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Ahoy Autoit Community! After many trials and errors I am unable to solve a problem I am facing and would appreciate any kind of input or better yet a solution The Premise: An embeded slideshow viewer that runs after double-clicking an item in a ListView (each item will generate a different slideshow images). The Setup: GUI with a ListView Control and a simple exit button. The Issue: Once double clicked the slide plays however the GUI "locks"/non responsive until the slide is over. Same thing if I click on the "Test" button. The Culprit: I believe since it's in the images loop it can't accept any other commands until that loop is over. The Wish: I want to be able to use the GUI functions (selecting other items, clicking on button etc.) while the slideshow plays. The Code (stripped and simplified as much as I could): #include <GuiListView.au3> #include <File.au3> #include <GDIPlus.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> Opt("GUIOnEventMode", 1) HotKeySet("{Esc}", "_Exit") Global $c=0 Global $ssGDI[3], $ssGraphic[2], $ssImage Global Const $bg_color = "000000" Global Const $ssW = 480, $ssH = 320 Global $aFiles = _FileListToArrayRec("d:\testStage\", "*.jpg;*.png;*.bmp;*.gif;*.JPG;*.PNG;*.BMP;*.GIF", $FLTAR_FILES, $FLTAR_NORECUR ,$FLTAR_SORT ,$FLTAR_FULLPATH ) $guiW = 1200 $guiH = 726 $mainWindow = GUICreate("Slideshow Viewer", $guiW, $guiH, -1, -1, $WS_POPUP) $Button1 = GUICtrlCreateButton("Exit", 0, 0, 50, 50) GUICtrlSetOnEvent($Button1, "_Exit") $Button1 = GUICtrlCreateButton("Test", 60, 0, 50, 50) GUICtrlSetOnEvent($Button1, "Test") Global $ListView = GUICtrlCreateListView("Entry Name|Category", 5, 75, 195, 280) _GUICtrlListView_SetColumnWidth ($ListView, 0, 100) _GUICtrlListView_SetColumnWidth ($ListView, 1, 100) GUICtrlSendMsg($ListView, $LVM_SETEXTENDEDLISTVIEWSTYLE, $LVS_EX_GRIDLINES, $LVS_EX_GRIDLINES) GUICtrlSendMsg($ListView, $LVM_SETEXTENDEDLISTVIEWSTYLE, $LVS_EX_FULLROWSELECT, $LVS_EX_FULLROWSELECT) GUICtrlCreateListViewItem("Name 1|Category 1", $ListView) GUICtrlCreateListViewItem("Name 2|Category 2", $ListView) screenshotWidgetInit($ssW,$ssH, 690, 100) GUISetState(@SW_SHOW, $mainWindow) GUIRegisterMsg($WM_NOTIFY, "WM_Notify_Events") While 1 $nMsg = GUIGetMsg() Switch $nMsg Case $GUI_EVENT_CLOSE _Exit() EndSwitch WEnd Func Test() For $k = 1 To UBound($aFiles) - 1 screenshotWidgetTransition($aFiles[$k]) Next EndFunc Func ListView_Click() ConsoleWrite("Left Click") EndFunc Func ListView_DoubleClick() ConsoleWrite("Double Left Click") Test() EndFunc Func WM_Notify_Events($hWndGUI, $MsgID, $wParam, $lParam) #forceref $hWndGUI, $MsgID, $wParam Local $tagNMHDR, $event, $hwndFrom, $code $tagNMHDR = DllStructCreate("int;int;int", $lParam) If @error Then Return $event = DllStructGetData($tagNMHDR, 3) Select Case $wParam = $ListView Select Case $event = $NM_CLICK ListView_Click () Case $event = $NM_DBLCLK ListView_DoubleClick () EndSelect EndSelect Return $GUI_RUNDEFMSG EndFunc Func screenshotWidgetTransition($image, $delay = 0, $speed = 1, $sleep = 2000) Local $a, $d = $c, $iX, $iY $ssImage = _GDIPlus_ImageLoadFromFile($image) $iX = _GDIPlus_ImageGetWidth($ssImage) $iY = _GDIPlus_ImageGetHeight($ssImage) $FDesktop=$ssH/$ssW $Fact =1 If $iX > $ssW And $FDesktop > ($iY/$iX) Then $Fact=$ssW/$iX ElseIf $iY > $ssH Then $Fact=$ssH/$iY EndIf $H1 = Round(($Fact * $iY),0) $W1 = Round(($Fact * $iX),0) _GDIPlus_GraphicsDrawImageRect($ssGraphic[$d], $ssImage,($ssW - $W1)/2, ($ssH - $H1) / 2,$W1,$H1) WinSetTrans($ssGDI[$d], "", 0) WinSetOnTop($ssGDI[$d], "", 1) For $a = 0 To 254 Step $speed WinSetTrans($ssGDI[$d], "", $a) Sleep($delay) Next WinSetTrans($ssGDI[$d], "", 254) WinSetOnTop($ssGDI[Not ($d)], "", 0) WinSetTrans($ssGDI[Not ($d)], "", 0) _GDIPlus_GraphicsClear($ssGraphic[Not ($d)]) $c = 1 - $d _GDIPlus_ImageDispose ($ssImage) ; very important to realease the pics Sleep($sleep) EndFunc ;==>screenshotWidgetTransition Func screenshotWidgetInit($ssW,$ssH,$ssX,$ssY) $ssGDI[2] = GUICreate("", $ssW, $ssH, $ssX, $ssY, $WS_POPUP, $WS_EX_MDICHILD, $mainWindow) $ssGDI[0] = GUICreate("", $ssW, $ssH, 3, 3, $WS_POPUP, $WS_EX_MDICHILD, $ssGDI[2]) $ssGDI[1] = GUICreate("", $ssW, $ssH, 3, 3, $WS_POPUP, $WS_EX_MDICHILD, $ssGDI[2]) ; GUISetBkColor("0x" & $bg_color, $ssGDI[2]) GUISetState(@SW_SHOW, $ssGDI[2]) GUISetState(@SW_SHOW, $ssGDI[0]) GUISetState(@SW_SHOW, $ssGDI[1]) WinSetTrans($ssGDI[0], "", 0) WinSetTrans($ssGDI[1], "", 0) _GDIPlus_Startup() $ssGraphic[0] = _GDIPlus_GraphicsCreateFromHWND($ssGDI[0]) $ssGraphic[1] = _GDIPlus_GraphicsCreateFromHWND($ssGDI[1]) _GDIPlus_GraphicsClear($ssGraphic[0], "0xFF" & $bg_color) _GDIPlus_GraphicsClear($ssGraphic[1], "0xFF" & $bg_color) EndFunc ;==>screenshotWidgetInit Func _Exit() _GDIPlus_ImageDispose($ssImage) _GDIPlus_GraphicsDispose($ssGraphic[0]) _GDIPlus_GraphicsDispose($ssGraphic[1]) GUIDelete($ssGDI[0]) GUIDelete($ssGDI[1]) GUIDelete($ssGDI[2]) _GDIPlus_Shutdown() Exit EndFunc ;==>_Exit I hope someone can shed light on this; perhaps a different approach is needed? Thank you in advance! P.S. The script is patched from different scripts of different users in the forum - thank you again users!