this exception will happen randomly in my program ,but i cann't reproduce it , and it cann't be catched by program. so i want to know when and how will this exception happen . i want to check my program and find if there is such code which will make this exception happen

参数名: index
 Source=mscorlib
StackTrace=   在 System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   在 Telerik.WinControls.UI.ColumnLayoutHelper.ProcessColumnsCollection(List`1 columns)
   在 Telerik.WinControls.UI.ColumnLayoutHelper.CalculateColumnsWidth(SizeF availableSize)
   在 Telerik.WinControls.UI.TableViewRowLayout.MeasureRow(SizeF availableSize)
   在 Telerik.WinControls.UI.RowsContainerElement.MeasureOverride(SizeF availableSize)
   在 Telerik.WinControls.RadElement.MeasureCore(SizeF availableSize)
   在 Telerik.WinControls.RadElement.Measure(SizeF availableSize)
   在 Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayout()
   在 Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayoutCallback(ILayoutManager manager) 

Hi,

I am populating a GridViewComboBoxColumn in RadGridView with data from an ArrayList.

How to set a default value on the column (using index from ArrayList or maybe just using string compare) on grid load?

Please advise.

/Br. Anders

Does anyone know how to access the ApplicationMenu on a RadRibbonForm?

I'm trying to add items to the RightColumn area but so far I've not found any documentation on how to get to the Application menu that is NOT added separately but is part of the RadRibbonForm inherently.

Any help would be greatly appreciated!

-Curtis.

I did not find the element, primitive or whatever may be responsible for the color of the hook when a RadCheckBox is checked. Adjusting ButtonElement.CheckMarkPrimitive.CheckElement.ForeColor only applies to the indeterminate square but not to the checked hook.

Am I even able to adjust it's color and would it be dependend of ButtonElement.CheckMarkPrimitive.CheckElement.CheckPrimitiveStyle?

I have some data driven edit fields that I need to edit based on the ControlType enum value in the event handler shown below. Mostly its working, but i have a few questions:

1. Note the commented code in DateEntry. I'd like to customize the date editor as I'm doing this using a DateTimePicker elsewhere in the application. How can I access the properties show in this code?

2. Is there an equivalent of a CheckBox or will I need to use a Yes/no combo box?

Thanks

Carl

        void gvDataDriven_EditorRequired(object sender, EditorRequiredEventArgs e)
        {
            int dataDrivenSetupID = int.Parse(gvDataDriven.CurrentRow.Cells["DataDrivenSetupID"].Value.ToString());

            DataDrivenSetup dataDrivenSetup = dataDrivenSetupList.Where(n => n.DataDrivenSetupID == dataDrivenSetupID).FirstOrDefault();

            switch ((ControlType)dataDrivenSetup.ControlID)
            {
                case ControlType.TextBox:

                    VirtualGridTextBoxEditor virtualGridTextBoxEditor = new VirtualGridTextBoxEditor();
                    virtualGridTextBoxEditor.MaxLength = dataDrivenSetup.MaxLength.Value;
                    e.Editor = virtualGridTextBoxEditor;
                    break;

                case ControlType.NumericEntry:
                    VirtualGridMaskedEditBoxEditor virtualGridMaskedEditBoxEditor = new VirtualGridMaskedEditBoxEditor();
                    virtualGridMaskedEditBoxEditor.MaskTextBox.MaskType = MaskType.Standard;
                    virtualGridMaskedEditBoxEditor.MaskTextBox.Mask = "000000.00";
                    virtualGridMaskedEditBoxEditor.MaskTextBox.TextAlign = HorizontalAlignment.Right;
                    virtualGridMaskedEditBoxEditor.MaskTextBox.TextMaskFormat = MaskFormat.ExcludePromptAndLiterals;
                    e.Editor = virtualGridMaskedEditBoxEditor;
                    break;

                case ControlType.DateEntry:
                    VirtualGridDateTimeEditor virtualGridDateTimeEditor = new VirtualGridDateTimeEditor();
                    //virtualGridDateTimeEditor.NullText = "MM/DD/YYYY";
                    //virtualGridDateTimeEditor.NullableValue = null;
                    //virtualGridDateTimeEditor.SetToNullValue();
                    //virtualGridDateTimeEditor.Format = DateTimePickerFormat.Short;
                    //virtualGridDateTimeEditor.DateTimePickerElement.TextBoxElement.MaskType = MaskType.FreeFormDateTime;

                    e.Editor = virtualGridDateTimeEditor;
                    break;

                case ControlType.CheckBox:
                    break;

                case ControlType.ComboBox:
                    VirtualGridDropDownListEditor dropDownListEditor = new VirtualGridDropDownListEditor();
                    RadDropDownListEditorElement element = dropDownListEditor.EditorElement as RadDropDownListEditorElement;
                    List<Dictionary> data = CommonServices.GetDictionary((EDictionaryType)dataDrivenSetup.DictionaryTypeID, 1, true);
                    element.DataSource = data;
                    element.ValueMember = "DictionaryID";
                    element.DisplayMember = "Description";
                    element.DropDownStyle = RadDropDownStyle.DropDownList;
                    e.Editor = dropDownListEditor;

                    break;
            }

        }

I am using a MultiComboBox column in a grid to display attribute types. This is the code to add the column:

