diff -r b9dc9cdfa23a -r 1df2fb3d079c ui/wpf/container.h
--- a/ui/wpf/container.h	Sun Jan 22 17:23:20 2017 +0100
+++ b/ui/wpf/container.h	Sun Jan 22 18:02:45 2017 +0100
@@ -43,6 +43,7 @@
 UI_IMPORT void __stdcall UIlayout_fill(UiContainer *container, int fill);
 UI_IMPORT void __stdcall UIlayout_hexpand(UiContainer *container, int expand);
 UI_IMPORT void __stdcall UIlayout_vexpand(UiContainer *container, int expand);
+UI_IMPORT void __stdcall UIlayout_gridwidth(UiContainer *container, int width);
 
 UI_IMPORT void __stdcall UIlayout_newline(UiContainer *container);