如何識別自動拖動選擇

Question

我正在使用自動編寫自動化腳本：http://www.autoitscript.com/autoit3/index.shtml。在這個過程中，我需要截取用戶選擇的區域。

如何識別使用Autoit 3的鼠標拖動選擇操作？基本上，我需要一些方法來獲取選中矩形的座標...

Answer 1

從AutoIt的論壇拉西姆還跟回答我的一個工作示例這個問題：http://www.autoitscript.com/forum/index.php?showtopic=86894&st=0&gopid=623824&#entry623824

#include <WinAPI.au3> 
#include <WindowsConstants.au3> 
#include <Misc.au3> 
#include <ScreenCapture.au3> 

Global Const $WM_LBUTTONDOWN = 0x0201 
Global $hDLL = DllOpen("User32.dll") 

Global $Drag = False 
Global $aCoord_Start 
Global $aCoord_End 
Global $iLeft, $iTop, $iRight, $iBottom 
Global $sCapture = False 

HotKeySet("{Esc}", "_Exit") 

Global $pStub_MouseProc = DllCallbackRegister ("_Mouse_Handler", "int", "int;ptr;ptr") 

Global $hHookMouse = _WinAPI_SetWindowsHookEx($WH_MOUSE_LL, DllCallbackGetPtr($pStub_MouseProc), _WinAPI_GetModuleHandle(0), 0) 

While 1 
    If $sCapture Then 
     $sCapture = False 
     _ScreenCapture_Capture(@ScriptDir & "\Capture.jpg", $iLeft, $iTop, $iRight, $iBottom) 
    EndIf 
    Sleep(100) 
WEnd 

Func _Mouse_Handler($nCode, $wParam, $lParam) 
    If $nCode < 0 Then Return _WinAPI_CallNextHookEx($hHookMouse, $nCode, $wParam, $lParam) 

    Switch $wParam 
     Case $WM_LBUTTONDOWN 
      $aCoord_Start = MouseGetPos() 
     Case $WM_MOUSEMOVE 
      If _IsPressed("01", $hDLL) Then $Drag = True 
     Case $WM_LBUTTONUP 
      $aCoord_End = MouseGetPos() 

      If $Drag = True Then 
       $Drag = False 

       If $aCoord_Start[0] < $aCoord_End[0] Then 
        $iLeft = $aCoord_Start[0] 
        $iRight = $aCoord_End[0] 
       Else 
        $iLeft = $aCoord_End[0] 
        $iRight = $aCoord_Start[0] 
       EndIf 

       If $aCoord_Start[1] < $aCoord_End[1] Then 
        $iTop = $aCoord_Start[1] 
        $iBottom = $aCoord_End[1] 
       Else 
        $iTop = $aCoord_End[1] 
        $iBottom = $aCoord_Start[1] 
       EndIf 

       $sCapture = True 
       Return 0 
      EndIf 
    EndSwitch 

    Return _WinAPI_CallNextHookEx($hHookMouse, $nCode, $wParam, $lParam) 
EndFunc 

Func _Exit() 
    DllCallbackFree($pStub_MouseProc) 
    _WinAPI_UnhookWindowsHookEx($hHookMouse) 
    DllClose($hDLL) 

    Exit 
EndFunc