Telerik UI for WPF

Common
Common FAQ
Getting started with general platform questions.

RadGanttView
NotAllowedTargetDropSlots
This example demonstrates how to create a custom GanttDragDropBehavior in order to achieve a behavior where drag and drop is not allowed in specific time frame slots of the TimeRuler of the control.

RadGridView
Lightweight GridViewComboBoxColumn
This example demonstrates how to configure lightweight GridViewComboBoxColumn with validation.
Sort Group by Aggregate
This example demonstrates how to sort groups by defined aggregate functions.
Sort Group by Different Property
This example demonstrates how to sort groups by different property.
Styling Validation Tooltips
This article describes how the validation tooltip can be customized.
Customize UI programmatically
This example demonstates how to find elements with ParentOfType<> and ChildrenOfType<> methods.
Drag and Drop within RadGridView
This example demonstrates how to implement drag and drop within RadGridView, giving the user feedback where the dragged item will be dropped.
Columns
This chapter give detailed information about columns in RadGridView.
Create Generic DateTimePicker Column
This article demonstrates how a reusable DateTimePicker Column can be defined.
GridViewComboBoxColumn
This article explains how to configure GridViewComboBoxColumn.
Data Operations
This article suggests how to re-evaluate data operations like filtering, sorting or grouping.
ReadOnlyBinding
This example demonstrates how to control which rows or cells to be read only.
Merged Cells
This article explains the support for merged cells in RadGridView.
UI Virtualization
This article explainss how row and column virtualization work. Updated with note on column virtualization.
Performance Tips and Tricks
Updated with two more suggestions.
Export paged data
This example demonstrates how to export paged data to Excel.

RadRichTextBox
Custom Font Properties Dialog
The example demonstrates how to customize the FontPropertiesDialog in RadRichTextBox.

RadScheduleView
AgendaViewDefinition
This example demonstrates how to implement an Agenda ViewDefinition for RadScheduleView using RadListBox.


Telerik UI for Silverlight

Common
Common FAQ
Getting started with general platform questions.

RadGanttView
NotAllowedTargetDropSlots
This example demonstrates how to create a custom GanttDragDropBehavior in order to achieve a behavior where drag and drop is not allowed in specific time frame slots of the TimeRuler of the control.

RadGridView
Lightweight GridViewComboBoxColumn
This example demonstrates how to configure lightweight GridViewComboBoxColumn with validation.
Sort Group by Aggregate
This example demonstrates how to sort groups by defined aggregate functions.
Sort Group by Different Property
This example demonstrates how to sort groups by different property.
Styling Validation Tooltips
This article describes how the validation tooltip can be customized.
Customize UI programmatically
This example demonstates how to find elements with ParentOfType<> and ChildrenOfType<> methods.
Drag and Drop within RadGridView
This example demonstrates how to implement drag and drop within RadGridView, giving the user feedback where the dragged item will be dropped.
Columns
This chapter give detailed information about columns in RadGridView.
Create Generic DateTimePicker Column
This article demonstrates how a reusable DateTimePicker Column can be defined.
GridViewComboBoxColumn
This article explains how to configure GridViewComboBoxColumn.
Data Operations
This article suggests how to re-evaluate data operations like filtering, sorting or grouping.
ReadOnlyBinding
This example demonstrates how to control which rows or cells to be read only.
UI Virtualization
This article explainss how row and column virtualization work. Updated with note on column virtualization.
Performance Tips and Tricks
Updated with two more suggestions.
Export paged data
This example demonstrates how to export paged data to Excel.

RadRichTextBox
Custom Font Properties Dialog
The example demonstrates how to customize the FontPropertiesDialog in RadRichTextBox.

RadScheduleView
AgendaViewDefinition
This example demonstrates how to implement an Agenda ViewDefinition for RadScheduleView using RadListBox.


Telerik UI for WinForms

New help articles
RadDiagrams
Commands
RadDiagram provides a powerful set of RoutedUICommands that help you work with your RadDiagram and its items easily and build better MVVM applications.

RadDropDownList
Populating with data at Design time
This article demonstrates how to populate RadDropDownList with data at design time. The RadListDataItem Collection Editor allows you to do that.
Adding items programmatically
RadDropDownList supports adding items at run time, which means that you can manually populate it with data. This article demonstrates how to add two different items to the RadDropDownList.Items collection.
Data Binding
This article demonstrates how the display of data in a RadDropDownList can be bound to a data source.
Structure
This article describes the inner structure and organization of the elements which build the RadDropDownList control.
Custom Items
This article demonstrates how to display detailed information for each employee from the Northwind.Employees table which is used as data source.
Sorting
RadDropDownList supports sorting of its pop-up items. You can control how the items in the RadDropDownList are sorted by specifying the SortStyle property.
Item Sizing
It demonstrates how to customize the items' size in the pop-up.

RadGridView
Sorting group rows
This article demonstrates how to customize the groups sort order.

RadListControl
Drag and Drop in Bound Mode
This article demonstrates how you can implement drag and drop operation between two bound RadListControl controls. 

Updated help articles
RadGridView
Creating custom cells
It demonstrates an example demonstrates a sample approach how to customize the GridGroupContentCellElement in order to add a drop-down with aggregate functions next to the group header and calculate the function considering the user selection.

RadDropDownList
Auto-complete
It demonstrates how to customize the auto-complete helpers.

RadListView
Custom Items
A new section is included which demonstrates how to create custom items in IconsView.

New KB Article
RadGridView
RadGridView CRUD in Object Relational Hierarchy Mode
CRUD implementation for the inner levels of a RadGridView when set to Object Relational Hierarchy mode.
Use Custom Comparer to Speed up the Sorting in RadGridView
The article shows how you can speed up the grid sorting when large amount of data is used.

RadPdfViewer
NotSupportedException “Startxref keyword cannot be found” when loading pdf file in RadPdfViewer for WinForms
This article demonstrates how to deal with a NotSupportedException (with message “Startxref keyword cannot be found”) which is thrown, when attempting to load a pdf file in RadPdfViewer.
Petya Sotirova is Senior Tech Support Engineer in Telerik XAML Team
About the Author

Petya Sotirova

Petya Sotirova is Senior Tech Support Engineer in Telerik XAML Team, working closely with clients to assist them in adopting the document processing libraries and editors in their applications. Her interests include tinkering with new technologies, reading, and Bulgarian folklore dances.

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