Hello Gnozal,
you have got mail. 
Removing and re-creating the splitter doesn't changed anything.
Edit: Oh, I see you worked already on this issue and edit your post.
Okay, I test the new version now, Mr. "faster than light".  
Edit2: You'r my hero! All works very fine now.
The splitterentry is now at the end of the gadget list.
Maybe some day I can buy you a really big drink. 
Code: Select all
   [...]
    Window_Main_Text_LastWatchdogLineModule = TextGadget(#PB_Any, 540, 390, 150, 15, "Watchdog l. Eingriff bei:")
    Window_Main_Container_ModuleProgram = ContainerGadget(#PB_Any, 220, 0, 240, 280, #PB_Container_BorderLess)
      Window_Main_String_ModuleProgramHeader = StringGadget(#PB_Any, 5, 0, 160, 15, "Cmd   Li.Mod IO = Wert", #PB_String_BorderLess|#PB_String_ReadOnly)
      Window_Main_Editor_ModuleProgram = EditorGadget(#PB_Any, 0, 18, 240, 240)
      Window_Main_String_ModuleProgramFooter = StringGadget(#PB_Any, 0, 260, 240, 20, "", #PB_String_ReadOnly)
    CloseGadgetList()
    Window_Main_Splitter_LinesTree = SplitterGadget(#PB_Any, 15, 60, 460, 280, Window_Main_Tree_LinesAndModules, Window_Main_Container_ModuleProgram, #PB_Splitter_FirstFixed|#PB_Splitter_Vertical)
    Window_Main_Splitter_Registers = SplitterGadget(#PB_Any, 480, 215, 210, 125, Window_Main_ListView_Registers, Window_Main_Text_RegisterComment, #PB_Splitter_FirstFixed)
    SetGadgetAttribute(Window_Main_Splitter_LinesTree, #PB_Splitter_FirstMinimumSize, 120)
    SetGadgetAttribute(Window_Main_Splitter_LinesTree, #PB_Splitter_SecondMinimumSize, 175)
    SetGadgetState(Window_Main_Splitter_LinesTree, 215)
    SetGadgetAttribute(Window_Main_Splitter_Registers, #PB_Splitter_FirstMinimumSize, 45)
    SetGadgetAttribute(Window_Main_Splitter_Registers, #PB_Splitter_SecondMinimumSize, 20)
    SetGadgetState(Window_Main_Splitter_Registers, 100)
    PureRESIZE_SetGadgetResize(Window_Main_Frame3D_ProgramManager, 1, 1, 1, 1)
    PureRESIZE_SetGadgetResize(Window_Main_Text_Lines, 1, 1, 0, 0)
    PureRESIZE_SetGadgetResize(Window_Main_Text_ModuleProgram, 1, 1, 0, 0)
   [...]