* OpenTK:

* OpenTK:
* OpenTKGameWindow.cs:

* Tests.csproj:
* GOLIBTest_4.cs:
* GOLIBTest_1.cs:
* Window.goml:
* Listbox.goml:
* test4.goml:
* GOLIBTest_Expandable.cs:
* testExpandable.goml: debug and test

* Colors.cs: debug argb->rgba

* CompilerServices.cs: value type conversion

* Border.cs: default border =1

* Checkbox.cs:
* Expandable.cs: changes in update technic

* Group.cs: Clipping debug (need rework)

* Label.cs: debug text positionning

* Slider.cs: debug

* TextBox.cs: selectable=true by default