取得螢幕數量:
GetSystemMetrics(SM_CMONITORS)
取得多螢幕寬高:
GetSystemMetrics(SM_CXVIRTUALSCREEN);
GetSystemMetrics(SM_CYVIRTUALSCREEN);
將視窗移system tray:
Shell_NotifyIcon()
設定視窗透明度:
First -> Add WS_EX_LAYERED to Window Style ( SetWindowLong )
Then -> SetLayeredWindowAttributes( 0, alpha_value, LWA_ALPHA )
設定視窗為Desktop Tools:
add WS_EX_TOOLWINDOW to Window Style ( SetWindowLong )