Completed
Last Updated: 16 May 2019 08:54 by ADMIN
Release R1 2019
The fix in 3Q18 removed the exposed Text property of the RadPanel control.  Setting the text to blank should not have removed the Text property from the control. 
Completed
Last Updated: 28 Aug 2018 13:44 by ADMIN
I can't think of a reason to have text in a panel, however every time one is added from the toolbox it has text set as the control name. I would love this to default to blank.
Completed
Last Updated: 06 Aug 2018 10:57 by Dimitar
Workaround: use CollapsiblePanelAnimationType.Reveal 
Completed
Last Updated: 21 Jun 2018 14:41 by ADMIN
Use attached to reproduce.
- Open the form at design time, the border is correctly set to gray color.
- Start the application, the border changes to blue. 

Workaround:
radCollapsiblePanel1.ControlsContainer.PanelElement.Border.ForeColor = Color.FromArgb(171, 171, 171);

or
ThemeResolutionService.ApplicationThemeName = "Office2013Dark";
Completed
Last Updated: 31 Aug 2017 06:28 by ADMIN
How to reproduce: check the attached video

Workaround: use the attached custom theme
Completed
Last Updated: 10 Aug 2017 06:05 by Todor
To reproduce:
Set at design or at run time the TextAlignment property of RadLabel to TopLeft. nothing happens.

Workaround:
Set the TextAlignment to MiddleLeft and then to TopLeft:
this.radLabel1.TextAlignment = ContentAlignment.Middleleft;
this.radLabel1.TextAlignment = ContentAlignment.TopLeft;
Completed
Last Updated: 15 Aug 2017 10:54 by ADMIN
Please refer to the attached gif file and sample project. The keyboard navigation is enabled for the items in RadCheckedListBox. However, if you press "N" (without pressing ALT) it doesn't select an item starting with "N" but selects the text box since the RadLabel's mnemonic key is "N".

Workaround:
Public Class MyLabel
    Inherits RadLabel
    Protected Overrides Function ProcessMnemonic(charCode As Char) As Boolean
        If Not (Control.ModifierKeys & Keys.Alt) <> Keys.Alt Then
            Return False
        End If

        Return MyBase.ProcessMnemonic(charCode)
    End Function
End Class
Completed
Last Updated: 20 Jul 2016 09:22 by ADMIN
How to reproduce: check the attached project

Workaround: use a custom RadPanel control:
public class MyRadPanel : RadPanel
{
    protected override bool ProcessMnemonic(char charCode)
    {
        if (!Control.IsMnemonic(charCode, this.Text))
        {
            return false;
        }

        if (!this.Enabled || !this.Visible)
        {
            return false;
        }

        Control parentInternal = this.Parent;
        if (parentInternal != null)
        {
            if (parentInternal.SelectNextControl(this, true, false, true, false) &&
                !parentInternal.ContainsFocus)
            {
                parentInternal.Focus();
            }

        }

        return true;
    }
}

Completed
Last Updated: 11 Jul 2016 13:29 by ADMIN
ADMIN
Created by: Dess | Tech Support Engineer, Sr.
Comments: 0
Category:
Type: Bug Report
1
Please refer to the atatched sample project and screenshot.

Workaround: 
You can manipulate the text by inserting new lines in order to simulate the desired wrapping functionality when the auto ellipsis functionality is enabled.
Completed
Last Updated: 06 Jun 2019 13:31 by ADMIN
Release R2 2019 SP1 (LIB 2019.2.610)
How to reproduce: check the attached project

Workaround: resize the size of the hosting RadPanel
private void radCollapsiblePanel_Expanding(object sender, CancelEventArgs e)
{
    this.radPanel1.Size = new Size(this.radPanel1.Size.Width, this.radPanel1.Size.Height - 1);
}

private void radCollapsiblePanel_Expanded(object sender, EventArgs e)
{
    this.radPanel1.Size = new Size(this.radPanel1.Size.Width, this.radPanel1.Size.Height + 1);
}

Completed
Last Updated: 12 Jun 2019 08:18 by ADMIN
Release R2 2019 SP1
To reproduce:
- Use the attached project.
- Resize the panel to the left.
- You will notice that the borders are cut off.

