Displaying a simple static class content in SfDataGrid and then doing a rapid sequence of single row drag and drops (ie. simulating manually rearranging or sorting the grid rows with mouse) raises the following exception:
Exception thrown: 'System.InvalidCastException' in PresentationFramework.dll Unable to cast object of type 'System.Collections.Hashtable' to type 'System.String'. The program ' RX_Mockups_WPF_2.exe: Program Trace' has exited with code 0 (0x0). The program ' RX_Mockups_WPF_2.exe' has exited with code -1 (0xffffffff). The program ' RX_Mockups_WPF_2.exe: Managed (v4.6, v4.5, v4.0)' has exited with code -1 (0xffffffff).
Was tested and found to throw this exception on both v188.8.131.52 and v184.108.40.206 controls (WPF) and using .net framework 4.7.2 and when testing v220.127.116.11 with .net framework 4.6.1
I attach the VS2019 code.