Recent questions tagged Delphi

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delphi - How to calculate elapsed time of a function?

I would like to know how to calculate the time consumed for a function in Delphi. Then I wanted to show the ... as to know the faster function. 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 make hovering over Minimize, Maximize, and Close buttons behave?

In a Delphi application, when you hover over a border icon, e.g.: Minimize Maximize Restore it doesn't behave ... you can see: nobody cares. 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 - Why is DoubleBuffered disabled by default?

After creating a new form, I usually perform this ritual: Change the name into something meaningful; Type a ... or off? Any recommendations? 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 - Tree-like Datastructure (for use with VirtualTreeview)

I have come to the point where I need to stop storing my data in a VCL component, and have an "underlying ... my question(s). :) 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 - Should "Library path" point to the source files of packages?

Should "Library path" point to the source files of packages? Delphi 7 documentation says yes. But other people ... non specific Library paths? 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 - Example for using Generics.Collections.TObjectDictionary

The Delphi XE2 online help (as well as the Embarcadero DocWiki) is very thin on the documentation of TObjectDictionary ... use it. Any pointers? 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 - File / Folder monitoring

What is the best way to monitor disks against file activities. I mean that getting the full file name (c: ... whole needs above. Best regards. 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 - Font consistency throughout Project?

Is there a quick and effective way of applying a global Font to be used in a project? By this I mean I would ... to do overkill for such a task? 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 compare TFunc/TProc containing function/procedure of object?

We use a TList<TFunc<Boolean>> with some function ... of objects in it and now want to Remove() some of the entries ... ... and well, we don't. 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 - Can I retrieve Filename for TPicture directly?

I have a Delphi application which displays an image using a TImage. The location of the image is stored in ... to store the filename separately? 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 - I want a more personalized BalloonHint (Background color/Rounded Corner/transparency)

When using TballoonHint, I need it more personalized in colors, shape, transparency and animated appearance, how can I do that? 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 - Manually Writing the HTML in TWebBrowser

EDIT: Look at Jorn's approach. I am using the strategy suggested here: http://cc.embarcadero.com/Item/23992 ... write HTML to the TWebBrowser. 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 I can convert str to datetime?

How I can convert "02 August 2012 18:53" to DateTime? when I use StrToDate for convert it occur error 'Invalid Date format' 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 - TIdHTTP and TLS SNI doesnt work

On my attempt the TLS SNI extension is missing. I don't know why. Can someone point me in the ... : SessionTicket TLS Extension: Heartbeat 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 - published property not shown in Object Inspector

My environment: RadStudio XE4 on Windows 7 Pro (32bit). Difference between property and function or procedures In ... in the Object Inspector? See Question&Answers more detail:os...

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

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823 views

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delphi - How do you remove a property from a descendent component

I have created a TListView descendent component... It functions flawlessly, but I wonder if it is possible ... FShowCaptions default True; 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 - Converting decimal/integer to binary - how and why it works the way it does?

As already asked David in a comment of an answer here, I'm really interested on how this function works, since I can ... s going on... :) 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 - Why are memory leaks reported for Indy 10?

I have this leak in Indy 10.5.7 (under Delphi 7). 5 - 12 bytes: TIdThreadSafeInteger x 1 21 - 36 bytes: ... v10.203 is is actually v10.2.3. 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 we connect with a website? Getting SSL error 1409442E

I am using Delphi 10.2 Tokyo, trying to download some information from a web server. I pass the command URL https ... 't solve it. Any ideas? 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 - Midas.dll error loading midas.dll

I have a problem when I try my app on an other computer without Delphi. If I put midas.dll in the same ... can place it in the same folder? See Question&Answers more detail:os...

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

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1.4k views

1 answer

delphi - How can I disable javascript errors on "TWebbrowser"?

I am getting javascript errors popping up in some webpages I am browsing to. Does anyone know how to disable ... ? or any other messageboxes? See Question&Answers more detail:os...

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

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1.1k views

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delphi - How to pass a method as callback to a Windows API call?

I'd like to pass a method of a class as callback to a WinAPI function. Is this possible and if yes, ... oriented world. Pointer magic welcome. See Question&Answers more detail:os...

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

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957 views

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delphi - Converting Jpeg images to Bmp - some images come out blue

There are some Jpg images which Delphi doesn't seem to like. It appears to be specific with the files I ... are thousands of possible pictures. 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 show a window that acts like a popup menu?

When window A is show, I want to show another none-modal popup window B, but: I don't want window A to ... I clear on my question? Thank you. See Question&Answers more detail:os...

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

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1.1k views

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delphi - Using a COM dll from C# without a type library

I need to use a COM component (a dll) developed in Delphi ages ago. The problem is: the dll does not contain ... . same order, same names, 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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1.1k views

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delphi - How to Locate Alignment Marks in an Image

I am designing a system that will scan in standardized forms to images (e.g., TBitmap). I would like ... and their center point locations. 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 - Simple string hashing function

I'm trying to hash a string into an integer for placing it in an array. However I do not know all ... there any simple faster/better methods? See Question&Answers more detail:os...

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

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922 views

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delphi - GDI handle leak using TGIFImage in a second thread

I have a background thread which loads images (either from disk or a server), with the goal of eventually ... of several dozen per second. See Question&Answers more detail:os...

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

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