UpdateWindow(hwnd) not call WM_PAINT, but DestroyWindow(hwnd) call WM_PAINT

i had develop code with hwnd on UpdateWindow parameter and hButton on DestroyWindow parameter,

i bulit menu WM_COMMAND for disable/enable this hButton with DestroyWindow on WM_PAINT and UpdateWindow on my WM_COMMAND LOWORD(WPARRAM)

what i'm confused is when i use UpdateWindow  is not call WM_PAINT for paint my enable/disable button, but i put DestroyWindow on WM_COMMAND, it's call WM_PAINT

can somebody had solution for this

TQ