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  • Download, pause and resume an download using Indy components

    - by Salvador
    Actually i'm using the TIdHTTP component for download a file from internet. i'm wondering if is possible pause and resume the download using this component o maybe another indy component. this is my current code, this works ok for download a file (without resume), but . now i want pause the download close my app ,and when my app restart then resume the download from the last position saved. var Http: TIdHTTP; MS : TMemoryStream; begin Result:= True; Http := TIdHTTP.Create(nil); MS := TMemoryStream.Create; try try Http.OnWork:= HttpWork;//this event give me the actual progress of the download process Http.Head(Url); FSize := Http.Response.ContentLength; AddLog('Downloading File '+GetURLFilename(Url)+' - '+FormatFloat('#,',FSize)+' Bytes'); Http.Get(Url, MS); MS.SaveToFile(LocalFile); except on E : Exception do Begin Result:=False; AddLog(E.Message); end; end; finally Http.Free; MS.Free; end; end;

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  • TserverSocket and TClientSocket

    - by Georgi Gavrilski
    I use this code to reveive data : But It's not work.Can you Help me ? procedure TForm1.ServerSocket1ClientRead(Sender: TObject; Socket: TCustomWinSocket); var i:integer; sRec : string; begin for i := 0 to ServerSocket1.Socket.ActiveConnections-1 do begin with ServerSocket1.Socket.Connections[i] do begin sRec:=ReceiveText; if sRec < '' then begin if RemoteAddress='192.168.0.1' then begin if ReceiveText='1' then Btn1.Color:=clNavy; ADOQuery1.Active:=True; end; if RemoteAddress='192.168.0.1' then begin if ReceiveText='2' then Btn1.Color:=clRed; Pnl1.Visible:=True; end; end; end; end; end;

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  • FastMM log to file without FullDebugMode

    - by dmauric.mp
    I'd like to get FastMM memory leak report that shows up on app shutdown, but in a file instead of the dialog box. The idea is to use it in a release build as I have trouble reproducing the leaks. I would however prefer to not use the FullDebugMode which seems to be required for logging to a file. Am I missing anything or is this not supported ?

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  • String generation with regex criteria

    - by menjaraz
    I wonder wether it is feasible to implement an optimal string generator Class meeting the following requirements: Generation criteria using regex Lexicographical order enumeration. Count propetry Indexed access I don't feel comfortable with regular expression: I cannot come up with a starting piece of code but I just think of a naive implementation using a TList as a base class and use a filter (Regex) against "brute force" generated string. Thank you.

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  • Avoid painting over nested controls

    - by Cobus Kruger
    I am writing a toolbar-style control and use the ThemeServices unit to paint the background required by the toolbar. Like so: ThemeServices.DrawElement(Canvas.Handle, ThemeServices.GetElementDetails(trRebarRoot), ARect); I then drop child controls onto the toolbar and voila - instant toolbar. Except that every now and again I notice that the nested (child) controls don't repaint as well. So my control paints its background and the child controls disappear until you move the mouse over them. Some of the edit controls show their client area (no border) and some of them are just gone altogether. This happens mostly when I place a window from another application over the toolbar and move it away. I keep thinking this has to be very easy to cure, that perhaps I'm somehow preventing the paint message from reaching the child controls, or missing an override but I have been unable to figure it out.

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  • Implement F3 Find Next using TFindDialog

    - by Pieter van Wyk
    Hi I've implemented a search using the TFindDialog on my form. Everything works well except that I cannot find a way to mimic the "F3 - Find Next" behaviour as in Notepad. Once you have entered a search string, pressing F3 finds the next instance without opening the search dialog. Regards, Pieter.

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  • How to make TWebBrower ignore accelerator chars of others controls?

    - by douglaslise
    I have a TWebBrowser placed on a form with the designMode enabled. Bellow the browser I have a close button with the Caption setted to 'Clos&e'. When I am editing the contents of a document inside the WebBrowser and I press the key E the button close is called. It appears that it is treating TWebBrowser like other controls that don't handle keys (e.g. TButton). How can I solve this? Thanks in advance.

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  • There are another way to load MSHTML documents without use Application.ProcessMessages?

    - by douglaslise
    There are another way to load MSHTML documents without use Application.ProcessMessages? To load a document into a IHTMLDocument I need to do this: while Doc.readyState <> 'complete' do Application.ProcessMessages; I want not to process all the message queue during the loading, because I would be changing my application flow, in other words, some messages that should be processed after the loading to be completed can be processed earlier, even before the loading end. There is a special message code that the IHTMLDocument expect to advance in the loading process? Or there is another way to load? Thanks.

