public void Remove(Link value)
{
if (value.Owner != _owner)
{
return;
}
_owner._links.Remove(value);
if (_owner.AutoSize)
{
LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links);
_owner.AdjustSize();
_owner.Invalidate();
}
_owner._links.Sort(LinkLabel.s_linkComparer);
_owner.ValidateNoOverlappingLinks();
_owner.UpdateSelectability();
_owner.InvalidateTextLayout();
_owner.Invalidate();
if (_owner.FocusLink is null && _owner._links.Count > 0)
{
_owner.FocusLink = (Link)_owner._links[0];
}
}
public void SetRowSpan(object control, int value)
{
ArgumentNullException.ThrowIfNull(control);
if (value < 1)
{
throw new ArgumentOutOfRangeException(nameof(value), value, string.Format(SR.InvalidArgument, nameof(value), value));
}
if (IsStub)
{
_stub.SetRowSpan(control, value);
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
if (element.Container is not null)
{
TableLayout.ClearCachedAssignments(TableLayout.GetContainerInfo(element.Container));
}
TableLayout.GetLayoutInfo(element).RowSpan = value;
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.RowSpan);
Debug.Assert(GetRowSpan(element) == value, "row span should equal to the value we set");
}
}
private void PerformLayoutIfOwned()
{
if (this.Owner != null)
{
LayoutTransaction.DoLayout(this.Owner, this.Owner, this.PropertyName);
}
}
private void SetCellPosition(object control, int row, int column, bool rowSpecified, bool colSpecified)
{
if (IsStub)
{
if (colSpecified)
{
_stub.SetColumn(control, column);
}
if (rowSpecified)
{
_stub.SetRow(control, row);
}
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
if (element.Container != null)
{
TableLayout.ClearCachedAssignments(TableLayout.GetContainerInfo(element.Container));
}
TableLayout.LayoutInfo layoutInfo = TableLayout.GetLayoutInfo(element);
if (colSpecified)
{
layoutInfo.ColumnPosition = column;
}
if (rowSpecified)
{
layoutInfo.RowPosition = row;
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.TableIndex);
Debug.Assert(!colSpecified || GetColumn(element) == column, "column position shoule equal to what we set");
Debug.Assert(!rowSpecified || GetRow(element) == row, "row position shoule equal to what we set");
}
}
private void SetCellPosition(object control, int row, int column, bool rowSpecified, bool colSpecified)
{
if (this.IsStub)
{
if (colSpecified)
{
this._stub.SetColumn(control, column);
}
if (rowSpecified)
{
this._stub.SetRow(control, row);
}
}
else
{
IArrangedElement element = this.LayoutEngine.CastToArrangedElement(control);
if (element.Container != null)
{
System.Windows.Forms.Layout.TableLayout.ClearCachedAssignments(System.Windows.Forms.Layout.TableLayout.GetContainerInfo(element.Container));
}
System.Windows.Forms.Layout.TableLayout.LayoutInfo layoutInfo = System.Windows.Forms.Layout.TableLayout.GetLayoutInfo(element);
if (colSpecified)
{
layoutInfo.ColumnPosition = column;
}
if (rowSpecified)
{
layoutInfo.RowPosition = row;
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.TableIndex);
}
}
public void SetRowSpan(object control, int value)
{
if (value < 1)
{
throw new ArgumentOutOfRangeException("RowSpan", System.Windows.Forms.SR.GetString("InvalidArgument", new object[] { "RowSpan", value.ToString(CultureInfo.CurrentCulture) }));
}
if (control == null)
{
throw new ArgumentNullException("control");
}
if (this.IsStub)
{
this._stub.SetRowSpan(control, value);
}
else
{
IArrangedElement element = this.LayoutEngine.CastToArrangedElement(control);
if (element.Container != null)
{
System.Windows.Forms.Layout.TableLayout.ClearCachedAssignments(System.Windows.Forms.Layout.TableLayout.GetContainerInfo(element.Container));
}
System.Windows.Forms.Layout.TableLayout.GetLayoutInfo(element).RowSpan = value;
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.RowSpan);
}
}
/// <summary>
/// Removes control from this control. Inheriting controls should call
/// base.remove to ensure that the control is removed.
