// in RTL, we parent a transparent control over the grip to support mirroring.
private void EnsureRightToLeftGrip()
{
if (SizingGrip && RightToLeft == RightToLeft.Yes)
{
RTLGrip.Bounds = SizeGripBounds;
if (!this.Controls.Contains(RTLGrip))
{
WindowsFormsUtils.ReadOnlyControlCollection controlCollection = this.Controls as WindowsFormsUtils.ReadOnlyControlCollection;
if (controlCollection != null)
{
controlCollection.AddInternal(RTLGrip);
}
}
}
else if (rtlLayoutGrip != null)
{
if (this.Controls.Contains(rtlLayoutGrip))
{
WindowsFormsUtils.ReadOnlyControlCollection controlCollection = this.Controls as WindowsFormsUtils.ReadOnlyControlCollection;
if (controlCollection != null)
{
controlCollection.RemoveInternal(rtlLayoutGrip);
}
rtlLayoutGrip.Dispose();
rtlLayoutGrip = null;
}
}
}
private void EnsureRightToLeftGrip()
{
if (this.SizingGrip && (this.RightToLeft == RightToLeft.Yes))
{
this.RTLGrip.Bounds = this.SizeGripBounds;
if (!base.Controls.Contains(this.RTLGrip))
{
WindowsFormsUtils.ReadOnlyControlCollection controls = base.Controls as WindowsFormsUtils.ReadOnlyControlCollection;
if (controls != null)
{
controls.AddInternal(this.RTLGrip);
}
}
}
else if ((this.rtlLayoutGrip != null) && base.Controls.Contains(this.rtlLayoutGrip))
{
WindowsFormsUtils.ReadOnlyControlCollection controls2 = base.Controls as WindowsFormsUtils.ReadOnlyControlCollection;
if (controls2 != null)
{
controls2.RemoveInternal(this.rtlLayoutGrip);
}
this.rtlLayoutGrip.Dispose();
this.rtlLayoutGrip = null;
}
}
// Ensures the hosted Control is parented to the ToolStrip hosting this ToolStripItem.
private void SyncControlParent()
{
WindowsFormsUtils.ReadOnlyControlCollection newControls = GetControlCollection(ParentInternal);
if (newControls != null)
{
newControls.AddInternal(Control);
}
}
private void SyncControlParent()
{
WindowsFormsUtils.ReadOnlyControlCollection controlCollection = GetControlCollection(base.ParentInternal);
if (controlCollection != null)
{
controlCollection.AddInternal(this.Control);
}
}
protected override void OnParentChanged(ToolStrip oldParent, ToolStrip newParent)
{
if (((oldParent != null) && (base.Owner == null)) && ((newParent == null) && (this.Control != null)))
{
WindowsFormsUtils.ReadOnlyControlCollection controlCollection = GetControlCollection(this.Control.ParentInternal as ToolStrip);
if (controlCollection != null)
{
controlCollection.RemoveInternal(this.Control);
}
}
else
{
this.SyncControlParent();
}
base.OnParentChanged(oldParent, newParent);
}
/// <include file='doc\ToolStripControlHost.uex' path='docs/doc[@for="ToolStripControlHost.OnParentChanged"]/*' />
/// <devdoc>
/// Called when the item's parent has been changed.
/// </devdoc>
protected override void OnParentChanged(ToolStrip oldParent, ToolStrip newParent)
{
if (oldParent != null && Owner == null && newParent == null && Control != null)
{
// if we've really been removed from the item collection,
// politely remove ourselves from the control collection
WindowsFormsUtils.ReadOnlyControlCollection oldControlCollection
= GetControlCollection(Control.ParentInternal as ToolStrip);
if (oldControlCollection != null)
{
oldControlCollection.RemoveInternal(Control);
}
}
else
{
SyncControlParent();
}
base.OnParentChanged(oldParent, newParent);
}
private static WindowsFormsUtils.ReadOnlyControlCollection GetControlCollection(ToolStrip toolStrip)
{
WindowsFormsUtils.ReadOnlyControlCollection newControls =
toolStrip != null ? (WindowsFormsUtils.ReadOnlyControlCollection)toolStrip.Controls : null;
return(newControls);
}