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  • how to close ie8 tabs

    - by omair iqbal
    this code below is not closing tab in internet explorer 8 if i post wm_close command to Wnd it closes internet explorer but i want to close the current tab not entire 'ieframe' is FindWindowEX(Wnd , 0, 'Frame Tab', nil) supposed to retun handle to ie frame? if yes why is it not closing the current tab in internet explorer thanks in advance var Wnd,WndChild : hwnd; begin Wnd := FindWindow('IEFrame', nil); WndChild := FindWindowEX(Wnd , 0, 'Frame Tab', nil); postmessage(WndChild,wm_close,0,0); end;

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  • How to get absolute path from path with system path variables?

    - by The_Fox
    Is there an easy way to translate a path with system path variables to an absolute path? So %ProgramFiles%\Internet Explorer\hmmapi.dll becomes C:\Program Files\Internet Explorer\hmmapi.dll I like to know if there is an API call that can do this, or do I have to do this the hard way and detect %..% sequences and replace them with the appropriate environment variable?

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  • Changing drag cursor in VirtualTreeView

    - by Coder12345
    When using VirtualTreeView drag operation by default is [doCopy,doMove]. Move operation is indicated by arrow pointer with small box and Copy operation is indicated by same pointer icon but with added [+] next to it. By default VT uses copy operation and if you press modifier key (SHIFT key) it modifies operation to move therefore removing the [+] from pointer. Here is what I need: reverse the operations (default would be move, with modifier key pressed - copy) and thus reverse pointer arrow too replace modifier key - CTRL instead of SHIFT read in an event which of the two operations occurred and start copy or move operation Any pointers into right direction(s) appreciated.

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  • How to make TWebBrowser ignore accelerator chars of others controls?

    - by douglaslise
    I have a TWebBrowser placed on a form with the designMode enabled. Bellow the browser I have a close button with the Caption set to 'Clos&e'. When I am editing the contents of a document inside the WebBrowser and I press the key E the button close is called. It appears that it is treating TWebBrowser like other controls that don't handle keys and/or don't accept chars (e.g. TButton). How can I solve this? Thanks in advance.

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  • Why are Pascal control structures inconsistent?

    - by 70Mike
    Most Pascal control structures make sense to me, like: for ... do {statement}; if (condition) then {statement}; while (condition) do {statement}; where the {statement} is either a single statement, or a begin ... end block. I have a problem with: repeat {statement-list} until (expression); try {statement-list} except {statement-list} end; Wouldn't it be better that repeat and try have the same general structure, accepting only a single statement or a begin ... end block, instead of having a statement-list that's not formally blocked with a begin and an end?

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  • Indy10 Deadlock at TCPServer

    - by user1769184
    to write information on the processing state to the GUI inside a tcpserver.onexecute(..) function , i used the following command sequence ExecuteDUMMYCommand(Global_Send_Record); BitMap_PaintImageProcess; TThread.Synchronize(nil, BitMap_PaintImageProcess); The code is working well on some machines, but on a few it fails. The code execution stops atTThread.Synchronize command. I guess on these machines the function call is trapped inside a deadlock Any chance to figure out the real problem behind ? The procedure BitMap_PaintImageProcess , here I create a Bitmap and do a lot of painting stuff , but is seems that this code is never executed ?

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  • IMAP + TLS/SSL with synapse ?

    - by azera
    i'm currently trying to add to a software the capability to list unread emails in the user's inbox using imap. After having no success at all using indy10, I discovered synapse which seemed better for what I needed, but I can't find a way to get it working. My problem is with the login (thus I think with the ssl configuration), I can't find a working combination of "FullSSL", "Sock.SSL.SSLType" and "AutoTLS", whetever I do the "Login()" function fails. For the sake of testing, is any of you able to connect to gmail's imap server using synapse, and if yes how ?

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  • how to update a selectecd record in a dataset an update a onother datatable in another Adoconecion

    - by ml
    I have 2 adoconections and 2 datatables in each conecion (Local Table1_master Table1_Detail) (Network Table1_master Table1_Detail) i show thwm in a DBgrid and now i wouth like to update the (Local Table1_master Table1_Detail) from the tables in (Network Table1_master Table1_Detail) how can i upddate the selected record´s .!!! i try many ways but normaly it insert more recordes and don´t update record i use a .MDB database

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  • Is there a message generator

    - by Jlouro
    I don’t want to have my messages to the user stored in the application, or in a resource file. By message I mean, those difficult strings that we have to write to tell the user what is going on or wrong in the application at the precise time. Is there a simple message generator? Simple stuff, but as to handle singular/plural and feminine/masculine.

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