If the preset path textbox is empty, and you try to open a preset file (Ctrl+O), the application will crash without any message to the user. An exception is thrown because the method OpenCommand_Executed() is attempting to create a directory with an empty path.
Issue
If the preset path textbox is empty, and you try to open a preset file (Ctrl+O), the application will crash without any message to the user. An exception is thrown because the method OpenCommand_Executed() is attempting to create a directory with an empty path.