Questions tagged [delphi]
Delphi is a language for rapid development of native Windows, macOS, Linux, iOS, and Android applications through use of Object Pascal. The name refers to the Delphi language as well as its libraries, compiler and IDE which is used to help edit and debug Delphi projects.
delphi
52,088
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How to manually write DUnit TestCases in Delphi
I'm using Delphi 10.2 and I need to implement the the Test Cases dynamically based on the configuration in loop and how I able to implement for DUnits?
[TestCase('Date, space, time', '1988-10-21 ...
0
votes
1
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29
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Write a new Delphi type that lets a method have inline code as a parameter?
Is it possible to have this in Delphi?
DoThis(ShowMessage('SomeMsg ..'); Caption := 'SomeCaption'; Inc(I));
Is it possible to create a new type that handles inline code like this?
For example, we ...
- 19
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How do I draw a line with rounded ends using skia and Delphi?
To draw a line with a rounded end in skia you need to change the StrokeCap to Round. Here is a simple example using Delphi:
procedure drawRoundedLine (ACanvas : ISkCanvas; x1, y1, x2, y2 : single);
...
- 2,365
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1
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29
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Append string along with single quotes to create SQL query?
var
strng,value,UserName : WideString;
Query : Smplquery;
begin
strng := 'table';
value := 'column';
Username := 'CN=ABC[EXT] XYZ, AB=HELLO EFG,AB=SDRTY0045,AB=DW,AB=BNKM,HB=SWCD,HB=...
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Open files application iOS Delphi
I'm new to iOS development with Delphi. I've used Android intents to browse pdf and select a pdf.
How is this done in iOS? I understand the permissions in the plist but what do I need for file picker ...
- 1
-1
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54
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Delphi can't compare dates [closed]
What do I do ? I'm not sure how I'm supposed to deal with this ?
Stackoverflow wants more words, sorry.
Stackoverflow wants more words, sorry.
What do I do ? I'm not sure how I'm supposed to deal with ...
- 87
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vote
2
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78
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How can I get a Pointer to a generic instance?
TTestClass = class
content: Integer;
end;
TTest = class
public
class procedure TestProc<T: class>(obj: T);
end;
class procedure TTest.TestProc<T>(obj: T);
var
p: ...
- 87
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1
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71
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How to set color of row in TStringGrid?
I have a challenge.
There is a list in a TStringGrid. Above this list is a TLabeledEdit field. When I type some value into this Edit and then press a button, I scan the list and compare this value ...
3
votes
1
answer
84
views
Create form with parameter name and send parameter to this form
I read a file that has the name of the form I need to create.
After the form is created, before the ShowModal(), I need to send parameters to this form.
If the form name were fixed, I would use the ...
-1
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1
answer
82
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Delphi - Sending Byte to DLL
I am attempting to work with an API and am communicating with this function:
BOOL SelectSpeed (int Device, byte SelectSpeed)
With the argument for SelectSpeed expected to be values such as 0x01 or ...
2
votes
2
answers
110
views
Do string variables in records get freed when the record goes out of scope?
In Delphi you can declare a record containing a String. This means the record just contains a pointer the heap when the string is located; does the heap memory get freed when this record goes out of ...
- 87
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votes
1
answer
115
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Converting my old AnsiString based D7 app to Unicode with AI?
What would be the best process to convert a very old ANSI charset based Win32 application to UNICODE? The source code is currently compiled with Delphi7. Would it be best to make this conversion with ...
- 6,761
1
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1
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43
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How do you change a SVG Image's Color in TMS WEB Core
I am adding an SVG image to a black background in TMS WEB Core and would like to change the color of the SVG image to White. I have tried changing color in the properties but there is obviosly no ...
- 71
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56
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DataSnap - Object as server method parameter
Is it currently (Delphi 12) possible to write in server method parameters some class and receive it from simple JSON?
Now I have:
type
TTestParam = class
fVal1: Integer;
end;
{$...
- 69
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"Error creating form in Unit...fmx: FMX datamodules not supported." when inherit from TDataModule descendant class
I have a problem (with sample project).
I have a TDataModule derived class to which I have added some properties and methods.
I wanted to make sure that it was possible to create a new instance of ...