/// </summary>
public virtual void Remove(Control value)
{
// Sanity check parameter
if (value == null)
{
return; // Don't do anything
}
if (value.ParentInternal == Owner)
{
Debug.Assert(Owner != null);
value.SetParentHandle(IntPtr.Zero);
// Remove the control from the internal control array
//
InnerList.Remove(value);
value.AssignParent(null);
LayoutTransaction.DoLayout(Owner, value, PropertyNames.Parent);
Owner.OnControlRemoved(new ControlEventArgs(value));
// ContainerControl needs to see it needs to find a new ActiveControl.
if (Owner.GetContainerControl() is ContainerControl cc)
{
cc.AfterControlRemoved(value, Owner);
}
}
}
/// <summary>
/// This is internal virtual method so that "Readonly Collections" can override this and throw as they should not allow changing
/// the child control indices.
/// </summary>
internal virtual void SetChildIndexInternal(Control child, int newIndex)
{
// Sanity check parameters
if (child == null)
{
throw new ArgumentNullException(nameof(child));
}
int currentIndex = GetChildIndex(child);
if (currentIndex == newIndex)
{
return;
}
if (newIndex >= Count || newIndex == -1)
{
newIndex = Count - 1;
}
MoveElement(child, currentIndex, newIndex);
child.UpdateZOrder();
LayoutTransaction.DoLayout(Owner, child, PropertyNames.ChildIndex);
}
public void SetRowSpan(object control, int value)
{
if (value < 1)
{
throw new ArgumentOutOfRangeException(nameof(value), string.Format(SR.InvalidArgument, "RowSpan", (value).ToString(CultureInfo.CurrentCulture)));
}
if (control == null)
{
throw new ArgumentNullException(nameof(control));
}
if (IsStub)
{
_stub.SetRowSpan(control, value);
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
// LayoutInfo.SetColumnSpan() throws ArgumentException if out of range.
if (element.Container != null)
{
TableLayout.ClearCachedAssignments(TableLayout.GetContainerInfo(element.Container));
}
TableLayout.GetLayoutInfo(element).RowSpan = value;
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.RowSpan);
Debug.Assert(GetRowSpan(element) == value, "row span should equal to the value we set");
}
}
private void OnAdd(ToolStripPanelRow value, int index)
{
if (_owner is not null)
{
LayoutTransaction.DoLayout(_owner, value, PropertyNames.Parent);
}
}
protected override void OnVisibleChanged(EventArgs e)
{
if (base.Visible)
{
LayoutTransaction.DoLayout(this, this, PropertyNames.Visible);
}
base.OnVisibleChanged(e);
}
protected override void OnLayout(LayoutEventArgs e)
{
if ((e.AffectedComponent != this.ParentInternal) && (e.AffectedComponent is Control))
{
ISupportToolStripPanel affectedComponent = e.AffectedComponent as ISupportToolStripPanel;
if ((affectedComponent != null) && this.RowsInternal.Contains(affectedComponent.ToolStripPanelRow))
{
LayoutTransaction.DoLayout(affectedComponent.ToolStripPanelRow, e.AffectedComponent as IArrangedElement, e.AffectedProperty);
}
}
base.OnLayout(e);
}
public override int GetChildCount()
{
if ((owner == null) || !owner.HasDropDownItems)
{
return(-1);
}
if (owner.DropDown.LayoutRequired)
{
LayoutTransaction.DoLayout(owner.DropDown, owner.DropDown, PropertyNames.Items);
}
return(owner.DropDown.AccessibilityObject.GetChildCount());
}
public int Add(Link value)
{
if (value is not null && value.Length != 0)
{
LinksAdded = true;
}
// check for the special case where the list is in the "magic"
// state of having only the default link in it. In that case
// we want to clear the list before adding this link.
