Build: NetBeans IDE 7.2 Beta (Build 201205031832)
VM: Java HotSpot(TM) Client VM, 23.0-b21, Java(TM) SE Runtime Environment, 1.7.0_04-b20
OS: Windows 7
GUEST: Dragging files into a folder in the project area.
GUEST: moved (drag&drop) file from windows explorer to project file tree
GUEST: Use Drag&Drop function from Windows to copy a file into the NetBeans project.
paradoxical: Copying a file through drag and drop within Windows. Hunged up.
GUEST: Copy a File with Explorer to Project Folder
GUEST: coppying files from my desktop to a folder in my project ( drag and drop )
GUEST: dragged some files from file explorer to netbeans project window
Maximum slowness yet reported was 39422 ms, average is 11972
Created attachment 120093 [details]
I don't think there is much to do about this problem. The call to JDK while doing D'n'D blocks for 16s for unknown reasons.
I can reproduce this.
As a matter of fact, I can make it hang for ever how long you want it to hang. :)