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📄 00403.htm

📁 提供了Delphi编程的几个巧妙用法
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<p align="left"><span style="BACKGROUND-COLOR: #ff0000"><a href="00403.zip">源程序下载</a></span><b><span style="background-color: #000080"><br>
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</span><span style="background-color: #000080"><a name="1"></a>1:启动屏幕保护程序</span></b><br>
只需要一句话就可以了:SendMessage(HWND_BROADCAST,WM_SYSCOMMAND,SC_SCREENSAVE,0);<br>
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<b><span style="background-color: #000080"><a name="2"></a>2:启动控制面板&nbsp;</span></b><br>
procedure TForm1.Button2Click(Sender: TObject);<br>    
var<br>    
&nbsp;&nbsp;&nbsp; x:cardinal;<br>   
begin<br>   
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL',9); {启动控制面板}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL access.cpl,,1',9); {辅助选项 属性-键盘}<br>   
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL access.cpl,,2',9); {辅助选项 属性-声音}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL access.cpl,,3',9); {辅助选项 属性-显示}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL access.cpl,,4',9); {辅助选项 属性-鼠标}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL access.cpl,,5',9); {辅助选项 属性-常规}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Appwiz.cpl,,1',9); {添加/删除程序 属性-安装/卸载}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Appwiz.cpl,,2',9); {添加/删除程序 属性-Windows安装程序}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Appwiz.cpl,,3',9); {添加/删除程序 属性-启动盘}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,0',9); {显示 属性-背景}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,1',9); {显示 属性-屏幕保护程序}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,2',9); {显示 属性-外观}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,3',9); {显示 属性-设置}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,0',9); {Internet 属性-常规}<br>   
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,1',9); {Internet 属性-安全}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,2',9); {Internet 属性-内容}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,3',9); {Internet 属性-连接}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,4',9); {Internet 属性-程序}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Inetcpl.cpl,,5',9); {Internet 属性-高级}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Intl.cpl,,0',9); {区域设置 属性-区域设置}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Intl.cpl,,1',9); {区域设置 属性-数字}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Intl.cpl,,2',9); {区域设置 属性-货币}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Intl.cpl,,3',9); {区域设置 属性-时间}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Intl.cpl,,4',9); {区域设置 属性-日期}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Joy.cpl,,0',9); {游戏控制器-一般}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Joy.cpl,,1',9); {游戏控制器-高级}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Main.cpl',9); {鼠标 属性}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Mmsys.cpl,,0',9); {多媒体 属性- 音频}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Mmsys.cpl,,1',9); {多媒体 属性- 视频}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Mmsys.cpl,,2',9); {多媒体 属性  -MIDI}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Mmsys.cpl,,3',9); {多媒体 属性  -CD音乐}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Mmsys.cpl,,4',9); {多媒体 属性- 设备}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Modem.cpl',9); {调制解调器 属性}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Netcpl.cpl',9); {网络}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Password.cpl',9); {密码 属性}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Sticpl.cpl',9); {扫描仪与数字相机属性}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Sysdm.cpl,,0',9); {系统 属性-常  规}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Sysdm.cpl,,1',9); {系统 属性-设  备管理器}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Sysdm.cpl,,2',9); {系统 属性-硬  件配置文件}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Sysdm.cpl,,3',9); {系统 属性-性  能}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL timedate.cpl',9); {日期/时间 属  性}<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Powercfg.cpl',9); {电源管理 属性 }<br>    
&nbsp;&nbsp;&nbsp; x:=winexec('rundll32.exe shell32.dll,Control_RunDLL Telephon.cpl',9); {拨号属性}<br>    
    {----------------------调用错误----------------------}<br>    
&nbsp;&nbsp;&nbsp; if x=0 then messagebox(0,'程序超出内存','错误',0);<br>    
&nbsp;&nbsp;&nbsp; if x=ERROR_BAD_FORMAT then messagebox(0,'该程序非一个合法的Win32.EXE程序).','错误',0);<br>    
&nbsp;&nbsp;&nbsp; if x=ERROR_FILE_NOT_FOUND then messagebox(0,'指定文件没找到','错误',0);<br>    
&nbsp;&nbsp;&nbsp; if x=ERROR_PATH_NOT_FOUND then messagebox(0,'指定路径没找到','错误',0);<br>    
end;<br>    
<span style="background-color: #000000">   
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</span>   
<b><span style="background-color: #000080"><a name="3"></a>3:得到系统默认的浏览器<br> 
</span></b>function TForm1.GetBrowerPath(AValue: String): string;<br>    
var<br>    
&nbsp;&nbsp;&nbsp; X:integer;<br>   
&nbsp;&nbsp;&nbsp; tmpstr:string;<br>   
begin<br>   
&nbsp;&nbsp;&nbsp; Result:='没有默认的浏览器';<br>   
&nbsp;&nbsp;&nbsp; if AValue='' then exit;<br>    
&nbsp;&nbsp;&nbsp; for X:=2 to Length(AValue) do<br>    
&nbsp;&nbsp;&nbsp; begin<br>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if AValue[X]='''' then break;<br>    
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tmpstr:=tmpstr+AValue[X];<br>   
&nbsp;&nbsp;&nbsp; end;<br>   
&nbsp;&nbsp;&nbsp; Result:=tmpStr;<br>   
end;<br>   
<br>   
function TForm1.GetDefBrower: string;<br>    
var<br>    
&nbsp;&nbsp;&nbsp; Reg:TRegistry;<br>   
begin<br>   
&nbsp;&nbsp;&nbsp; Result:='';<br>   
&nbsp;&nbsp;&nbsp; Reg:=TRegistry.Create;<br>   
&nbsp;&nbsp;&nbsp; try<br>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; reg.RootKey:=HKEY_CLASSES_ROOT;<br>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if Reg.OpenKey('\http\shell\open\command',false)then<br>    
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if    
Reg.ValueExists('')then Result:=Reg.ReadString('');<br>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reg.Closekey;<br>   
&nbsp;&nbsp;&nbsp; finally<br>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reg.Free;<br>   
&nbsp;&nbsp;&nbsp; end;<br>   
end;<br>   
<br>      
<span style="background-color: #FF0000"><a href="00403.zip">源程序下载</a></span>      
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