                GridViewMultiComboBoxColumn col = new GridViewMultiComboBoxColumn("");
                col.DataSource = maintenance.AttributesTypesSelectAll();
                col.DisplayMember = "attributetype";
                col.ValueMember = "attributetypeid";
                col.FieldName = "attributetypeid";
                col.HeaderText = "Type";
                this.grdAttributes.Columns.Add(col);

This is the code to show the correct editor when the column is selected:

       private void grdAttributes_CellBeginEdit(object sender, GridViewCellCancelEventArgs e)
        {
            if (this.grdAttributes.CurrentColumn is GridViewMultiComboBoxColumn)
            {
                if (!this._isColumnAdded)
                {
                    this._isColumnAdded = true;

                    RadMultiColumnComboBoxElement editor = (RadMultiColumnComboBoxElement)this.grdAttributes.ActiveEditor;
                    editor.EditorControl.MasterTemplate.AutoGenerateColumns = false;
                    editor.EditorControl.Columns.Add(new GridViewTextBoxColumn("attributetype"));
                    editor.EditorControl.Columns["attributetype"].HeaderText = string.Empty;
                    editor.AutoSizeDropDownToBestFit = true;
                }
            }
        }

This works correctly and maps the column to the right value when the column is loaded, but when I edit the column or add a new column it doesn't retain the value. I feel like I'm missing a step but just not sure what at this point. What is the correct way to use a MultiComboBox in a RadGrid to show the text assoicated with an ID field rather than the ID, and then retain that value on add/edits.

Hi, i'm evaluating radchat for winforms for a messenger project i have to do.  

does it natively support multiple authors that are separate from each other?  Think a typical messenger like face book messenger etc.  you have a list of people you're talking to on the left and the current person you're talking to on the right.  

does rad chat support that natively?  if not are there any samples or how too's that show this?

i'd like it to know when a different author is posted to the control and put it in the correct person on the left and light up etc showing it's got a new message.

i've tried adding multiple authors to it with different messages but it just puts them all in the same window with different names above them.

i really need them to be separated out into their own conversations.

Thanks!

Hi,
     How to change fore color for specific node ?  i have 3 level node and want to change fore color for 3rd level node only, below the code i used but not color not changed. 

        Private Sub RadButton1_Click(sender As Object, e As EventArgs) Handles RadButton1.Click
        Dim filePath As String = "20230824.124217\20230824.1242174616\00001.tif"
        Dim filenode As String() = filePath.Split("\")
        Dim addNode As String = ""
        For i = 0 To filenode.Count - 1
            If addNode = "" Then
                addNode = filenode(i)
            Else
                addNode = addNode & "\" & filenode(i)
            End If
            Dim searchKey As String = addNode
            Dim nodeExists As Boolean = CheckNodeExists(RadTreeView1.Nodes, searchKey)
            If Not nodeExists Then
                RadTreeView1.ForeColor = Color.Red

                Dim folderNode As RadTreeNode = New RadTreeNode()

                folderNode.ForeColor = System.Drawing.Color.Green

                RadTreeView1.AddNodeByPath(addNode)
            End If
        Next
        RadTreeView1.Update()
        RadTreeView1.Refresh() 
      End Sub

   
     Private Function CheckNodeExists(nodes As RadTreeNodeCollection, searchKey As String) As Boolean
        For Each node As RadTreeNode In nodes
            If node.FullPath = searchKey Then
                ' Node found
                Return True
            End If

            ' Recursively check child nodes
            If node.Nodes.Count > 0 Then
                If CheckNodeExists(node.Nodes, searchKey) Then
                    Return True
                End If
            End If
        Next

        ' Node not found
        Return False
    End Function

Pls reply asap.

Thanks and Regards
Aravind

hi all,

I am trying to set some RadDataEntry RadTextBox as ReadOnly, as shown in the following link 

https://www.telerik.com/forums/raddataentry-controls-readonly

Here is my code :

    private void rdeDynamicInput_ItemInitialized(object sender, ItemInitializedEventArgs e)
    {
            if (e.Panel.Controls[0].GetType().ToString() == "Telerik.WinControls.UI.RadCheckBox" ||
                e.Panel.Controls[0].GetType().ToString() == "Telerik.WinControls.UI.RadTextBox")
                  {
                   ((RadTextBox)e.Panel.Controls[0]).ReadOnly = true;
                  }
    }

Thanks for your help

Best

Patrick