通过代理服务器发送信息(net send)如何实现? 我写了一个通过信使发送信息的小东东。如何通过代理服务器(http、socket等等)向外网发送信息?代理服务器的知识一窍不通啊!另外,对方如果通过代理服务器上网,有没有办法通过信使给他发信息? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 是NetMessageBufferSend函数function NetSend(dest, Source, Msg: string): Longint; overload;type TNetMessageBufferSendFunction = function(servername, msgname, fromname: PWideChar; buf: PWideChar; buflen: Cardinal): Longint; stdcall;var NetMessageBufferSend: TNetMessageBufferSendFunction; SourceWideChar: PWideChar; DestWideChar: PWideChar; MessagetextWideChar: PWideChar; Handle: THandle;begin Handle := LoadLibrary('NETAPI32.DLL'); if Handle = 0 then begin Result := GetLastError; Exit; end; @NetMessageBufferSend := GetProcAddress(Handle, 'NetMessageBufferSend'); if @NetMessageBufferSend = nil then begin Result := GetLastError; Exit; end; MessagetextWideChar := nil; SourceWideChar := nil; DestWideChar := nil;try GetMem(MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1); GetMem(DestWideChar, 20 * SizeOf(WideChar) + 1); StringToWideChar(Msg, MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1); StringToWideChar(Dest, DestWideChar, 20 * SizeOf(WideChar) + 1); if Source = '' then Result := NetMessageBufferSend(nil, DestWideChar, nil, MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1) else begin GetMem(SourceWideChar, 20 * SizeOf(WideChar) + 1); StringToWideChar(Source, SourceWideChar, 20 * SizeOf(WideChar) + 1); Result := NetMessageBufferSend(nil, DestWideChar, SourceWideChar, MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1); FreeMem(SourceWideChar); end; finally FreeMem(MessagetextWideChar); FreeLibrary(Handle); end;end;function NetSend(Dest, Msg: string): Longint; overload;begin Result := NetSend(Dest, '', Msg);end;function NetSend(Msg: string): Longint; overload;begin Result := NetSend('', '', Msg);end;// Example:procedure TForm1.Button1Click(Sender: TObject);const NERR_BASE = 2100; NERR_NameNotFound = NERR_BASE + 173; NERR_NetworkError = NERR_BASE + 36; NERR_Success = 0;var Res: Longint; sMsg: string;begin Res := NetSend('LoginName', 'Your Message...'); case Res of ERROR_ACCESS_DENIED: sMsg := 'user does not have access to the requested information.'; ERROR_INVALID_PARAMETER: sMsg := 'The specified parameter is invalid.'; ERROR_NOT_SUPPORTED: sMsg := 'This network request is not supported.'; NERR_NameNotFound: sMsg := 'The user name could not be found.'; NERR_NetworkError: sMsg := 'A general failure occurred in the network hardware.'; NERR_Success: sMsg := 'Message sent!'; end; ShowMessage(sMsg);end; 是不行啊!不过www.codelphi.com上有篇晶晶的文章你看过就知道了! dbgrid 问题 会者不难的问题:关于interface SUM与关于DBGrid显示 insufficient memory for this operation 怎样把Unicode码转变成汉字 如何为ADODataSet动态的增加一个计算字段?。 求助!关于控制面板! DCOM 调用 关于日期时间的问题,高分求教! 请问要在TEdit.text组件文本串中找出当前光标在第几个字符上怎么办?谢谢! 关于ADO连接ACCSEE的问题(分不够再加--不灌水就给分) 有谁用过Skin控件,为什么不支持中文字体???急!!!
type
TNetMessageBufferSendFunction = function(servername, msgname, fromname: PWideChar;
buf: PWideChar; buflen: Cardinal): Longint;
stdcall;
var
NetMessageBufferSend: TNetMessageBufferSendFunction;
SourceWideChar: PWideChar;
DestWideChar: PWideChar;
MessagetextWideChar: PWideChar;
Handle: THandle;
begin
Handle := LoadLibrary('NETAPI32.DLL');
if Handle = 0 then
begin
Result := GetLastError;
Exit;
end;
@NetMessageBufferSend := GetProcAddress(Handle, 'NetMessageBufferSend');
if @NetMessageBufferSend = nil then
begin
Result := GetLastError;
Exit;
end;
MessagetextWideChar := nil;
SourceWideChar := nil;
DestWideChar := nil;
try
GetMem(MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1);
GetMem(DestWideChar, 20 * SizeOf(WideChar) + 1);
StringToWideChar(Msg, MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1);
StringToWideChar(Dest, DestWideChar, 20 * SizeOf(WideChar) + 1);
if Source = '' then
Result := NetMessageBufferSend(nil, DestWideChar, nil,
MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1)
else
begin
GetMem(SourceWideChar, 20 * SizeOf(WideChar) + 1);
StringToWideChar(Source, SourceWideChar, 20 * SizeOf(WideChar) + 1);
Result := NetMessageBufferSend(nil, DestWideChar, SourceWideChar,
MessagetextWideChar, Length(Msg) * SizeOf(WideChar) + 1);
FreeMem(SourceWideChar);
end;
finally
FreeMem(MessagetextWideChar);
FreeLibrary(Handle);
end;
end;
function NetSend(Dest, Msg: string): Longint; overload;
begin
Result := NetSend(Dest, '', Msg);
end;function NetSend(Msg: string): Longint; overload;
begin
Result := NetSend('', '', Msg);
end;// Example:
procedure TForm1.Button1Click(Sender: TObject);
const
NERR_BASE = 2100;
NERR_NameNotFound = NERR_BASE + 173;
NERR_NetworkError = NERR_BASE + 36;
NERR_Success = 0;
var
Res: Longint;
sMsg: string;
begin
Res := NetSend('LoginName', 'Your Message...');
case Res of
ERROR_ACCESS_DENIED: sMsg := 'user does not have access to the requested information.';
ERROR_INVALID_PARAMETER: sMsg := 'The specified parameter is invalid.';
ERROR_NOT_SUPPORTED: sMsg := 'This network request is not supported.';
NERR_NameNotFound: sMsg := 'The user name could not be found.';
NERR_NetworkError: sMsg := 'A general failure occurred in the network hardware.';
NERR_Success: sMsg := 'Message sent!';
end;
ShowMessage(sMsg);
end;