//
if (_owner._links.Count == 1 &&
this[0].Start == 0 &&
this[0]._length == -1)
{
_owner._links.Clear();
_owner.FocusLink = null;
}
// Set the owner control for this link
value.Owner = _owner;
_owner._links.Add(value);
if (_owner.AutoSize)
{
LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links);
_owner.AdjustSize();
_owner.Invalidate();
}
if (_owner.Links.Count > 1)
{
_owner._links.Sort(LinkLabel.s_linkComparer);
}
_owner.ValidateNoOverlappingLinks();
_owner.UpdateSelectability();
_owner.InvalidateTextLayout();
_owner.Invalidate();
if (_owner.Links.Count > 1)
{
return(IndexOf(value));
}
else
{
return(0);
}
}
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
if (this.HasDropDownItems)
{
if (this.DropDown.Visible)
{
LayoutTransaction.DoLayout(this.DropDown, this, PropertyNames.RightToLeft);
}
else
{
CommonProperties.xClearPreferredSizeCache(this.DropDown);
this.DropDown.LayoutRequired = true;
}
}
}
public virtual void Clear()
{
bool doLayout = _owner._links.Count > 0 && _owner.AutoSize;
_owner._links.Clear();
if (doLayout)
{
LayoutTransaction.DoLayout(_owner.ParentInternal, _owner, PropertyNames.Links);
_owner.AdjustSize();
_owner.Invalidate();
}
_owner.UpdateSelectability();
_owner.InvalidateTextLayout();
_owner.Invalidate();
}
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
if (HasDropDownItems)
{
// only perform a layout on a visible dropdown - otherwise clear the preferred size cache.
if (DropDown.Visible)
{
LayoutTransaction.DoLayout(DropDown, this, PropertyNames.RightToLeft);
}
else
{
CommonProperties.xClearPreferredSizeCache(DropDown);
DropDown.LayoutRequired = true;
}
}
}
public void Insert(int index, ToolStripItem value)
{
this.CheckCanAddOrInsertItem(value);
this.SetOwner(value);
base.InnerList.Insert(index, value);
if (this.itemsCollection && (this.owner != null))
{
if (this.owner.IsHandleCreated)
{
LayoutTransaction.DoLayout(this.owner, value, PropertyNames.Parent);
}
else
{
CommonProperties.xClearPreferredSizeCache(this.owner);
}
this.owner.OnItemAdded(new ToolStripItemEventArgs(value));
}
}
/// <include file='doc\ToolStripItemCollection.uex' path='docs/doc[@for="ToolStripItemCollection.Insert"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public void Insert(int index, ToolStripItem value)
{
CheckCanAddOrInsertItem(value);
SetOwner(value);
InnerList.Insert(index, value);
if (itemsCollection && owner != null)
{
if (owner.IsHandleCreated)
{
LayoutTransaction.DoLayout(owner, value, PropertyNames.Parent);
}
else
{
// next time we fetch the preferred size, recalc it.
