从当前位置绘制一条线, 但不包括指定点.
#Include <WinAPI.au3>
_WinAPI_LineTo($hDC, $iX, $iY)
$hDC | 设备场景的句柄 |
$iX | 线的终点 X 坐标. |
$iY | 线的终点 Y 坐标. |
成功: | 返回 True |
失败: | 返回 False |
在MSDN中搜索
#include <WindowsConstants.au3>
#include <WinAPI.au3>
ShowCross(@DesktopWidth / 2, @DesktopHeight / 2, 20, 2, 0xFF, 3000)
Func ShowCross($start_x, $start_y, $length, $width, $color, $time)
Local $hDC, $hPen, $obj_orig
$hDC = _WinAPI_GetWindowDC(0) ; 全屏场景(桌面)
$hPen = _WinAPI_CreatePen($PS_SOLID, $width, $color)
$obj_orig = _WinAPI_SelectObject($hDC, $hPen)
_WinAPI_DrawLine($hDC, $start_x - $length, $start_y, $start_x - 5, $start_y) ; 水平向左
_WinAPI_DrawLine($hDC, $start_x + $length, $start_y, $start_x + 5, $start_y) ; 水平向右
_WinAPI_DrawLine($hDC, $start_x, $start_y - $length, $start_x, $start_y - 5) ; 垂直向上
;_WinAPI_DrawLine($hDC, $start_x, $start_y + $length, $start_x, $start_y + 5) ; 垂直向下
_WinAPI_MoveTo($hDC, $start_x, $start_y + $length)
_WinAPI_LineTo($hDC, $start_x, $start_y + 5)
Sleep($time) ; 越屏显示定义的秒数
; 刷新桌面 (清除穿越)
_WinAPI_RedrawWindow( _WinAPI_GetDesktopWindow(), 0, 0, $RDW_INVALIDATE + $RDW_ALLCHILDREN)
; 清理资源
_WinAPI_SelectObject($hDC, $obj_orig)
_WinAPI_DeleteObject($hPen)
_WinAPI_ReleaseDC(0, $hDC)
EndFunc ;==>ShowCross