i am use UltraGrid on win10 system,when i touch the grid cell ,it doesn't show virtual soft keyboard.
I believe this is by design.
To my knowledge, there is no option in the controls to auto display the soft keyboard.
I submitted an idea for this to infragistics 3 years ago.
http://ideas.infragistics.com/forums/192359-windows-forms/suggestions/5451906-implement-a-touch-keyboard