（已解决）请问有木有可能不建立GUI在屏幕上画条线？求思路，谢谢！
本帖最后由 bbskingfly 于 2011-8-23 14:53 编辑如题，谢谢 #include <WinAPI.au3>
$hDC = _WinAPI_GetDC(0)
$hPen = _WinAPI_CreatePen(2, 5, 0)
_WinAPI_SelectObject($hDC, $hPen)
_WinAPI_DrawLine($hDC, 200, 200, 800, 200)
_WinAPI_DeleteObject($hPen)
_WinAPI_ReleaseDC(0, $hDC) #include <WindowsConstants.au3>
#include <WinAPI.au3>
ShowCross(@DesktopWidth / 2, @DesktopHeight / 2, 20, 2, 0xFF, 3000)
Func ShowCross($start_x, $start_y, $length, $width, $color, $time)
Local $hDC, $hPen, $obj_orig
$hDC = _WinAPI_GetWindowDC(0) ; DC of entire screen (desktop)
$hPen = _WinAPI_CreatePen($PS_SOLID, $width, $color)
$obj_orig = _WinAPI_SelectObject($hDC, $hPen)
_WinAPI_DrawLine($hDC, $start_x - $length, $start_y, $start_x - 5, $start_y) ; horizontal left
_WinAPI_DrawLine($hDC, $start_x + $length, $start_y, $start_x + 5, $start_y) ; horizontal right
_WinAPI_DrawLine($hDC, $start_x, $start_y - $length, $start_x, $start_y - 5) ; vertical up
; _WinAPI_DrawLine($hDC, $start_x, $start_y + $length, $start_x, $start_y + 5) ; vertical down
_WinAPI_MoveTo($hDC, $start_x, $start_y + $length)
_WinAPI_LineTo($hDC, $start_x, $start_y + 5)
Sleep($time) ; show cross over screen for defined seconds
; refresh desktop (clear cross)
_WinAPI_RedrawWindow(_WinAPI_GetDesktopWindow(), 0, 0, $RDW_INVALIDATE + $RDW_ALLCHILDREN)
; clear resources
_WinAPI_SelectObject($hDC, $obj_orig)
_WinAPI_DeleteObject($hPen)
_WinAPI_ReleaseDC(0, $hDC)
EndFunc ;==>ShowCross 翻了下帮助，一刷新发现已有人回复了... 回复 2# pusofalse
O(∩_∩)O谢谢，原来小弟的版本已经落后这么久了！ 回复 3# powerofos
O(∩_∩)O谢谢，原来小弟的版本已经落后这么久了！ P版大侠真是厉害 本帖最后由 bbskingfly 于 2011-8-23 14:51 编辑
回复 2# pusofalse
谢谢pusofalse版主，学习了，不过可不可以设定线型呢？比如说粗细？
明白了，调整_WinAPI_CreatePen 的参数就可以啦O(∩_∩)O~
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