# TextCaptureLib COM library python demo
#
# http://www.skesoft.com
#


import win32com.client  # http://sourceforge.net/projects/pywin32/
import win32com.client.dynamic
import ctypes   # http://sourceforge.net/projects/ctypes/
import win32gui

def getClassName(hwnd):
    resultString = ctypes.c_buffer(80)
    ctypes.windll.user32.GetClassNameA(hwnd, resultString, len(resultString))
    return resultString.value

# We'll alter our window enumeration callback thing to get use this:
def windowEnumerationHandler(hwnd, hWndList):
    if hwnd == 0:
        return 0;
    else:
        if getClassName(hwnd).startswith('Progman'):
            hChild = ctypes.windll.user32.GetWindow(hwnd, 5)  #5 = GW_CHILD
            hChild = ctypes.windll.user32.GetWindow(hChild, 5)
            if hChild != 0 and getClassName(hChild).startswith('SysListView32'):
                hWndList.append(hChild)

                #print hChild
    return 1

#
#
def CaptureIt():
    hWndList = []
    win32gui.EnumWindows(windowEnumerationHandler, hWndList)
    if len(hWndList) != 0:
        tcServer = win32com.client.dynamic.Dispatch('TextCaptureLib.TextCapture.1')
        tcWindow = win32com.client.dynamic.Dispatch('TextCaptureLib.Window.1')
 
        # Please set your license info                    
        #if tcServer.License('skesoft', '123456789'):          
        #    #The registered version of Text Capture Library          
        #else:          
        #    #The trial version of Text Capture Library

        tcWindow.Handle = hWndList[0]
        strResult = tcServer.GetText(tcWindow)


        print "Desktop list items captured by TextCatch:\n" + strResult
        del tcWindow
        del tcServer


if __name__== '__main__':
        CaptureIt()