// Otherwise, set the layered style if needed and set the alpha value
if ((exstyle & WS_EX_LAYERED) == 0 )
SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
// Otherwise, set the layered style if needed and set the alpha value
if ((exstyle & WS_EX_LAYERED) == 0 )
SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);