CommonProperties.xClearPreferredSizeCache(owner);
}
owner.OnItemAdded(new ToolStripItemEventArgs(value));
}
}
public override int GetChildCount()
{
if ((owner == null) || !owner.HasDropDownItems)
{
return(-1);
}
// Do not expose child items when the submenu is collapsed to prevent Narrator from announcing
// invisible menu items when Narrator is in item's mode (CAPSLOCK + Arrow Left/Right) or
// in scan mode (CAPSLOCK + Space)
if (AccessibilityImprovements.Level3 && ExpandCollapseState == UnsafeNativeMethods.ExpandCollapseState.Collapsed)
{
return(0);
}
if (owner.DropDown.LayoutRequired)
{
LayoutTransaction.DoLayout(owner.DropDown, owner.DropDown, PropertyNames.Items);
}
return(owner.DropDown.AccessibilityObject.GetChildCount());
}
protected virtual void AdjustFormScrollbars(bool displayScrollbars)
{
bool flag = false;
Rectangle displayRectInternal = this.GetDisplayRectInternal();
if (!displayScrollbars && (this.HScroll || this.VScroll))
{
flag = this.SetVisibleScrollbars(false, false);
}
if (!displayScrollbars)
{
Rectangle clientRectangle = base.ClientRectangle;
displayRectInternal.Width = clientRectangle.Width;
displayRectInternal.Height = clientRectangle.Height;
}
else
{
flag |= this.ApplyScrollbarChanges(displayRectInternal);
}
if (flag)
{
LayoutTransaction.DoLayout(this, this, PropertyNames.DisplayRectangle);
}
}
private void MoveInsideContainer(ToolStrip toolStripToDrag, Point clientLocation)
{
ISupportToolStripPanel panel = toolStripToDrag;
if (!panel.IsCurrentlyDragging || this.DragBounds.Contains(clientLocation))
{
bool flag = false;
ClearDragFeedback();
if ((((toolStripToDrag.Site != null) && toolStripToDrag.Site.DesignMode) && base.IsHandleCreated) && ((clientLocation.X < 0) || (clientLocation.Y < 0)))
{
Point pt = base.PointToClient(WindowsFormsUtils.LastCursorPoint);
if (base.ClientRectangle.Contains(pt))
{
clientLocation = pt;
}
}
ToolStripPanelRow toolStripPanelRow = panel.ToolStripPanelRow;
bool flag2 = false;
if (((toolStripPanelRow != null) && toolStripPanelRow.Visible) && (toolStripPanelRow.ToolStripPanel == this))
{
if (toolStripToDrag.IsCurrentlyDragging)
{
flag2 = toolStripPanelRow.DragBounds.Contains(clientLocation);
}
else
{
flag2 = toolStripPanelRow.Bounds.Contains(clientLocation);
}
}
if (flag2)
{
panel.ToolStripPanelRow.MoveControl(toolStripToDrag, this.GetStartLocation(toolStripToDrag), clientLocation);
}
else
{
ToolStripPanelRow row2 = this.PointToRow(clientLocation);
if (row2 == null)
{
int count = this.RowsInternal.Count;
if (this.Orientation == System.Windows.Forms.Orientation.Horizontal)
{
count = (clientLocation.Y <= base.Padding.Left) ? 0 : count;
}
else
{
count = (clientLocation.X <= base.Padding.Left) ? 0 : count;
}
ToolStripPanelRow row3 = null;
if (this.RowsInternal.Count > 0)
{
if (count == 0)
{
row3 = this.RowsInternal[0];
}
else if (count > 0)
{
row3 = this.RowsInternal[count - 1];
}
}
if (((row3 != null) && (row3.ControlsInternal.Count == 1)) && row3.ControlsInternal.Contains(toolStripToDrag))
{
row2 = row3;
if (toolStripToDrag.IsInDesignMode)
{
Point endClientLocation = (this.Orientation == System.Windows.Forms.Orientation.Horizontal) ? new Point(clientLocation.X, row2.Bounds.Y) : new Point(row2.Bounds.X, clientLocation.Y);
panel.ToolStripPanelRow.MoveControl(toolStripToDrag, this.GetStartLocation(toolStripToDrag), endClientLocation);
}
}
else
{
row2 = new ToolStripPanelRow(this);
this.RowsInternal.Insert(count, row2);
}
}
else if (!row2.CanMove(toolStripToDrag))
{
int index = this.RowsInternal.IndexOf(row2);
if (((toolStripPanelRow != null) && (toolStripPanelRow.ControlsInternal.Count == 1)) && ((index > 0) && ((index - 1) == this.RowsInternal.IndexOf(toolStripPanelRow))))
