Winapi Questions

In windows c api i have a combobox with dropdown style. i set a text in the edit control of the combo box during the dialog initialization. i want

This is the relevant part of my code: case wm_ctlcolorbtn: case wm_ctlcoloredit: case wm_ctlcolorstatic:

I needed to patch a program, so i made a dll that i can inject and on inject it patches one byte of the instruction. the code is pretty simple,

I am trying to get the various attributes of a file as seen in its "details" tab with the winapi function verqueryvalue. i

I want to create an edit control where users can only type in floating point numbers, but i want to also be able to copy/paste/cut text in this

I've been trying to make a simple window using winapi, it compiles and links with some warnings, when i open the program the window shows up, but

So i just started c yesterday, literally. being as fresh as i can be, i tried a fairly simple task of displaying an image on top of my desktop.

From what i understand, a gui will have its windows, window classes, and use these for the main windows and all the buttons and tabs etc.

The specs

I have a jpeg image, which is represented as a base64 encoded string. i want to save it as a decoded byte array using the win32 api

I tried to replicate the short sample program for tracelogging that microsoft provides (see below, with minor changes). i completed the

I'm trying to create a program using c and the win32 api to iterate though directories trees. can anybody help modify the code to make it work

I'm trying to implement a text highlighting and undo in richedit. the code below marks 5 and 6 chars but undo doesn't work (the text doesn't

I'm writing a program for windows 10 in c using mingw. i have the latest version. i want to display an open file dialog, which is easy to do with

Starting with windows vista, every application automatically gets a

I use this function as usual, but the debug traces (outputdebugstring) don't work from injecting dlls. and in the target application no thread is

I am trying to create a service that will be run at system startup and start it immediately. service is supposed to run my exe file. getlasterror

Openprocess(process_query_information, true, pid) returns successfully for, for example, an administrator cmd.exe and

Summary using windows gdi to convert 24-bit color to indexed color, it seems gdi chooses colors which are "close enough" even though

Ultimately, i want to spawn a c executable from a node app that drops all but the necessary privileges for its parent, the node process itself. my

The following code is used to download files, but not working if the server has a self signed certificate: dword errcode = 0;

In visual c++ , when i build a dll , the output files are .dll and .lib. is the name of the dll built into the .lib file . the

Several years back, i innocently tried to write a little app to save my tactically placed desktop icons because i was sick of dragging them back

I want to extend an existing application i made to make it set mixer volume by wheel-scrolling over it's notification area icon. as far as

What's the best way to go about creating a vertical and horizontal ruler bars in an sdi app? would you make it part of the frame or the view?

The only thing i know is time(null), but it return seconds since 1970. it's fine to me to use winapi functions if c doesn't have

My details: custom mobile device running windows ce 4.2, compact framework 2.0 sp1. c# app making decent use of p/invokes with no problems until

I am embedding a java vm (jvm) using jni in a dll for a native application on windows (altv-server.exe). internally jni_createjavavm calls

We needed to monitor all processes registry calls/file sytem calls/process creations in the system (for the antivirus hips module) . also

I am building a custom win32 control/widget and would like to change the cursor to a horizontal "splitter" symbol when hovering over a particular

I'm using the theme library to draw some text which works absolutely fine on windows vista - however, on windows xp the returned htheme is null.

Is there an easy way to test whether your named pipe is working correctly? i want to make sure that the data i'm sending from my app is actually

I'm new to windows programming and i'm trying to get notified of all changes to the file system (similar to the information that filemon from

I'd like to make sure that a thread is moved to a specific cpu core and can never be moved from it by the scheduler. there's a

What win32 calls can be used to detect key press events globally (not just for 1 window, i'd like to get a message every time a key is pressed),

I'm writing the memory manager for an application, as part of a team of twenty-odd coders. we're running out of memory quota and we need to be

I'm writing c# code that uses the windows ip helper api. one of the functions i'm trying to call is

Tchar finalpath[max_path]; getcurrentdirectory(max_path,finalpath); tchar filename[] = text("\\lista.txt"); wcscat(finalpath,filename);

Is there any way to set the style for the lineends for the tcanvas.lineto method? it seems to default to rounded ends, which looks very bad for

I'm looking for some kind of a resource (website) that would list all possible window/dialog frame styles and their respective combinations

So, i am a total beginner in any kind of windows related programming. i have been playing around with the windows

Is it possible to impersonate a user without supplying user name/password? basically, i'd like to get the csidl_local_appdata for a

What i want are 5 threads that print something indefinitely. i used the waitformultipleobjects api to wait until the threads finish

I want to write to address1 the value of number1 that is an integer. i tried to use addressof but it still

Problem: i am trying to get the address of loadlibraryw but gets null. research

I'm currently writing some software that has two different programs using the winapi (a parser and an interpreter). i would like to call the

I want to watch for changes done with a file (the event i'm waiting for is change contents event, i.e. last modified date is updated) i

I try to get path to current wallpaper in python using ctypes module. but as a result program returns value 1. import ctypes

I am working on an mfc project, which has the following code: nmhdr pnmhdr; pnmhdr.hwndfrom = getsafehwnd(); pnmhdr.idfrom =

