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I assume you are settings hte parameters at some stage? or is this being done automatically via teh Update link? If so, are you sure you aren't closing the dataset that provides these parameters???? Again, the more detail you can post about your application the better....sounds like you have...

can you include the SQL that is being executed? have you tried adding some exception handling to get a better idea as to what is causing the error? e.g. form1.DataSource2.DataSet.Close; try if form1.IBTransaction1.InTransaction then form1.IBTransaction1.Commit...

You're not likely to get a lot of replies with statements like: 'If not then give me a function' having said that, a simple google search turned up: http://www.experts-exchange.com/Programming/Programming_Languages/Delphi/Q_20722390.html

the only thing I can think of is that hte hBmp is not being created on rare occaisions.. you might want to try: hDCForm := GetDeviceContext(hWndForm); try hDCMem := CreateCompatibleDC(0); try hBmp := CreateCompatibleBitmap(hDCForm, ClientWidth, ClientHeight); if (hBmp...

How does the client connect to the Server??? is it a multi-threaded server? if so, have you set the CoInitFlags anywhere? I alway add: CoInitFlags:= COINIT_MULTITHREADED; to my project source, as this allows ADO connections to operate correctly in a multi-threaded environment. Heres an...

you need to make sure you set the Parent property of any dynamically created visual controls (there are some exceptions)...otherwise they don't show up.

var myP: array[0..kMaxPanels-1] of TPanel; then procedure DrawPanelsFromTracks_Click(Sender : TObject); var i : integer; begin for i:=0 to kMaxPanels-1 do begin myP[i] := TPanel.Create(self); myP[i].Parent := self; myP[i].Tag:=i; end; end;

a code samplw would be easier to work with.

I'm sure you could add whatever else you need to the TAudioLibIndex record...or create another record that is simply a header that is prepended to all audio samples and is what the TAudioLibIndex points at.... it all depends how you want to use the library...

one suggestion.....in BaseBitmapChanged there is an if statement that reads: if FBaseBitmap.Width > 0 and FBaseBitmap.Height then I would change it to be a little more readable :) if (FBaseBitmap.Width > 0) and (FBaseBitmap.Height > 0) then

ack!....that certainly doesn't help things

unfortunately, filters will not do what you want...I'm not sure about adding indexes to TQueries...you might have to end up writing the search funcationality yourself! e.g. procedure FindBySSN(SSN: string); var Found: boolean; begin SSN := UpperCase(SSN); DataSet.DisableControls; try...

if TObject.Create() fails, then nothing is added as an exception will be raised. Also, provided you have set the OwnsObjects property to true, the list will free the objects it contains when necessary.

procedure TMainForm.TabSet1Change(Sender: TObject; NewTab: Integer; var AllowChange: Boolean); begin // Clicked On A Tab... If TabSet1.TabIndex<>-1 Then Begin MDIChildren[TabSet1.TabIndex].SetFocus; MDIChildren[TabSet1.TabIndex].Show...

ok...I avoided this post as I'm quite busy at the moment :) I would do something like: TAudioLibHeader = record Name: array[0..20] of char; AudioCount: integer; end; TAudioLibIndex = record AudioName: array[0..50] of char; Artist: array[0..50] of char; PlayLength: integer...

Leslie, any chance of some more info? what components are you using (you're obviously using a DBGrid...but whats it hooked to??). When you say you created local tables - do you mean you created a local TTable? or something else? Where do you get the data to populate the local table with as...

a code example would be helpful. What do you mean by a 'cached database'???

with: with TWebBrowser.Create(t) do begin Align := alClient; //doesn't work Navigate ('http://www.yahoo.com'); //does work ParentWindow := t.Handle; end; you might want to try: with TWebBrowser.Create(t) do begin Parent := t; Align := alClient; //doesn't work Navigate...

had a quick look for a delpi unit for you. Take a look at: http://anso.virtualave.net/RegExpE/ The Syntax section shows you some good examples and links.

I'm with you now :) You need to associate the child window with a tab index. I can give you two obvious solutions: 1) When you create the MDI child form, set its Tag property to the index of the newly created tab. 2) Add a property to all of your MDIChildren called TabIndex and set that as...