CLIPBRD_E_CANT_OPEN error when setting the Clipboard from .NET

Question

Why does the following code sometimes causes an Exception with the contents \"CLIPBRD_E_CANT_OPEN\":

Clipboard.SetText(str);

This usually o

Answer 1

This happen to me in my WPF application. I got OpenClipboard Failed (Exception from HRESULT: 0x800401D0 (CLIPBRD_E_CANT_OPEN)).

i use

ApplicationCommands.Copy.Execute(null, myDataGrid);

solution is to clear the clipboard first

Clipboard.Clear();
ApplicationCommands.Copy.Execute(null, myDataGrid);