add checkerboard background as transparent background

[trance]

add checkerboard background as transparent background

[XnTriq]

Please refer to my instructions on how to enable and configure the checkerboard background in XnView Classic.

[trance]

in my language, the check box name is called by the meaning of "use as wallpaper the marked sample", and it is completely incomprehensible

[XnTriq]

in my language, the check box name is called by the meaning of "use as wallpaper the marked sample", and it is completely incomprehensible

Please post your suggestion for the correct terminology in the translation topic for your native language:

• XnView Classic (currently at v2.50.4)
• XnView MP (currently at v0.99.6)

Thank you!