Where can I add ƒ??Trimƒ? to this C# statement?

Where can I add ƒ??Trimƒ? to this C# statement?

References

Reference NO 1

#EANF#

Reference NO 2

#EANF#

Reference NO 3

#EANF#

Reference NO 4

#EANF#

Reference NO 5

#EANF#

Reference NO 6

#EANF#

Reference NO 7

#EANF#

Reference NO 8

#EANF#