WPF - DataObject.CopyingEvent should be raised from StartDragging #5137
Description
Is there an existing issue for this?
- I have searched both open/closed issues, no issue already exists.
CefSharp Version
98.1.210
Operating System
Windows 11
Architecture
x64
.Net Version
.net 4.8
Implementation
WPF
Reproduction Steps
- Handle the Copying event for the browser control in any app that has the browser
DataObject.AddCopyingHandler(_browser, new DataObjectCopyingEventHandler((o, e) =>
{
if (e.IsDragDrop)
e.CancelCommand();
}));
- Run the app
- Select some text and start to drag it.
Expected behavior
The Copying event should be raised and in the above case the drag should have been cancelled.
Actual behavior
The Copying event is not raised.
Regression?
No
Known Workarounds
No response
Does this problem also occur in the CEF Sample Application
Not Tested
Other information
You can see where the intrinsic text controls raise this for clipboard and dragdrop ops in their source here.
I checked your source here and while I'm not currently using the latest I can see it's not done in the latest either.