To reproduce:
- Add some windows before adding loading the layout. Do not set the active window.
If mDockForms Then
    Dim df1 As New Form
    Dim df2 As New Form
    Dim df3 As New Form

    df1.BackColor = Color.Red
    df1.Text = "Docked Form 1"
    df1.Name = "DockedForm1"
    df2.BackColor = Color.White
    df2.Text = "Docked Form 2"
    df2.Name = "DockedForm2"
    df3.BackColor = Color.Blue
    df3.Text = "Docked Form 3"
    df3.Name = "DockedForm3"

    RadDock1.DockControl(df1, Docking.DockPosition.Left)
    RadDock1.DockControl(df2, Docking.DockPosition.Left)
    RadDock1.DockControl(df3, Docking.DockPosition.Left)

    df1.Show()
    df2.Show()
    df3.Show()
End If

RadDock1.LoadFromXml(xmlfile)

- Start the application, select a window and save the layout.
- Load the layout and you will notice that the last window is active.

Workaround:
Me.RadDock1.ActiveWindow = RadDock1.DockControl(df3, Docking.DockPosition.Left)

Woraround2
- Load the layout in empty RadDock and use it to retrieve the proper index: 
 Dim rd2 As New Docking.RadDock

rd2.LoadFromXml(xmlfile)

For Each c As Control In rd2.Controls
    If TypeOf c Is Docking.ToolTabStrip Then
        RadDock1.ActiveWindow = CType(RadDock1.Controls(1), Docking.ToolTabStrip).TabPanels(CType(c, Docking.ToolTabStrip).SelectedIndex)
    End If
Next

Workaround:

 this.toolTabStrip1.CaptionElement.RightToLeft = false;

To reproduce set AutoDetectMdiChildren to true and add a DocumentWindow to RadDock, using the AddDocument method

Workaround: 
1. Set AutoDetectMdiChildren to false
2. Use HostWindow instead of DocumentWindow

To reproduce:

1.Add a RadForm with RibbonFormBehavior.
2.Add a RadDock with one DocumentWindow and a button inside the ribbon.
3.Create another RadForm with RibbonFormBehavior.
4.Use the following code snippet:

public partial class Form1 : RadForm
{
    public Form1()
    {
        InitializeComponent();
    }

    private void radButtonElement1_Click(object sender, EventArgs e)
    {
        this.IsMdiContainer = true;
        this.radDock1.AutoDetectMdiChildren = true;
        
        ChildForm form = new ChildForm();
        form.Text = "MDI Child 1"; 
        form.MdiParent = this;
        form.Show();
       
    }
}

Workaround: Set RadDock.AutoDetectMdiChildren property to false.

To reproduce:
- Add three charts to a RadLayoutControl (the should have an equal size).
- In the form's constructor add the layout control to a document window.
- Resize the form, the third chart has a different size.

Workaround:
 Use the OnShown event to add the control.

Workaround:

For Each dw As DocumentWindow In Me.RadDock1.DockWindows.DocumentWindows
    dw.TabStripItem.PositionOffset = New Size(1, 0)
Next

To reproduce:
- Add several dock windows and hide some of them.
- Save the layout.
- Load the layout, the windows are not hidden

Workaround:
string strLayout = File.ReadAllText(@"..\..\layout.xml");

foreach (DocumentWindow dw in radDock1.DockWindows.DocumentWindows)
{
    if (strLayout.IndexOf("DesiredDockState=\"Hidden\" Name=\"" + dw.Name + "\"") != -1 && dw.DockState != DockState.Hidden)
    {
        dw.DockState = DockState.Hidden;
    }
}

To reproduce:
- Add a tool window to RadDock
- Make the tool window floating and double-click its title bar.
- Click the maximaze button.
 

This request concerns adding a state for the buttons in the ToolWindow caption, which will allow different theming for the buttons, when the window is active and inactive.

Description: 
Add two MDI child forms. Activate one of the forms and focus the second textbox. After that select the second form. Then return to the first form and you will see that the textbox is not focused. The issue is observed only with Visual Basic. 

To reproduce:
- Add three panels to a document window, add some controls to the panels as well.
- Dock the panels to Top, Bottom and Fill.
- Restart Visual Studio and reopen the designer. 

To reproduce:
- Set the DPI scaling to 150%
- Add document window at runtime, their text property should be bound to the TextProperty of an underlying custom control.
- This works fine with 100%

Workaround:
Explicitly update the window text prior adding it to the RadDock.

Use the attached project to reproduce.

Workaround:
 radDock1.DocumentManager.BoldActiveDocument = false;

The attached videos demonstrate the present behavior and the desired one

How to reproduce:
public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();

        this.radDock1.EnableFloatingWindowSnapping = true;
        DragDropService svc = this.radDock1.GetService<DragDropService>();
        svc.DragDropMode = DragDropMode.Preview;
    }
}

Use attached project to reproduce.

Workaround:
https://docs.telerik.com/devtools/winforms/dock/object-model/customizing-tabstrip-items#documenttabstrip-multi-line-row-layout-with-a-custom-tab-shape

Please run the attached sample project with the latest version. You will notice that the maximized floating window is not loaded properly. This used to work in versions prior to R1 2019.

Workaround: remove "WindowState=Maximized" from the XML.

Hello,

when drag and dropping documents in Dock layout, after some operations application crashes. Crash can be reproduce even in Dock sample from Telerik (Visual Studio Demo). Drag and drop documents into middle area, let them create more pages in one tab and then drag and drop pages to change their order. After several order changes application crashes to windows.

I was already using telerik 2015 version. that was everything ok. Until I decided to upgrade to 2019 version.

I noticed that the new version is having a problem.

When RadDock Using In RightToLeft mode DocumentTabStrip Window apperance corrupted.

I uploaded sample projects for guidance.

Please help me.

My problem is acute.

Hello,

I have downloaded the latest winform version today and launched my application.

I experienced an immediate crash while replacing a document container by a split container.

You can see the small piece of code and the insttruction which is causing the crash ....

Obviously it was working properly before upgrading ...

Can you help? I am now just stuck so a fix or a workaround would be useful...

Thanks,

Olivier D.

if (ctrlOutput == null)
            {
                Telerik.WinControls.UI.RadSplitContainer mainSplitContainer = null;

                ctrlOutput = new ToolWindowOutput(sbOutput);

                var Output = new Telerik.WinControls.UI.Docking.ToolWindow();
                Output.Text = "Output";
                Output.Controls.Add(ctrlOutput);

                var toolTabStrip = new Telerik.WinControls.UI.Docking.ToolTabStrip();
                toolTabStrip.Controls.Add(Output);

                if (this.documentContainer1.Parent == this.radDock1)
                {

>>>>>>>>>>>>>>>>>>>>>>>>>>>>

                    this.radDock1.Controls.Remove(this.documentContainer1); <<<< CRASH HERE

>>>>>>>>>>>>>>>>>>>>>>>>>>>>
                    // need to remplace document container by a split container
                    mainSplitContainer = new Telerik.WinControls.UI.RadSplitContainer();
                    mainSplitContainer.Orientation = System.Windows.Forms.Orientation.Horizontal;
                    mainSplitContainer.Controls.Add(this.documentContainer1);

                    this.radDock1.Controls.Add(mainSplitContainer);
                }
                else
                {
                    mainSplitContainer = (Telerik.WinControls.UI.RadSplitContainer)this.documentContainer1.Parent;
                }

                mainSplitContainer.Controls.Add(toolTabStrip);