DesktopUIControl.AcceptRawDataDrop
From Xojo Documentation
Method
DesktopUIControl.AcceptRawDataDrop(Type as String)
New in 2021r3
Supported for all project types and targets.
New in 2021r3
Supported for all project types and targets.
Permits data (of the Type specified) to be dropped on the control.
Sample Code
The following specfies a generic file type defined in the File Type Sets editor.
Me.AcceptRawDataDrop("????")