This is not strictly a programming question but more of a design question. working with some strucs from the winapi i noticed that many of

I'm trying to make a simple python script to capture image from my webcam on workstation unlock. and i am making a "kill switch" that checks if

I have written a small program, that keeps my computers awake even, when the battery settings can not be changed:

I want to monitoring clipboard app for win10. like: when we copy text 00-22-33-11-22 mac address from notepad.exe,tk's window get text and

In a 32-bit vcl application in windows 10 in delphi 11 alexandria, i have a trzshelltree control (by ray konopka from the konopka

I am trying to add drop down in excel cell using python win32com api. but not able to implement it. here is my code

I've tried this code which was supposed to get all window titles and positions and store them in vectors (here window titles are printed) but the

This is a dumb question, but i'm sorry i cannot find this information in

I am new to c/c++. currently, i am working on a project in which a haptic device is used. i just want to return a value when the device button is

Is there an api in windows so that any time a user saves a file, opens a file, etc in windows explorer you can have a handler in between it? for

In vs .net, when you are selecting a folder for a project, a dialog that looks like an openfiledialog or savefiledialog is displayed, but is set

I want to find a function inside my .exe, and memcpy it somewhere else. i have used the idia sdk to parse the .pdb file for my .exe, which

I am using (unicode) inno setup 6.0.5 on windows 10 64-bit. the exported symbol, i want to use has the signature:

I have statically added few .cur files to the executable. i can get them well;

I need to get the 64 bit "program files" folder path (the one that defaults to c:\program files, not the one that default to

I wanted to get latin and also non-latin characters as input but there is a problem here. when i am going to enter persian words like

I have created a tab control that contains two tabs. inside each tab there will be a container window to hold other controls (in the code example,

So i am currently attempting to locally map my suspended thread when i pop my program into cff explorer it says that the value of

Basically i just want to understand how does this works i saw a couple of people advancing to the second pimage_base_relocation struct (or second

I want to send mouse input programmatically to anyone of my connected displays. i know i can use the

I wanted to create a tree view where specific items have a different back & text colors. i did found the following solution in the internet:

I want to get imagebase for a process, so i can edit its contents later. this is my code : handle

I am writing a simple application to perform process hollowing which starts a 64 bit process, the application then uses ntqueryinformationprocess

I'm trying to get all the users details and the privileges of the users for the given file. something like

I have been trying to run a parent process that acts like a cmd input\output console. the purpose of this is for future use, but for now i am

I wanted to get timestamps of a directory and then show it to the user. i have written the following function, but it doesn't work when i give a

I have a couple of issues with this function: the text turns into gibberish if i move the window a bit, or if i switch it to another

I'm a c# developer working with either windows forms or wpf. sometimes i have to deal with unmanaged code, which i don't like. i think that the

I have a read-only win32 memory mapped file with no sharing open. is there any way to tell windows to load some page into memory, making sure that

I wanted to create some sort of a dark-mode button using common controls & win32 api. i wanted to use custom drawing to set my

I am writing a multi-threaded program on windows. since there is no windows implementation of c that i know of to support c11 threads, my best bet

I have a string table defined like this in my win32 app: stringtable begin ids_string101 "mystring1"

Win32 scrollbar in not working screenshot win32 scrollbar in

I had this problem for quite a while now. in my message box, i have a cancel button. i don't want the close button to interfere because my

The function rtlinitunicodestring() used to initialize the unicode_string structure cannot be used as a linker error

I have a sample.exe project that depends on common.dll . i need to use libcurl.dll in both sample.exe and common.dll . do i need to import

64-bit windows seems to call into an exe's entrypoint with rcx = r8 = &peb and rdx = r9 = &entrypoint as if the

I have developed a program that is a simple file manager. for example, it lets a user create a file, delete a file, see the attribute of the

I have been trying to transfer files over tcp\ip on a windows client to linux server. this has been a major issue for the passed few days due to a

I wanted to store arguments that passed to my program from the command line and then forward them to a function which it needs all strings to have

I'm trying to interface with a driver for creating tun interfaces (wintun), but in order to send and receive data from them i need to register a

I have implemented the following function in which it gets the path of a file and then tries to delete it from the file system. the

#include <windows.h> #include <iostream> #include <conio.h> //void mouseretracer(point mousepos, int noofsaves, int

I wrote a simple win32 gui application with buttons and other controls, in pure c, no mfc. i want to make it more accessible for those who can not

I am using the win32 api. i have this code that creates an edit control: createwindoww(l"edit", l"", ws_visible | ws_child, 100,

This is a segment out of a dll injection code i'm writing. i'm using findwindowa() to get a hwnd to the window procces defined in

I have parentprocess.exe which has the following code. it creates a file and fils it with a simple character of 1 then it creates a new process

I want to write a program in c that disables the entire keyboard but continues to receive inputs in my program. i tried using

I'm using

I want to adjust the size of a custom control and make it topmost when it is active and has at least one line. is it safe or even good coding to

I found a few code examples, but i don't know with which jna versions i can use which methods. i did only find snippets, where classes were