WPF Tips & Tricks (November 2022)

Interesting Support Tickets

WPF Data Grid

• Rounded Corners for GridControl using the Win11 Theme (T1109092)
• Hide Certain Filter Rules from the Excel-style Filter (T1113802)

• Always Display Editor Buttons for GridControl Cells (T1114255)
  Enable the EditorButtonShowMode option within the Data Grid’s View.

• Prevent Selection Based on Row Values (T1112227)
  Use the CanSelectRow and CanUnselectRow events accordingly.

  Help Topic: Selection Availability.

• Apply a Column Filter When a User Clicks a Button or Closes the Filter Popup (T1119268)

  Set the ImmediateUpdateColumnFilter property to false.

WPF Data Editors

• TextEdit - Specify the Symbol Shown when the Value is Zero (T1068346)
• Hide a Badge Based on Parent Control Properties (T1110254)
• Display an Image in the PasswordBoxEdit (T1108671)

• ComboBoxEdit - Enable Text Trimming in Tokens (T1109912)
  Use the TokenTextTrimming and TokenMaxWidth properties to enable trimming and specify maximum token width.

WPF Bars and Ribbon

• Ribbon - Change the Application Button’s Default Caption (T1115090)
  Specify the ApplicationButtonText property.

• BarEditItem - Define a Shortcut Key for the Editor (T1119177)
• BarEditItem - Retain Focus once the Mouse is no Longer in a BarEditItem Region (T1115386)
• Bars - Programmatically Invoke a BarItem’s ToolTip in Touch Mode (T1098887)

WPF Scheduler

• Change Selected Dates in Code (T1117470)
• Paint Resources in the ResourceTreeControl using Colors from the SchedulerControl (T1109951)

Miscellaneous

• Define a WpfSvgPalette in a View Model (T1107764)
• Apply a Different Theme to a Specific Element (T1112205)
• Hide Root Nodes Without Children in the TreeViewControl (T1113732)
• Display a ToolTip for the Category Tab Glyph in the PropertyGridControl (T1113950)

Updated WPF Examples

The following is a list of recently updated GitHub examples:

Data Grid

• WPF Data Grid - Customize the Appearance of Printed/Exported Information
• WPF Data Grid - Add Page Headers and Footers to Exported Data
• WPF Data Grid - Prevent Expand and Collapse Operations for Group Rows
• WPF Data Grid - Select Rows that Contain a Specific Value
• WPF Data Grid - Create a Custom Drop-down Filter
• WPF Data Grid - Use the GridControlLocalizer Class to Localize the Grid
• WPF Data Grid - Use Custom Editors to Edit Cell Values

Data Editors

• WPF LookUpEdit - Customize the Embedded Data Grid
• Populate ComboBoxEdit’s ItemsSource Based on Values from Other Cells

MVVM

• Display Notifications in MVVM Applications using the NotificationService
• Use the EventToCommand Behavior to Execute Commands when an Event is Raised
• Pass data between View Models through the ISupportParameter interface
• Create a Custom Service

Miscellaneous

• Create a RibbonControl
• Use DevExpress Themes in a WPF Application

Documentation Updates

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