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torben |
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// Upgraded to Delphi 2009: Sebastian Zierer
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(* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TurboPower SysTools
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*
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* The Initial Developer of the Original Code is
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* TurboPower Software
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*
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* Portions created by the Initial Developer are Copyright (C) 1996-2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* ***** END LICENSE BLOCK ***** *)
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{*********************************************************}
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{* SysTools: StNetMsg.pas 4.04 *}
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{*********************************************************}
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{* SysTools: Net Message Class *}
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{*********************************************************}
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{$I StDefine.inc}
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{$H+} {Huge strings}
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unit StNetMsg;
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interface
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uses
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Windows, Classes, StBase;
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type
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TStNetMessage = class(TStComponent)
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private { Private Methods/Properties }
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FAliasNames : TStringList;
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FMsgFrom : string;
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FMsgText : string;
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FMsgTo : string;
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FServerName : string;
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FOnMessageSent : TNotifyEvent;
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protected { Protected Methods/Properties }
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function GetServer: string;
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procedure SetServer(Value: string);
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public { Public Methods/Properties }
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constructor Create(AOwner : TComponent); override;
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destructor Destroy; override;
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procedure AddAlias(AName: string);
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function AliasNames: TStringList;
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procedure RemoveAlias(AName: string);
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procedure Send;
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published { Published Methods/Properties }
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property MsgFrom: string
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read FMsgFrom write FMsgFrom;
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property MsgText: string
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read FMsgText write FMsgText;
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property MsgTo : string
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read FMsgTo write FMsgTo;
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property Server : string
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read GetServer write SetServer;
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property OnMessageSent: TNotifyEvent
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read FOnMessageSent write FOnMessageSent;
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end;
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implementation
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uses SysUtils, StStrL, StNetApi,
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Dialogs;
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constructor TStNetMessage.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FAliasNames := TStringList.Create;
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end;
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destructor TStNetMessage.Destroy;
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begin
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FAliasNames.Free;
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inherited Destroy;
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end;
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procedure TStNetMessage.AddAlias(AName: string);
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var
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ErrorD : DWord;
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begin
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ErrorD := StNetMessageNameAdd(FServerName, AName);
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if ErrorD <> NERR_SUCCESS then
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RaiseStWin32Error(EStNetException, ErrorD);
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end;
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function TStNetMessage.AliasNames: TStringList;
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var
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ErrorD : DWord;
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Buffer : Pointer;
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TotalEntries : DWord;
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EntriesRead : DWord;
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I : Integer;
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begin
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ErrorD := StNetMessageNameEnum(FServerName, 0, Buffer, DWord(-1),
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EntriesRead, TotalEntries, nil);
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if ErrorD = NERR_SUCCESS then begin
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FAliasNames.Clear;
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for I := 0 to EntriesRead-1 do begin
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FAliasNames.Add(TMsgInfo0Array(Buffer^)[I].msgi0_name);
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end;
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StNetApiBufferFree(Buffer);
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end else begin
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RaiseStWin32Error(EStNetException, ErrorD);
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end;
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Result := FAliasNames;
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end;
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procedure TStNetMessage.RemoveAlias(AName: string);
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var
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ErrorD : DWord;
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begin
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ErrorD := StNetMessageNameDel(FServerName, AName);
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if ErrorD <> NERR_SUCCESS then
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RaiseStWin32Error(EStNetException, ErrorD);
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end;
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procedure TStNetMessage.Send;
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var
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ErrorD : DWord;
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Buffer : TLMWideChar;
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begin
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Buffer.Value := nil;
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try
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CvtToWideChar(FMsgText, Buffer);
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ErrorD := StNetMessageBufferSend(FServerName, FMsgTo, FMsgFrom,
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Buffer.Value, Buffer.Length);
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if ErrorD <> NERR_SUCCESS then
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RaiseStWin32Error(EStNetException, ErrorD)
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else
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if Assigned(FOnMessageSent) then FOnMessageSent(Self);
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finally
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FreeMem(Buffer.Value, Buffer.Length);
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end;
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end;
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function TStNetMessage.GetServer: string;
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begin
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{ don't return any UNC notation }
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Result := FilterL(FServerName, '\');
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end;
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procedure TStNetMessage.SetServer(Value: string);
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begin
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{ get rid of any UNC notation or trailing marks }
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Value := FilterL(Value, '\');
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{ do we have a valid server name? }
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if (Length(Value) > 0) then
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if (Win32Platform = VER_PLATFORM_WIN32_NT) and (Win32MajorVersion >= 5) then
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FServerName := Value
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else
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FServerName := '\\' + Value
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else
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FServerName := Value;
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end;
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end.
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