Recent questions tagged Delphi

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delphi - How do I make TWebBrowser keep running JavaScript after an error?

I'm having some troubles with javascript error handling in WebBrowser on Delphi 2010. I'm using WebBrowser with ... this issue can be solved? 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 - Focus next control on enter - in overridden KeyUp

I have my custom class that extends TEdit: TMyTextEdit = class (TEdit) private fFocusNextOnEnter: Boolean; public ... What am I missing? 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 - SetProcessWorkingSetSize - What's the catch?

I found an article on About.com that tells you how you can manage your apps memory. Here is the code: ... a screenshot of my Resource Monitor. 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 get all of the supported file formats from Graphics unit?

When any TGraphic descendant registering its own graphic file format with a class procedure TPicture.RegisterFileFormat(), ... 's source code? 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 - Register custom form so I can inherit from it from multiple projects, without copying the form to the Object Repository folder

I've got a custom frame I need to inherit from in multiple projects. This frame includes some code and some ... s wyhy I posted this question. 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 make a form that is not disabled when another form is shown modally?

I have a utility dialog (non-modal and stay-on-top) that should be accessible at all times when using the ... How could I go about 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 - How do I open a file with the default text editor?

I want to open a *.conf file. I want to open this file with the standard Windows editor (e.g., notepad. ... happens. So what should I change? 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 change file association programmatically without require elevation

How to change file association programmatically when the user does not have admin/elevated rights (Win XP, Vista, 7)? ... it and stay 'lite'? 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 - Create a button that accepts .PNG images as Glyph

I'm trying to understand how the SpeedButton Glyph property work, I find that the field declared as: FGlyph: TObject; ... FGlyph := Value; 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 - What is the best way to add long press event to button class?

By Long Press, I mean pressing a button / panel and hold for a period (say 2 seconds) without releasing or ... you again for your great 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 - How do I redirect the TWebBrowser control to a custom URL?

Example: I navigate to http://www.stackoverflow.com with my web browser control there's a link to FAQ in the ... com when I click the FAQ link 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 update a DataSnap server while clients are still connected?

We use stateful DataSnap servers for some business logic tasks and also to provide clientdataset data. If we have ... of 'hot deployment'. 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 - Not getting path of various system processes by GetModuleFileNameEx()

I have created this function to get the path of various network processes, like svchost, Firefox, etc. Here is ... using Windows XP, 32 bits. 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 check if the system master volume is mute or unmute?

I'm using this code to mute/unmute system master volume: const APPCOMMAND_VOLUME_MUTE = $80000; WM_APPCOMMAND = $319; ... ) or 1 (mute). 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 - TRttiMethod.Invoke function doesn't work in overloaded methods?

I'm creating an instance of a class using the TRttiMethod.Invoke function , but when the constructor or a method is ... a class using the RTTI? 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 - Adding Characters one by one to TMemo

Could any one tell me how can I add characters one by one from a text file to a Memo? The text file contains ... shown in the Memo. Thanks, Sei 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 track down tricky memory leak with fastMM?

After upgrading a project from Delphi 2007 to Delphi 2009 I'm getting an Unknown memory leak, so far I've ... is causing the Memory leak? 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 pass a parameter through MSBuild to the compiler?

I'm using the line below to have MSBuild build a Delphi 2010 groupproj: MSBuild C:srcmyprojgroup.groupproj / ... configuration files now... 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 string leak

I'm working with Delphi XE, and writing an application that is using RemObjects SDK to communicate (in case that ... to get the stack trace. 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 - When to Free a Thread manually

If I create a (suspended) thread from the main thread as such: with TMyThread.Create(True) do begin OnTerminate : ... to a form handle? 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 - How do I build an array of const?

I am implementing an interpreter, and one of the functions my interpreter will support is like Delphi's Format. In ... in Delphi (not Assembly)? 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 - Create TToolbutton runtime

I have a problem with creating TToolbuttons at runtime and how they appear in my TToolbar. Basically I got a toolbar ... I want them to be. 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 behaviour of shl and shr for non register sized operands?

This question is inspired by my attempts to answer another question: Converting decimal/integer to binary - how and why it ... << std::endl; } 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 define implicit conversion operators for mutually dependent records?

I am using the operator overloading for records in Delphi 2006. (Please don't answer this question by telling me not ... := a.Field1; end; See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

delphi - Create TToolbutton runtime

I have a problem with creating TToolbuttons at runtime and how they appear in my TToolbar. Basically I got a toolbar ... I want them to be. See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

delphi - What is the behaviour of shl and shr for non register sized operands?

This question is inspired by my attempts to answer another question: Converting decimal/integer to binary - how and why it ... << std::endl; } See Question&Answers more detail:os...

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

0 votes

1.2k views

1 answer

delphi - How do I define implicit conversion operators for mutually dependent records?

I am using the operator overloading for records in Delphi 2006. (Please don't answer this question by telling me not ... := a.Field1; end; See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

delphi - Send Email in HTML Format

At the moment we are using MAPI to send a plain text email from our application. We specify the dialog flag ... to the plain text email. 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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