Recent questions tagged delphi

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delphi - how to keep track of selected rows with dgRowSelect = False

When dgRowSelect = False how can i detect the selected row within the OnDrawColumnCell method? Not the selected ... contains the selected cell. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to paste a custom format clipboard data into a TMemo?

This question refers to this one along with its accepted answer posted here on stackoverflow. I don't feel ... me to fix that program. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - SaveDialog.Execute not doing anything in Windows 7

Delphi 2007 on windows 7 just does nothing on the saveDialog.Execute call. I have seen another person mention this a ... was with Borland c++. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to correctly implement threads for drawing on a canvas?

I want to create a custom control derived from TCustomControl which I will be overriding the Paint method and ... and guidance please. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - TFDQuery.Prepare cannot determine parameter types for INSERT query on MS SQL SERVER

I open a TFDConnection for MS SQL Server with parameters: DriverID=MSSQL Password=test User_Name=test Server=VS2003-2008 ... to make this work? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - ShortDateFormat vs FormatSettings.ShortDateFormat?

In trying to get Log4D to compile in XE4, I was seeing [dcc32 Error] Log4D.pas(2139): E2003 Undeclared ... bad way to solve this problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How can I convert string encoded with Windows Codepage 1251 to a Unicode string

The cyrllic string my app receives uses(I believe) the table below: said I believe, because all the chars I ... delphi or should I write one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Check if windows explorer already opened on given path

How can I see if windows explorer is already opened with certain path ? I don't want my application opens many ... nil, SW_NORMAL); end; end; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to set a TCustomControl's Parent In Create

When we create a component as a custom control and the control is dropped on a panel the control always appears ... 'Created At RunTime'; end; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - android.os.FileUriExposedException: <filename> exposed beyond app through Intent.getData()

In earlier versions of Delphi (prior to 10.3 Rio), which targeted Android API < 24, it was possible to ... a few protracted hours of research) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to pass string parameters to an TADOQuery?

Using Delphi 2010 Can anyone tell me what I am doing wrong here with my code. The comments show the errors ... := fingerprint; end; Thankx See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to stop music started via SndPlaySound

At this Website I found how to add music into a .res file and then use it in your delphi .exe. ... want to without closing the application? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Random Indy ResponseCode = -1 / EIdSocketError Socket Error # 0 exceptions

I have a delphi code that basically upload files to remote secure server using Indy 10.4.704: IdHTTP := TIdHTTP. ... it's not an SSL error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How to finalise a threadvar string to prevent a leak?

This is not a major leak, but more of a would be nice to tidy I think, but I have found that my Delphi XE ... , or set it to nil or something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - MDI window title in Windows 10

I'm testing Delphi applications on Windows 10 and I was intrigued a difference in rendering the window frames on MDI forms. It is the intention? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Change Listview item height

I need to make more room between each list item. Is it possible to change Listview item height in Delphi? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - TCP Keep Alive on idHttpServer (server) and wininet (client)

I have a webserver application developed using idHttpServer. When a client connects do my webserver and, for some ... code from their svn. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Firemonkey - Message Handling

I'm currently trying to develop a project based upon Firemonkey. I'm using Firemonkey for it's UI features ... /FMX? Regards, Scott Pritchard See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Nested constants of nested structured types are unsupported?

Despite of what Delphi reference says structured types can contain other structured types; a type can have unlimited ... analysis of an issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Add graphical bar to a StringGrid col

Using Delphi 2010 and a TStringGrid component, I currently display five filds from a database query. Here is a ... for the other columns? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - How do I set Excel column types and formatting?

I'm exporting data from a CxDBGrid to an Excel file. I'm able to create the file and copy data in ... column width. That works flawlessly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Getting type of record field with RTTI fails for static arrays

I am trying to get types for record fields in order to create correct comparer (as general solution for ... used with TArray/TDictionary etc? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - TEqualityComparer<T> may fail for records due to alignment

We recently had an issue with a TDictionary<T> instance that failed to lookup items correctly that are were ... was not under our control. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Blank value in web service for Int64 type

I consume a web service that has a numeric element. The Delphi wsdl importer sets it up as Int64. The web ... value if the type is Int64? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - What is the '#" symbol in Pascal?

For example: x := #123; I tried to search around Google but I simply have no idea what this means. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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950 views

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delphi - Why does scrolling through ADOTable get slower and slower?

I want to read the entire table from an MS Access file and I'm trying to do it as fast as possible. When ... happen and how can I prevent it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - Main window Handle by process name

Delphi Xe, Win7x64 How do I get the Main Window Handle, or at least a class, or a window name (if ... ('c:windowssystem32 otepad.exe'); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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delphi - FURTHER CLARIFICATION: How to correctly write Try..Finally..Except statements?

RE: How to correctly write Try..Finally..Except statements? I'm still confused by the OP's original question ... . Can someone please elaborate? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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