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现在我的代码可以让任何窗口变成800*600的窗口，并可隐藏和显示。但有个问题就是在窗口化后，无法运行其他程序，一但运行，则窗口化的游戏就退出了。（MU登陆器就没事是用VC编的），高手帮解释一下，多多指点！！！！急盼！！！！！！！！！！！！！<br>unit Unit1;<br><br>interface<br><br>uses<br> Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,<br> Dialogs, StdCtrls, Menus, SUIPopupMenu, CoolTrayIcon, ExtCtrls, jpeg;<br><br>type<br> TForm1 = class(TForm)<br> CoolTrayIcon1: TCoolTrayIcon;<br> Timer1: TTimer;<br> Image1: TImage;<br> PopupMenu1: TPopupMenu;<br> N1: TMenuItem;<br> N2: TMenuItem;<br> procedure FormCreate(Sender: TObject);<br> procedure FormClose(Sender: TObject; var Action: TCloseAction);<br> procedure N1Click(Sender: TObject);<br> procedure N2Click(Sender: TObject);<br> private<br> procedure HotKeyDown(var Msg:Tmessage);message WM_HOTKEY;<br> { Private declarations }<br> public<br> { Public declarations }<br> end;<br>var<br> Form1: TForm1;<br> HotKeyid,HotKeyid1,HotKeyid2:Integer;<br> pHwnd:Hwnd;<br> pHmenu:HMENU;<br> style,exstyle:longint;<br> devmode1
EVMODE;<br> bool:boolean;<br>implementation<br>uses Unit2;<br>{$R *.dfm}<br><br><br>procedure TForm1.FormCreate(Sender: TObject);<br><br>begin<br> bool:=false;<br> form1.Hide;<br> //GlobalAddAtom函数得到唯一标识<br> HotKeyid2:=GlobalAddAtom('MyHotKey')-$C00;<br> HotKeyid:=GlobalAddAtom('MyHotKey1')-$C00;<br> //HotKeyId的合法取之范围是0x0000到0xBFFF之间， GlobalAddAtom函数得到的值<br> //在0xC000到0xFFFF之间，所以减掉0xC000来满足调用要求。<br> RegisterHotKey(Handle,HotKeyid,0,VK_F11);<br> RegisterHotKey(Handle,HotKeyid1,0,VK_F9);<br> //热键的辅助按键包括Mod_Ctrl 、Mod_Alt、Mod_Shift,对于Windows兼容键盘还支持Windows<br> //键，即其键面上有Windows标志的那个键，其值为Mod_win。<br> //上面 的代码注册了一个热键：ALT+F8。当然如果你希望象TAKEIT那样，只用F8, 就这么写：<br> //RegisterHotKey(Handle, hotkeyid, 0, VK_F8);<br><br>end;<br>//按下定义的全局热键所响应的代码<br>procedure TForm1.HotKeyDown(var Msg:Tmessage);<br>begin<br> if (Msg.LParamLo=0) and (Msg.LParamHi=VK_F11) then<br> begin<br> pHwnd:=GetForegroundWindow(); //得到在屏幕上最前端的窗口的句柄；也可以用其他API函数指定某个特定窗口<br> //以下是把定义把屏幕变更为1024*768，32位色彩，刷新率为75赫兹<br> if EnumDisplaySettings(0,0,devmode1) then<br> begin<br> devmode1.dmPelsWidth:=1024;<br> devmode1.dmPelsHeight:=768;<br> devmode1.dmBitsPerPel:=32;<br> devmode1.dmDisplayFrequency:=75;<br> ChangeDisplaySettings(devmode1,0);<br> end;<br> pHmenu:=CreateMenu();<br> SetMenu(pHwnd,pHmenu);<br> //得到窗口原来的属性<br> style:=GetWindowLong(pHwnd,GWL_STYLE);<br> //定义新属性<br> style:=WS_OVERLAPPEDWINDOW or WS_VISIBLE ;<br> //更改窗口属性<br> SetWindowLong(pHwnd,GWL_STYLE,style);<br> //得到窗口扩展属性<br> exstyle:=GetWindowLong(pHwnd,GWL_EXSTYLE);<br> //定义新扩展属性<br> exstyle:=WS_EX_APPWINDOW or WS_EX_WINDOWEDGE;<br> //更改窗口扩展属性<br> SetWindowLong(pHwnd,GWL_EXSTYLE,exstyle);<br> //更改的屏幕以屏幕的0，0为坐标，大小为800*600<br> SetWindowPos(pHwnd,HWND_NOTOPMOST,0,0,800,600,SWP_SHOWWINDOW);<br> ShowWindow(pHwnd,SW_SHOWNORMAL);<br> end;<br><br>if (Msg.LParamLo=0) and (Msg.LParamHi=VK_F9) then<br> if bool=false then<br> begin<br> ShowWindow(pHwnd,SW_HIDE); //隐藏窗口<br> bool:=true;<br> end<br> else<br> begin<br> //if (Msg.LParamLo=0) or (Msg.LParamHi=VK_F9) then<br> ShowWindow(pHwnd,SW_RESTORE); //恢复窗口<br> bool:=false;<br> end;<br>end;<br><br>procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);<br>begin<br> UnRegisterHotKey(handle,HotKeyid); //注销热键<br>end;<br><br>procedure TForm1.N1Click(Sender: TObject);<br>begin<br> UnRegisterHotKey(handle,HotKeyid);<br> form1.Close;<br>end;<br><br>procedure TForm1.N2Click(Sender: TObject);<br>begin<br> form2.show;<br>end;<br><br>end.
