Question

Is it possible to change border style of window to have no border, using pinvoke?
If it isn’t possible, how can i get the client rectangle without borders?
I am standing over problem where each computer opens this window with another param size.

I have specific window with its intPtr hwnd.

Answer 1

You can use SetWindowLong winapi function to set window style. Just use only necessary styles that do not include WS_THICKFRAME or WS_BORDER or similar

SetWindowLong and List of windows styles

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