Windows Programming - C++ Forum

by Jezck

Overriding base class method

Hi, I have a query with regards to the use of the Virtual keyword for methods. If a derived class m...

[3 replies] Last: Thanks, that is what I see also. Except in the case where the paramet... (by mbozzi)

by NoobCpp1

Access Violation when calling Class Function from WndProc

Greetings, I receive an access violation error when calling a Class Function from WM_MOVE in the Wi...

[6 replies] Last: I previously thought that the WM_MOVE could only happen after the Dis... (by seeplus)

by sarahm

win32 window doesn't resize

Hello. I'm having a bit of a problem with creating a win32 window: the window shows up fine, but ca...

[7 replies] Last: LoadIcon and LoadCursor have been deprecated, use LoadImage instead.... (by JohnOfC)

by Android1

Delete

Delete

[no replies]

by AnnoyingB

the managed nullptr type cannot be used here.

I have some code that should just call an event but I get this error: the managed nullptr type cann...

[11 replies] Last: using _Literal_zero = decltype(nullptr); is giving the error in the ... (by AnnoyingB)

by Geckoo

Sort lists

Hello everyone. I have a question about lists. I have an empty list A which I populate with inte...

[9 replies] Last: OP did say "list", though it might not have been deliberate. As ment... (by kigar64551)

by kigar64551

Graphical User Interface Program

Maybe have a look here: http://www.cplusplus.com/forum/lounge/281241/ Of course, the optimal ch...

[2 replies] Last: Freddie, the OP has gone...this is the remnants of a dead thread. (by The Grey Wolf)

by dodge55

using text string functions in Win32

So, I have an embedded system that saves data in (unsigned char) format to an SD card. This data is...

[3 replies] Last: Thanks for the responses. It looks like MultiBytetoWideChar and vice-... (by dodge55)

by dodge55

Using BitBlt

So,it looks like BitBlt captures an image from a specific place in a window, which allows you to dup...

[19 replies] Last: at some point the invalidate rect trick may fail you, if you get into ... (by jonnin)

by volang

Shell commands from c++ without creating a new process every time?

Is there a way to run shell commands from c++ without creating a new process every time? E.g. have ...

[2 replies] Last: or & system("command1 & command2"); it may be possible to start a hea... (by jonnin)

by Alley

best way to configure / implement .NET web api, docker, mssql server

I come from an old way of doing this where we had connection strings in web.config or app.config. I'...

[1 reply] : I have no idea how to run .NET applications in a Docker container. But... (by kigar64551)

by Satoshi Yoda

Convert string to double

Good day! :3 Some time ago I had an issue with converting NaNs: https://www.cplusplus.com/forum/win...

[8 replies] Last: Note that with std::from_chars(), leading white space is not ignored! (by seeplus)

by kigar64551

Performance of memcpy() vs. "direct" memory access

Hello, I am working on a project where we need to compute the MD5 hash of a large block of memory (...

[8 replies] Last: That sounds right. These 'new' instructions are... really nice. (by jonnin)

by dodge55

Callback procedures in Child Windows

Do you have to have a separate callback procedure for each window you create? In other words, if I ...

[3 replies] Last: Here are some tutorials I've recently posted that would answer your qu... (by freddie1)

Windows Programming - December 2021

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