEmpty && ParentInternal is not null) 1120bool parentDt = ParentInternal.Site?.DesignMode ?? false; 1168group = _activeControl.ParentInternal; 1230if (ParentInternal is null) 1328Control? current = ctl.ParentInternal; 1331current = current.ParentInternal; 1368using (new LayoutTransaction(ParentInternal, this, PropertyNames.Font)) 1408using (new LayoutTransaction(ParentInternal, this, PropertyNames.Font)) 1437if (ParentInternal is not null) 1439IContainerControl? c = ParentInternal.GetContainerControl(); 1473containerControl = value.ParentInternal?.GetContainerControl() as ContainerControl; 1489while (ancestor.ParentInternal?.GetContainerControl() is ContainerControl parentContainer) 1555Control? parent = nextControlDown!.ParentInternal; 1561nextControlDown = nextControlDown.ParentInternal; 1604if (innerMostFCC.ParentInternal is not (not null and MdiClient)) 1615if (innerMostFCC.ParentInternal is not null) 1617ContainerControl? containerControl = innerMostFCC.ParentInternal.GetContainerControl() as ContainerControl; 1633pathControl = pathControl.ParentInternal; 1666|| (_activeControl?.ParentInternal is not null && !_activeControl.ParentInternal.IsContainerControl)) 1668Debug.Assert(_activeControl is null || _activeControl.ParentInternal.GetContainerControl() == this); 1761commonAncestor = commonAncestor.ParentInternal; 1916currentValidatingControl = currentValidatingControl.ParentInternal; 2018if (ParentInternal?.GetContainerControl() is IContainerControl container)
System\Windows\Forms\Layout\Containers\SplitContainer.cs (17)
249if (ParentInternal is SplitterPanel splitterPanel) 310if (ParentInternal is SplitterPanel splitterPanel) 1146IContainerControl? c = ParentInternal?.GetContainerControl(); 1540group = ActiveControl.ParentInternal; 1803Control? parent = ParentInternal; 1807if (parent.SelectNextControl(this, forward, true, true, parent.ParentInternal is null)) 1812parent = parent.ParentInternal; 1829(!nested && ctl.ParentInternal != this)) 1850if (!forward && firstPanel is not null && ctl?.ParentInternal != firstPanel) 1883IContainerControl? c = ParentInternal?.GetContainerControl(); 1906Control? parent = ParentInternal; 1932(!nested && ctl.ParentInternal != this)) 1980if (ctl is null || (ctl.ParentInternal is not null && !ctl.ParentInternal.Visible)) 2000if (container.ParentInternal is not null) 2002IContainerControl? c = container.ParentInternal.GetContainerControl(); 2370IContainerControl? c = ParentInternal?.GetContainerControl();
System\Windows\Forms\Layout\TableLayout.cs (4)
695if (containerInfo.Container is TableLayoutPanel tlp && tlp.ParentInternal is not null && tlp.ParentInternal.LayoutEngine == DefaultLayout.Instance) 823if (containerInfo.Container is TableLayoutPanel tlp && tlp.ParentInternal is not null && tlp.ParentInternal.LayoutEngine == DefaultLayout.Instance)
System\Windows\Forms\MDI\MDIClient.cs (17)
52if (result is null && ParentInternal is not null) 54result = ParentInternal.BackgroundImage; 69if (backgroundImage is not null && ParentInternal is not null) 72if (imageLayout != ParentInternal.BackgroundImageLayout) 75return ParentInternal.BackgroundImageLayout; 102ISite? site = ParentInternal?.Site; 109if (RightToLeft == RightToLeft.Yes && ParentInternal is not null && ParentInternal.IsMirrored) 172ISite? site = ParentInternal?.Site; 223|| ParentInternal is Form { MdiChildrenMinimizedAnchorBottom: false } 224|| ParentInternal?.Site?.DesignMode == true) 333if (ParentInternal is not null && ParentInternal.Site is not null && ParentInternal.Site.DesignMode && Handle != IntPtr.Zero) 341InvokeGotFocus(ParentInternal, EventArgs.Empty); 343if (ParentInternal is Form parentInternalAsForm) 365InvokeLostFocus(ParentInternal, EventArgs.Empty);
System\Windows\Forms\Panels\Panel.cs (4)
79if (ParentInternal is not null) 84if (ParentInternal.LayoutEngine == DefaultLayout.Instance) 86ParentInternal.LayoutEngine.InitLayout(this, BoundsSpecified.Size); 89LayoutTransaction.DoLayout(ParentInternal, this, PropertyNames.AutoSize);
System\Windows\Forms\Scrolling\ScrollableControl.cs (3)
861if (activeControl.ParentInternal != this) 863if (activeControl.ParentInternal is null) 868bounds = RectangleToClient(activeControl.ParentInternal.RectangleToScreen(bounds));
System\Windows\Forms\ToolTip\ToolTip.cs (4)
504if (control is not null && control.ParentInternal is not null) 506while (control.ParentInternal is not null) 508control = control.ParentInternal; 1099current = current.ParentInternal;
System\Windows\Forms\UserControl.cs (2)
81Control toLayout = DesignMode || ParentInternal is null ? this : ParentInternal;