Second scenario: refer to the 1016234GridInCollapsiblePanelVS2010.zip
RadCollapsiblePanel1.ExpandDirection = Telerik.WinControls.UI.RadDirection.Right
RadSplitContainer1.SplitPanels("SplitPanel2").SizeInfo.SizeMode = Telerik.WinControls.UI.Docking.SplitPanelSizeMode.Absolute
RadSplitContainer1.SplitPanels("SplitPanel2").SizeInfo.AbsoluteSize = New System.Drawing.Size(637, 522)

Workaround: manually update the collapsible panel`s size in the SplitterMoved event
public WorkCenterScheduleAndStatusControl()
{
    InitializeComponent();

    this.radSplitContainer1.SplitterMoved += RadSplitContainer1_SplitterMoved;
}

private void RadSplitContainer1_SplitterMoved(object sender, SplitterEventArgs e)
{
    this.radCollapsiblePanel1.Size = new Size(this.radCollapsiblePanel1.Size.Width, this.radCollapsiblePanel1.Size.Height - 1);
    this.radCollapsiblePanel1.Size = new Size(this.radCollapsiblePanel1.Width, this.radCollapsiblePanel1.Size.Height + 1);
}

Completed
Last Updated: 16 Sep 2015 08:05 by ADMIN
To reproduce: add RadCollapsiblePanel to RadLayoutControl, run it and collapse RadCollapsiblePanel => the expand/collapse button will get hidden

Workaround:

 public SampleForm()
        {
            InitializeComponent();

            radCollapsiblePanel1.AutoSize = false;
            radCollapsiblePanel1.Collapsed += radCollapsiblePanel1_Collapsed;
            radCollapsiblePanel1.Expanding += radCollapsiblePanel1_Expanding;
            radCollapsiblePanel1.Expanded += radCollapsiblePanel1_Expanded;

        }

        void radCollapsiblePanel1_Expanded(object sender, EventArgs e)
        {
            UpdateLayout();
        }

        private void UpdateLayout()
        {
            radLayoutControl1.RootElement.InvalidateMeasure(true);
            radLayoutControl1.RootElement.UpdateLayout();

            radCollapsiblePanel1.RootElement.InvalidateMeasure(true);
            radCollapsiblePanel1.RootElement.UpdateLayout();
        }

        void radCollapsiblePanel1_Expanding(object sender, CancelEventArgs e)
        {

            radLayoutControl1.FindItemByControl(radCollapsiblePanel1).MaxSize = new Size(0, 0);
            radLayoutControl1.FindItemByControl(radCollapsiblePanel1).MaxSize = new Size(0, 0);

            UpdateLayout();
        }

        void radCollapsiblePanel1_Collapsed(object sender, EventArgs e)
        {
            radLayoutControl1.FindItemByControl(radCollapsiblePanel1).MaxSize = new Size(31, 0);
            radLayoutControl1.FindItemByControl(radCollapsiblePanel1).MinSize = new Size(31, 0);

            UpdateLayout();
        }
Completed
Last Updated: 23 Jul 2015 10:16 by ADMIN
To reproduce:
- Drop RadPopUpContainer from the toolbox on the windows form. Save the form.
- Change the AllowAutomaticScrollToControl property value.
- Save the form.


Workaround:
Set the property in code:
RadScrollablePanel1.AllowAutomaticScrollToControl = false;
Completed
Last Updated: 12 Jun 2019 08:17 by ADMIN
Release R2 2019 SP1
To reproduce:
- Add to collapsible panels to a form.
- Dock the first to the top and set the Dock property of the second to Fill.
- Set the ExpandDirection of the second to Up.
- Start the application and collapse and then expand the second panel.
- You will notice that the header button is no longer visible.

