[x] Check if joining SetResizeGripStyle and SetTitleStyle into SetWindowStyle is possible. Joined.
[x] Treenode - handle IsOpen / IsVisible the same way as CollapsingHeader, but TreeNode doesn't have the Close button. Waits for vvvv/VL.StandardLibs#46.
[x] Tabs - same as CollapsingHeader. Waits for vvvv/VL.StandardLibs#46.
[x] Queries. See: vvvv/VL.StandardLibs#39
[x] Commands. See: vvvv/VL.StandardLibs#40
[ ] Clipping
[ ] Drag&Drop (1st: inside of the app, 2nd: from/to OS)
[x] DragSliders
[ ] StyleSetters: add Widgets (that are affected by this setter) into the Tags.
@azeno
[x] ~~Windows Manipulation Like: SetNextWindowPos, SetNextWindowSize, SetNextWindowCollapsed... See: https://github.com/ocornut/imgui/blob/873e9d35acb4d629a5ba06a312201edff8b9d0f6/imgui.h#L353 We've decided these setter nodes will be below the window.~~
Addressed in vvvv/VL.StandardLibs#40
[ ] Image, ImageButton See: https://github.com/ocornut/imgui/blob/873e9d35acb4d629a5ba06a312201edff8b9d0f6/imgui.h#L497
@antongit
Closebutton. Waits for vvvv/VL.StandardLibs#46.Tags.