delphi-7

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Delphi - ClientDataSet - validating data

I have an application in Delphi 7 which is using a clientdataset, and make several operations on it. ClientDataSet is linked to an Intraweb Grid.[详细]

2023-03-07 14:15 分类：问答
.NET COM DLL throwing exception when used in Delphi

I have a COM DLL produced in C# using VS2010, using it from VS2910, it works fine, but when 开发者_Go百科I try to use the DLL from Delphi 7, having imported the .tlb file, some of the functions work f[详细]

2023-03-07 01:34 分类：问答
How to add my icon to component in the component palette page? [duplicate]

This question already has answers here: 开发者_如何学Go Closed 11 years ago. Possible Duplicate: delphi non visual component image[详细]

2023-03-06 12:36 分类：问答
How can I compare the size of a local file with a file on the web? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: programatically get the file size from a remote file using de开发者_JAVA百科lphi, before download it.[详细]

2023-03-06 06:06 分类：问答
How to listen to microphone and detect sound loudness in Delphi 7

I need a program to catch an event when microphone input gets louder t开发者_Python百科han certain threshold value. So probably I need to constantly listen to mic, and somehow measure sound amplitude?[详细]

2023-03-05 01:54 分类：问答
How to draw a translucent image on a form?

I want to a draw a translucent image on a Delphi form, but for some reason it is not working. Here is the original PNG (border is semi transparent):[详细]

2023-03-04 22:07 分类：问答
Delphi - ADO query and FillChar generates errors

I have the following code: var wqry:TAdoQuery; ... FillChar(wSpaces,cSpacesAfter,\' \'); try wqry := TADOQuery.Create(nil);//here the error[详细]

2023-03-04 04:00 分类：问答
Using QuotedStr in SQL

I need to add another condition to my where cause below SQL.Add(\'where (cmcl_bank_cleared is not null) AND ((cmcl_bank_cleared - check_date) >=:DaysParam)\');[详细]

2023-03-03 20:14 分类：问答
How do I get the namespaces right when using a Transaction Exchange Server Web service?

I am trying to consume a TxServer web service, but I\'m getting the error response Unmarshalling Error: unexpected element (uri: \"http://txserver.sut.softekpr.com/1\", local:\"transaction\"). Expe[详细]

2023-03-03 18:08 分类：问答
Avoiding errors at runtime

I have a lot of commands in one procedure and there is this command: ... Stream:=TFileStream.Create(FileName,fmOpenread);[详细]

2023-03-03 13:51 分类：问答