Recent questions tagged Delphi

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delphi - How to get the dos output. In delphi2009 with vista

I use to get to dos output using delphi. What causes the code from http://delphi.about.com/cs/adptips2001/a/ ... be modified to make it 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 - Fake modal dialog using Show?

My application have several modules, each in one tab on the mainform. When using a dialog it is convenient to ... can I achieve this ? 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 - How can I search a generic TList for a record with a certain field value?

Everything about generic TList. I have this structure: Type TExtract = record Wheel: string; Extract: array [1 ... have tried to explain better. 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 insert 800000 records into an MS Access table?

I need to insert 800000 records into an MS Access table. I am using Delphi 2007 and the TAdoXxxx components. ... , I appreciate your help. 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 - Bad reference to an object already freed

Is there a way to be sure we hold a useable reference to an object i.e. being sure it has not been ... leaving that non nil reference dangling. 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 sure RTTI is available for a class without instantiating it?

I've recently posted a question in this forum asking for any advice regarding missing RTTI information in a ... using TRttiContext.FindType). 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 convert bitmap to grayscale by pixel intensity using GDI?

I'm looking for the simple solution of how to convert the 32-bit bitmap to grayscale using GDI (not ... without iteration through the lines. 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 use property in a class?

I was just wondering about why should I use property in a class instead of "normal" variables (class attributes?). ... 'm asking here. 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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delphi - SetProcessAffinityMask - Select more than one processor?

How can I use SetProcessAffinityMask to select more than one logical processor? In Windows Task Manager you can ... multiple values. 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 - TIdHTTP.Get EIdIOHandlerPropInvalid Error

I am trying to use TIdHTTP.Get to load the USPS Zip4 result web page source into a variable (to ... suggestion for a different approach. 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 - JPEG data-stream to TImage

I have some image-files stored into one file (some kind of archive). That file looks like this: Well, it's ... ... end; Thanks in advance. 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 determine if an abstract method is implemented?

I'm using a very large delphi third party library without source code, this library has several classes with ... a Descendant class in runtime? 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 attach a resource file to an existing executable file?

I have a resource file(.RES) and i want to add it into an existing executable file without recompiling and ... to extract the resource file? 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 difference between Owner and Parent of a control?

I am bit curious about the two properties of a Delphi VCL control. Each component has 2 properties as Owner ... for displaying control or form? 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 - F2051: Unit %s was compiled with a different version of %s

We've been fixing bugs in the VCL in Delphi XE6. So far the folder contains: | VCL Source Fixes |----- ... rebuild it at runtime in Delphi XE6? 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 - "Cannot load package A, it contains unit X, which is also contained in package B"

(More package/component install fun for me -- thanks everyone for all your help to date). I am getting the ... thanks for your time and help. 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's safecall?

I'm working on the creation of an ActiveX EXE using VB6, and the only example I got is all written in ... is the purpose of this keyword? 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 - '23/02/2011 12:34:56' is not valid date and time

In my code I am facing a problem. Example code: var d1: tdatetime begin d1 := strtodatetime('23/02/2011 12:34: ... s wrong with what I am doing? 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 - Get FileVersion with Build

DelphiXe. For reception of the version of a file I use function: function FileVersion(AFileName: string): string; var ... i.e. the full version? 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 - AlphaBlend in FireMonkey

How can I change AlphaBlend value (of a form) in a FireMonkey Desktop Application? Well It's available in ... it in FireMonkey. Screenshot: 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 - Creating a Window Inside TThread

im trying to send a message between 2 separate projects, but my problem is that im trying to make the ... FindWindow and FindWindowEx if needed 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 - Writing Transparent Text on Image

How can I write a semi transparent text on an Image (Jpg,Bmp), or a transparent text (color as same ... to accomplish that using Delphi win32. 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 - Helpfile opened from modal window unresponsive

Using Delphi XE2, Win64. So I have a large application with many forms and if I open the help file from the ... Form2. Hope this helps. - TJ 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 extract an image of a specific size from an icon?

How can I extract an image of a specific size or all images from an icon with multiple images? 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 - Ini Files - Read Multi Lines?

I am aware that Ini Files are meant for single lines of information, needless to say I am trying to read/ ... memo? Many thanks in advance. 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 modify TList<record> value?

Delphi 2010 How to modify TList < record > value ? type TTest = record a,b,c:Integer end; var List:TList< ... [10]; <- Error: Variable requied 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 - Using Indy 10 IdHTTP with TLS 1.2

Im using Delphi XE2 with Indy 10.5.8.0 Currently i need to change a connection to one of our server ... list? WireShark>Client Hello package: 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 disable screen update which updating a lot of controls?

I have a form with 50 or more controls which I create and add at runtime. I don't want to see then appear ... 10 years ago, but forget how. See Question&Answers more detail:os...

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

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