EditDesignerObject Event

In This Topic

This event is triggered, when the user double clicks on the newly added object or selects the item "Properties" from the context menu. Here as well, you can gain access to the designer window through event arguments, and a separate dialog can be displayed. In the example, you see the display of a file selection dialog. Here, you can choose a graphic to be displayed in the designer. The dialog is displayed by double-clicking on the object.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Event EditDesignerObject As EditDesignerObjectHandler

public event EditDesignerObjectHandler EditDesignerObject

public:
event EditDesignerObjectHandler^ EditDesignerObject

Event Data

The event handler receives an argument of type EditDesignerObjectEventArgs containing data related to this event. The following EditDesignerObjectEventArgs properties provide information specific to this event.

Property	Description
DesignerWindow	Access to the designer window.
HasChanged	Set to indicate if the object has been changed.

Example

private void designerObject1_EditDesignerObject(object sender, EditDesignerObjectEventArgs e)
{
     DesignerObject desobj = (DesignerObject) sender;
     OpenFileDialog dialog = new OpenFileDialog();
     dialog.Filter = "JPEG files (*.jpg)|*.jpg|All files (*.*)|*.*";

     if(desobj.ObjectProperties.Contains("imagefile"))
          dialog.FileName = desobj.ObjectProperties["imagefile"].ToString();

     if(dialog.ShowDialog(e.DesignerWindow) == DialogResult.OK)
     {
          desobj.ObjectProperties["imagefile"] = dialog.FileName;
          e.HasChanged = true;
     }
}

Requirements

Platforms: Windows 10 (Version 21H2 - 22H2), Windows 11 (22H2 - 25H2), Windows Server 2016 - 2025
.NET: .NET Framework 4.8, .NET 8, .NET 9, .NET 10

Reference

DesignerObject Class
DesignerObject Members

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