{
return;
}
row2 = new ToolStripPanelRow(this);
this.RowsInternal.Insert(index, row2);
clientLocation.Y = row2.Bounds.Y;
}
flag = toolStripPanelRow != row2;
if ((!flag && (toolStripPanelRow != null)) && (toolStripPanelRow.ControlsInternal.Count > 1))
{
toolStripPanelRow.LeaveRow(toolStripToDrag);
toolStripPanelRow = null;
flag = true;
}
if (flag)
{
if (toolStripPanelRow != null)
{
toolStripPanelRow.LeaveRow(toolStripToDrag);
}
row2.JoinRow(toolStripToDrag, clientLocation);
}
if (flag && panel.IsCurrentlyDragging)
{
for (int i = 0; i < this.RowsInternal.Count; i++)
{
LayoutTransaction.DoLayout(this.RowsInternal[i], this, PropertyNames.Rows);
}
if (this.RowsInternal.IndexOf(row2) > 0)
{
System.Windows.Forms.IntSecurity.AdjustCursorPosition.Assert();
try
{
Point point3 = toolStripToDrag.PointToScreen(toolStripToDrag.GripRectangle.Location);
if (this.Orientation == System.Windows.Forms.Orientation.Vertical)
{
point3.X += toolStripToDrag.GripRectangle.Width / 2;
point3.Y = Cursor.Position.Y;
}
else
{
point3.Y += toolStripToDrag.GripRectangle.Height / 2;
point3.X = Cursor.Position.X;
}
Cursor.Position = point3;
}
finally
{
CodeAccessPermission.RevertAssert();
}
}
}
}
}
}
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
this.resetRTLHScrollValue = true;
LayoutTransaction.DoLayout(this, this, PropertyNames.RightToLeft);
}
/// <summary>
/// Adds a child control to this control. The control becomes the last control in
/// the child control list. If the control is already a child of another control it
/// is first removed from that control.
/// </summary>
public virtual void Add(Control value)
{
if (value == null)
{
return;
}
if (value.GetTopLevel())
{
throw new ArgumentException(SR.TopLevelControlAdd);
}
// Verify that the control being added is on the same thread as
// us...or our parent chain.
if (Owner.CreateThreadId != value.CreateThreadId)
{
throw new ArgumentException(SR.AddDifferentThreads);
}
CheckParentingCycle(Owner, value);
if (value._parent == Owner)
{
value.SendToBack();
return;
}
// Remove the new control from its old parent (if any)
if (value._parent != null)
{
value._parent.Controls.Remove(value);
}
// Add the control
InnerList.Add(value);
if (value._tabIndex == -1)
{
// Find the next highest tab index
int nextTabIndex = 0;
for (int c = 0; c < (Count - 1); c++)
{
int t = this[c].TabIndex;
if (nextTabIndex <= t)
{
nextTabIndex = t + 1;
}
}
value._tabIndex = nextTabIndex;
}
// if we don't suspend layout, AssignParent will indirectly trigger a layout event
// before we're ready (AssignParent will fire a PropertyChangedEvent("Visible"), which calls PerformLayout)
#if DEBUG
int dbgLayoutCheck = Owner.LayoutSuspendCount;
#endif
Owner.SuspendLayout();
try
{
Control oldParent = value._parent;
try
{
// AssignParent calls into user code - this could throw, which
// would make us short-circuit the rest of the reparenting logic.
// you could end up with a control half reparented.
value.AssignParent(Owner);
}
finally
{
if (oldParent != value._parent && (Owner._state & STATE_CREATED) != 0)
{
value.SetParentHandle(Owner.InternalHandle);
if (value.Visible)
{
value.CreateControl();
}
}
}
value.InitLayout();
}
finally
{
Owner.ResumeLayout(false);
#if DEBUG
Owner.AssertLayoutSuspendCount(dbgLayoutCheck);
#endif
}
// Not putting in the finally block, as it would eat the original
// exception thrown from AssignParent if the following throws an exception.
LayoutTransaction.DoLayout(Owner, value, PropertyNames.Parent);
Owner.OnControlAdded(new ControlEventArgs(value));
}