# Blank scrren using imgui-vtk

**URL:** <https://discourse.vtk.org/t/blank-scrren-using-imgui-vtk/10488>\
**Category:** Development\
**Tags:** code\
**Created:** [January 18, 2023, 7:25am UTC](https://discourse.vtk.org/t/blank-scrren-using-imgui-vtk/10488 "2023-01-18T07:25:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![claid00](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/c/ecb155/32.png) [@claid00](https://discourse.vtk.org/u/claid00)\
**Post date:** [January 18, 2023, 7:25am UTC](https://discourse.vtk.org/t/blank-scrren-using-imgui-vtk/10488/1 "2023-01-18T07:25:11Z")

</div>

Dear all developers,

I’m developing 3d visualizer using imgui-vtk.  
Standalone project for 3d visualizer with imgui-vtk works fine, but it does NOT when I integrate other project.

The other project has developed by only C, so I use extern C to load my 3d visualizer using imgui-vtk.

 ![standalone](https://discourse.vtk.org/uploads/default/original/2X/6/66316e1ca742cf42bbe586e62101f04299872b3d.jpeg)  
 ![integrated](https://discourse.vtk.org/uploads/default/original/2X/2/2ad1c1ba7586de109b529eb33f0cb92a77bd865d.jpeg)