任意窗口, 拖到屏幕上方向, 自动贴边隐藏(类似QQ).

/*
by QQ 50786729
注意点: 
为防止和系统自带功能冲突, (鼠标拖到屏幕上方时, 窗口自动最大化. 有冲突)
拖动鼠标时, 只要窗口顶端接触到屏幕上方, 就放开, 鼠标留点余地. 鼠标不要接触屏幕顶端.
这样可以和系统功能共存, 互不冲突.
*/
#SingleInstance ignore
CoordMode,Mouse,Screen
hiddenWH:=3        ;~ hiddenWH为高宽补偿值, 作用: 显示边缘条.
HiddenWinID:={}
SetTimer, CursorWinID, 300
OnExit("_ExitApp")
return
#IfWinActive ahk_class SciTEWindow    
F4::
gosub UnAutohideAll
return
F5::    ;{  •••➤  测试用
    PostMessage 0x111, 106, 0,, ahk_class SciTEWindow   ;~ 保存 
    Sleep 500
    Reload
return    ;}

#IfWinActive
~LButton::    ;{  •••➤  
    MouseGetPos,dx1 ,dy1 , LBID1    ;~ 取得鼠标按下时, 窗口ID1
    WinGetPos,px1,py1,pW,pH,ahk_id %LBID1%    ;~ 取得鼠标按下时, 窗口坐标x1,y1
Return    ;}
~LButton Up::    ;{  •••➤  
    MouseGetPos,dx2 ,dy2 , LBID2    ;~ 取得鼠标弹起时, 窗口ID2
    WinGetPos,px2,py2,,,ahk_id %LBID2%        ;~ 取得鼠标弹起时, 窗口坐标x2,y2
    ;~ LButtonY2>0防止和系统最大化冲突.  x移动或y移动=窗口有移动
    if (LBID1=LBID2 && (px1!=px2 || py1!=py2) && (dx1!=dx2 || dy1!=dy2)){    ;~ 窗口已移动
        ;~ __________________鼠标移动模式
        MoveMode=
        if (py1>0 && py2<1 && dy2>0)      ;~ Up 上拖到屏幕顶端 起始y 大于0, 结束y<0, 鼠标抬起y>0
            MoveMode:="Up"
        else if (py1<A_ScreenHeight && py2>A_ScreenHeight)
            MoveMode:="Down"
        else if (px1>0 && px2<1)
            MoveMode:="Left"
        else if (px1<A_ScreenWidth && px2>A_ScreenWidth)
            MoveMode:="Right"
        ;~ Down, Left, Right
        ;~ __________________响应鼠标移动    
        ;~ 格式: HiddenWinID[ID]:=[显x,显y,隐x,隐y,(已显/已隐)]    
        if (MoveMode="Up")
            HiddenWinID[LBID1]:=[px1,py1,px2,-pH + hiddenWH,False]
        else if (HiddenWinID[LBID1]){        
            HiddenWinID.Delete(LBID1)
            WinSet, AlwaysOnTop, off, ahk_id %LBID1% ; 置顶
            ;~ WinSet, Style, +0xC00000, ahk_id %LBID1% ; 标题栏
            WinSet, ExStyle, -0x80, ahk_id %LBID1% ; 移除任务栏图标
        }
    }
Return    ;}

CursorWinID:    ;{  •••➤  鼠标检测
    MouseGetPos, , , curWinId
    if (preWinId!=curWinId){
        if (HiddenWinID[preWinId]){        
            HiddenWinID[preWinId][5]:=True
            WinMove, ahk_id %preWinId%, , HiddenWinID[preWinId][3], HiddenWinID[preWinId][4]         
            WinSet, AlwaysOnTop, on, ahk_id %preWinId%
            ;~ WinSet, Style, -0xC00000, ahk_id %preWinId% 
            WinSet, ExStyle, +0x80,ahk_id %preWinId%
        }
        preWinId:=curWinId            
    }
    if (HiddenWinID[curWinId][5]) { 
        WinMove, ahk_id %curWinId%, , HiddenWinID[curWinId][3], -8 
        HiddenWinID[curWinId][5]:=false
    }
return    ;}
UnAutohideAll:    ;{  •••➤  恢复所有窗口
    for Winid ,var in HiddenWinID
    {
        WinSet, AlwaysOnTop, off, ahk_id %Winid%
        ;~ WinSet, Style, +0xC00000, ahk_id %winId%
        WinSet, ExStyle, -0x80, ahk_id %Winid%
        WinMove, ahk_id %Winid%, , var[1],var[2]
        ;~ HiddenWinID.Delete(Winid)
    }
    HiddenWinID:={}
return    ;}

_ExitApp(){
    Gosub, UnAutohideAll    ;~ 关闭程序时, 恢复所有隐藏窗口
    ExitApp
}