Single framebuffer

[prathima]

Hello..

How to use single frame buffer in STM32L4R9AI-EVAL board

[prathima]

NO ,i don't want to use box..what you said about box that i know....but i want make it directly all pixels to zero of frame buffer...that box just i have taken it for example to write the data into frame buffer....i don't want to use designer...i don't want to use...

1. box1.setColor(touchgfx::Color::getColorFrom24BitRGB(0, 0, 0)); black
2. box1.invalidate();

above instruction my intention..is i want to directly communicate with the frame buffer,,,,so to know am i communicating with frame buffer so i want write some data into it...this is what i want exactly...please can you help me

Thank you so much....

[prathima]

but actually i want to write my touch information into it.....like swiping in alla directions like that

[prathima]

Hello....People

i want to write some data about my own touch into the frame buffer/how do i do that?...and how can i conform that what am writing is storing directly in frame buffer....

i want access the data from frame buffer what i have written to control my operations?

Please can you you respond...as soon as possible.

Thank you?