delphi

tclientdataset's delta property

Hi, do any one know the how to clear the data in the delta of the TclientDataSet explicitly? without using applyupdates thanks in advance, Vijay. ...

Converting LogFont height to Font size in points

Hi I have a LOGFONT structure. Now all i'd like to do is get the associated font size in points from the LOGFONT height. Thanks in advance ...

Passing an TAdoDataset as parameter using TADOStoredProc

i have an oracle stored procedure with 2 parameters declarated as input cursors. how i can assign this parameters using the TADOStoredProc component? when try to assign the TADODataSet to the parameter can't compile the code because the ide gives me this error. incompatible types : OleVariant and TAdoDataset. ORACLE PROCEDURE MYSTO...

How to change TXSDateTime SOAP serialization in Delphi 7?

I am trying to use Java based webservice and have soap request: <?xml version="1.0"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"&gt; <SOAP-ENV:...

Invalid Pointer Operation, advice requested with debugging

I appear to have created code that is trashing memory. Having never had such problems before, i am now settign an Invalid Pointer Operation. In the following the value of the const string sFilename gets trashed after my call to PromptForXYZPropertiesSettings. // Allow the user to quickly display the properties of XYZ without needing t...

How Do I Handle Windows 7's 125% or 150% Magnification (Delphi)

Windows 7 has added on its Control Panel, Appearance and Personalization, Display setting, an ability to Magnify the text and other items by 125% or 150%. When that is done, some of the contents of the Forms and Dialogs of my Delphi 2009 program get cut off. What changes do I need to make to ensure that all my forms and dialogs will ...

How to get Phonemes on voice recognition?

i am working on Voice Recognition to Display the Phonemes and its wave form if possible using the built-in voice recognition on vista and windows 7 using Delphi2009. other programming language are welcome. ...

How to know user is dragging something when the cursor is not in my window?

Hi folks, We all know you can implement drag-and-drop feature for your Window so that it accepts drag and drop operation, but my question is, how to detect a drag-and-drop operation that's is in progress in other windows, for example, dragging a file in the Windows Explorer? What I want to do is that when a user is dragging a file then ...

Delphi / ADO : WHich components? TADODataSet and TADOCommand or TADOQuery ?

According to http://www.delphigroups.info/2/3/181838.html The preferred approach with ADO components is to use TADODataSet and TADOCommand. TADOQuery (and TADOTable and TADOStoredProc) are provided for compatibility. Use TADODataSet for SQL that returns result-sets and TADOCommand for SQL that does not. I am a ...

Inter-project dependencies

Hello! I'm doing some Delphi (2010) work this summer, and I've stumbled upon this problem: My project consists of reusable backend library and a bunch of GUIs that tap into its interface. In this circumstances I've decided to make the backend and GUIs separate projects within single project group (I hope my train of thought is correct)...

ANY material writen in/for DELPHI around the graphics topic?

Does anyone knows ANY material writen in/for DELPHI around the graphics topic? Planning to build a software for medical imaging processing . Thinking in 3D UI to absorve the power of nvidias GTX graphics card, and some real-time 2D processing integrated with high-end scanners. Please dont take this as a "rant" but, we have zillions of ...

Context menu disappears with Word automation

When I am editing a Word document in an OleContainer (inplace) and I switch to another Word document and then I switch back, I cannot use my rightmouse button anymore. The context menu will not show up. This happens on Word 2000, not on Word 2007 (I don't know about other versions). How can I get rid of this behaviour? How to reproduc...

Backward compatibility in dlls

I do have three dlls. a.dll - released many years ago b.dll - released not so many years c.dll - released shortly Each one contains the same function - unfortunatelly with different parameters. so I do have the following Methods aMethod(param1) aMethod(param1, param2) aMethod(param1, param2, param3) My Task is to make a new dll (o...

"attributeGroup" references ignored by Delphi WSDL Import Tool

I am completely new to web services, but not new to Delphi. I am importing a WSDL file into Delphi 2010 with the "WSDL Importer" wizard. The WSDL file contains some "attributeGroup" tags which Delphi completely ignores, which is presumably a bug, although I haven't yet found an entry on Quality Central for this issue, only mentions in ...

IDispatch parameters passed from Delphi to C#

I am using Delphi 2010 to access objects stored in a C# Assembly written in Visual Studio 2008 using the techniques described in the Hosting CLR in Delphi. These techniques do work and I am able to obtain an instance of a .NET class - via an interface - and call its methods and read it properties. Calling the methods works fine as long...

How to get dataset to populate data into dbgrid in Delphi 6?

I have created a DBGrid in Delphi 6 and tied it to a DataSource contained in a DataModule. The Dataset for that source in also located in the same module. In the OnShow event for the form, I activate the dataset and set a label equal to the rowcount for the dataset. This shows several hundred rows but nothing shows in the dbgrid. If ...

Reportmanager and delphi 2010

Hello everyone, does reportmanager (http://sourceforge.net/projects/reportman/) support delphi 2010? Thanks Alejandro Jourdan ...

The most elegant way to encapsulate WinAPI callbacks inside a class

Hello. I am thinking about elegant way to encapsulate WinAPI callbacks inside a class. Suppose I am making a class handling asynchronous I/O. All Windows callbacks should be stdcall functions, not class methods (I need to pass their addresses to ReadFileEx WinAPI function for example). So, I cannot just pass method addresses as a callba...

Language neutral plugin architectures

I am looking at extending an existing application through the use of a plugin architecture. The application id written in Delphi, but I want to be able to implement various plugins in whatever language is best of the job. Currently we have skills in Delphi, C# and Java, and would like to be able to implement a plugin in whatever language...

String trouble in Rave Reports 8

We are currently working with Delphi 2006, but we are now very ready to move on to Delphi 2010. The problem lies in our Rave reports, though... We just get to many string errors when running our reports with Rave 8. And they just don't make any sense. (The reports compile with no error, and we can even run them without any error in R...