Workaround:
void radCollapsiblePanel1_Expanded(object sender, EventArgs e)
{
    radCollapsiblePanel2.CollapsiblePanelElement.InvalidateMeasure(true);
}
Completed
Last Updated: 13 Jul 2015 07:35 by ADMIN
To reproduce:
- Set the Localizable property of the form to true.
- Change the header text of the collapsible panel.
Completed
Last Updated: 16 Jun 2015 06:29 by ADMIN
To reproduce:
radRadioButton1.Text = "<html><strong>Test</strong><strong> Test</strong></html>";
radRadioButton1.Enabled = false;
Completed
Last Updated: 07 May 2015 11:05 by ADMIN
If you add a RadCollapsiblePanel to a form in design time, then add some child controls in its control container, then open the Document Outline window, you will see that the child controls are not visible in the Document Outline.

Workaround: There is a workaround which involves creating an inherited RadCollapsiblePanel and assigning it with a custom designer:

[Designer(typeof(MyCollapsiblePanelDesigner))]
class MyCollapsiblePanel : RadCollapsiblePanel
{
    public override string ThemeClassName
    {
        get
        {
            return typeof(RadCollapsiblePanel).FullName;
        }
        set
        {
            base.ThemeClassName = value;
        }
    }
}
 
class MyCollapsiblePanelDesigner : RadControlDesignerLite
{
    public override void Initialize(System.ComponentModel.IComponent component)
    {
        base.Initialize(component);
 
        this.EnableDesignMode((this.Control as RadCollapsiblePanel).ControlsContainer, "ControlsContainer");
        this.EnableDesignMode((this.Control as RadCollapsiblePanel).PanelContainer, "PanelContainer");
    }
 
    public override ControlDesigner InternalControlDesigner(int internalControlIndex)
    {
        return this.DesignerHost.GetDesigner((this.Component as RadCollapsiblePanel).PanelContainer) as ControlDesigner;
    }
 
    public override int NumberOfInternalControlDesigners()
    {
        return 1;
    }
 
    protected override RadControlDesignerLiteActionList CreateActionList()
    {
        return new RadCollapsiblePanelActionList(this);
    }
}

Note that you would need to add references to the System.Design and Telerik.WinControls.UI.Design assemblies in order for the workaround to build. After you build it successfully, you can use the MyCollapsiblePanel component from your toolbox and you will be able to see the child controls in the document outline.
Completed
Last Updated: 05 Jul 2016 11:45 by ADMIN
Sometimes when custom theme is used exception is thrown.

Workaround:
Switch to control default before switching to custom theme.
Completed
Last Updated: 06 Jun 2019 13:30 by ADMIN
Release R2 2019 SP1 (LIB 2019.2.610)
To reproduce:
- Add a collapsible panel to ToolWindow.
- Collapse the panel and redock the tool window.
- The panel cannot be expanded any more.

Workaround:
List<Rectangle> list;
void radDock1_DockStateChanging(object sender, Telerik.WinControls.UI.Docking.DockStateChangingEventArgs e)
{
    list = new List<Rectangle>();
    foreach (var item in e.NewWindow.Controls)
    {
        if (item is RadCollapsiblePanel)
        {
            list.Add(((RadCollapsiblePanel)item).OwnerBoundsCache);
        }
    }
}

void radDock1_DockStateChanged(object sender, Telerik.WinControls.UI.Docking.DockWindowEventArgs e)
{
    int count = 0;
    foreach (var item in e.DockWindow.Controls)
    {
        if (item is RadCollapsiblePanel)
        {
            ((RadCollapsiblePanel)item).OwnerBoundsCache = list[count++];
        }
    }
}

Completed
Last Updated: 07 May 2015 10:45 by ADMIN
To reproduce:
radCollapsiblePanel1.CollapsiblePanelElement.HeaderElement.HeaderButtonElement.MinSize = new Size(100, 100);

Workaround:

 //resize the button
                this.menue.CollapsiblePanelElement.HeaderElement.MinSize = new Size(0, 50);
                this.menue.CollapsiblePanelElement.HeaderElement.HeaderButtonElement.MinSize = new Size(50, 50);
                this.menue.CollapsiblePanelElement.HeaderElement.HeaderButtonElement.MaxSize = Size.Empty;
                //refresh the control
                this.menue.EnableAnimation = false;
                this.menue.IsExpanded = !this.menue.IsExpanded;
                this.menue.IsExpanded = !this.menue.IsExpanded;
                this.menue.EnableAnimation = true;
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