Shoutbox

code:

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function MakeWndTransparent(hWnd, lTransparencyLevel){
     var nMsg = Interop.Allocate(4);
     var GWL_STYLE = (-20);
     var LWA_ALPHA = 0x2;
     var WS_EX_LAYERED = 0x80000;
     var WS_EX_TRANSPARENT = 0x20;
     nMsg.WriteDWORD(0, Interop.Call('user32', 'GetWindowLongW', hWnd, GWL_STYLE); | WS_EX_LAYERED);
     Interop.Call('user32', 'SetWindowLongW', hWnd, GWL_STYLE, nMsg.ReadDWORD(0));
     Interop.Call('user32', 'SetLayeredWindowAttributes', hWnd, 0, lTransparencyLevel, LWA_ALPHA);
}

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I just read your post, you want to hide the window, well your code was to try set the Transparency level. To hide and show a window you can use this:

code:

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/* function : _hide | hides the window */
function _hide(hWnd){
     var SW_HIDE = 0;
     Interop.Call('user32', 'ShowWindow', hWnd, SW_HIDE);
}

/* function : _show | shows the window */
function _show(hWnd){
     var SW_SHOW = 5;
     Interop.Call('user32', 'ShowWindow', hWnd, SW_SHOW);
}

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