EVMODE;<br> bool:boolean;<br>implementation<br>uses Unit2;<br>{$R *.dfm}<br><br><br>procedure TForm1.FormCreate(Sender: TObject);<br><br>begin<br> bool:=false;<br> form1.Hide;<br> //GlobalAddAtom函数得到唯一标识<br> HotKeyid2:=GlobalAddAtom('MyHotKey')-$C00;<br> HotKeyid:=GlobalAddAtom('MyHotKey1')-$C00;<br> //HotKeyId的合法取之范围是0x0000到0xBFFF之间， GlobalAddAtom函数得到的值<br> //在0xC000到0xFFFF之间，所以减掉0xC000来满足调用要求。<br> RegisterHotKey(Handle,HotKeyid,0,VK_F11);<br> RegisterHotKey(Handle,HotKeyid1,0,VK_F9);<br> //热键的辅助按键包括Mod_Ctrl 、Mod_Alt、Mod_Shift,对于Windows兼容键盘还支持Windows<br> //键，即其键面上有Windows标志的那个键，其值为Mod_win。<br> //上面 的代码注册了一个热键：ALT+F8。当然如果你希望象TAKEIT那样，只用F8, 就这么写：<br> //RegisterHotKey(Handle, hotkeyid, 0, VK_F8);<br><br>end;<br>//按下定义的全局热键所响应的代码<br>procedure TForm1.HotKeyDown(var Msg:Tmessage);<br>begin<br> if (Msg.LParamLo=0) and (Msg.LParamHi=VK_F11) then<br> begin<br> pHwnd:=GetForegroundWindow(); //得到在屏幕上最前端的窗口的句柄；也可以用其他API函数指定某个特定窗口<br> //以下是把定义把屏幕变更为1024*768，32位色彩，刷新率为75赫兹<br> if EnumDisplaySettings(0,0,devmode1) then<br> begin<br> devmode1.dmPelsWidth:=1024;<br> devmode1.dmPelsHeight:=768;<br> devmode1.dmBitsPerPel:=32;<br> devmode1.dmDisplayFrequency:=75;<br> ChangeDisplaySettings(devmode1,0);<br> end;<br> pHmenu:=CreateMenu();<br> SetMenu(pHwnd,pHmenu);<br> //得到窗口原来的属性<br> style:=GetWindowLong(pHwnd,GWL_STYLE);<br> //定义新属性<br> style:=WS_OVERLAPPEDWINDOW or WS_VISIBLE ;<br> //更改窗口属性<br> SetWindowLong(pHwnd,GWL_STYLE,style);<br> //得到窗口扩展属性<br> exstyle:=GetWindowLong(pHwnd,GWL_EXSTYLE);<br> //定义新扩展属性<br> exstyle:=WS_EX_APPWINDOW or WS_EX_WINDOWEDGE;<br> //更改窗口扩展属性<br> SetWindowLong(pHwnd,GWL_EXSTYLE,exstyle);<br> //更改的屏幕以屏幕的0，0为坐标，大小为800*600<br> SetWindowPos(pHwnd,HWND_NOTOPMOST,0,0,800,600,SWP_SHOWWINDOW);<br> ShowWindow(pHwnd,SW_SHOWNORMAL);<br> end;<br><br>if (Msg.LParamLo=0) and (Msg.LParamHi=VK_F9) then<br> if bool=false then<br> begin<br> ShowWindow(pHwnd,SW_HIDE); //隐藏窗口<br> bool:=true;<br> end<br> else<br> begin<br> //if (Msg.LParamLo=0) or (Msg.LParamHi=VK_F9) then<br> ShowWindow(pHwnd,SW_RESTORE); //恢复窗口<br> bool:=false;<br> end;<br>end;<br><br>procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);<br>begin<br> UnRegisterHotKey(handle,HotKeyid); //注销热键<br>end;<br><br>procedure TForm1.N1Click(Sender: TObject);<br>begin<br> UnRegisterHotKey(handle,HotKeyid);<br> form1.Close;<br>end;<br><br>procedure TForm1.N2Click(Sender: TObject);<br>begin<br> form2.show;<br>end;<br><br>end.