win.asm

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;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;	Programmed by 罗云彬, [e-mail]
;	Website: http://asm.yeah.net
;	LuoYunBin's Win32 ASM page (罗云彬的编程乐园)
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
;	公用子程序部分：窗口部分
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_CenterWindow	proto	:DWORD		;将窗口移动到屏幕中间
;********************************************************************
;	将窗口移动到屏幕中间
;	参数：窗口句柄
;********************************************************************
_CenterWindow	proc	hWnd:DWORD
		local	@stRectDeskTop:RECT,@stRectWin:RECT
		local	@dwWidth:DWORD,@dwHeight:DWORD

		invoke	GetWindowRect,hWnd,addr @stRectWin
		invoke	GetDesktopWindow
		mov	ebx,eax
		invoke	GetWindowRect,ebx,addr @stRectDeskTop

		mov	eax,@stRectWin.bottom
		sub	eax,@stRectWin.top
		mov	@dwHeight,eax
		mov	eax,@stRectWin.right
		sub	eax,@stRectWin.left
		mov	@dwWidth,eax

		mov	ebx,@stRectDeskTop.bottom
		sub	ebx,@dwHeight
		shr	ebx,1
		mov	ecx,@stRectDeskTop.right
		sub	ecx,@dwWidth
		shr	ecx,1

		invoke	MoveWindow,hWnd,ecx,ebx,@dwWidth,@dwHeight,FALSE
		ret

_CenterWindow	endp