Handle is an abstraction of a resource or a reference to an entity. It can have different implementations: a pointer, an index in a table etc.
Questions tagged [handle]
1348 questions
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votes
1 answer
Custom Keyboard Input
How can I read custom keyboard input on c# ? (prefer wpf)
My keyboard has extra buttons (like main , volume up-down,mute). How can I read when some of them are pressed ?
Also if it is possible I want to be able to read them without my app to have…
Mitcoc
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votes
2 answers
Access to Windows data though Windows Handles
I am programming in Win32 with FPC IDE
I create Windows objects (like Windows, Pen, Brush, etc) and Windows returns me Handles. I want to directly access to the objects' data though those Handles.
Is it possible ? If yes, how?
Tạ Đặng Vĩnh Phúc
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1 answer
What does `@(x) myfun(x, F_index)` means in Matlab?
What does @(x) myfun(x, F_index) means in MATLAB? What does it call and return?
For example in this application:
fmincon(@(x) myfun(x, F_index), ...)
Please provide more examples and explain them if possible.
Masan
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votes
1 answer
Execute a subroutine before exiting the application
I am designing a client-server application, where the client requests various data and the server retrieves it from the local SQL server.
I need to execute a function when the application exits in order to tell associated services that the server is…
AStopher
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votes
1 answer
Get the HMONITOR handle of the current active monitor
I have a multi monitor setup. Right is primary monitor, left is secondary monitor. I want to identify in which monitor,my window is invoked, so that i can create and show my window in that monitor.
I'm having problem getting the handle of the…
user2338040
- 101
- 11
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votes
2 answers
Prevent exceptions in Rubygem that cannot communicate with its associated web service?
I am using a RubyGem (DeathByCaptcha) that makes HTTP calls to deathbycaptcha.com. Every so often the HTTP request times out or fails for some other unknown reason, and my Ruby scripts exits with an exception. I am trying to automate repeated…
Rick
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votes
2 answers
Delphi: TreeView elements vs. Form position changing
We have found something is seems to be a bug(?), and cause bug in our code.
Delphi XE3, Win32. Two forms, the main have button:
procedure TForm4.Button1Click(Sender: TObject);
begin
with TForm1.Create(Application) do
begin
…
durumdara
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votes
5 answers
How to add one line before the last line in C
Hi I am working in C on Unix platform. Please tell me how to append one line before the last line in C. I have used fopen in appending mode but I cant add one line before the last line.
I just want to write to the second last line in the file.
Sachin
- 20,805
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votes
2 answers
how to disable Notification bar throughout the application?
The user can launch other installed applications from my application and back to my activity when exiting launched application.I want to disable notification bar(showed status of wifi,gps,bluetooth etc...) or pulling down of notification bar…
Devu Soman
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votes
2 answers
Is there way to check whether a Form has a Form Border? (by handle)
I want to check whether a form has a Form Border by its handle.
And, the handle is from the another Application.
How can I handle this?
Please help me.. Thanks!
jn4kim
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votes
2 answers
How can I handle filenames with Arabic text in Windows?
I got this source code from somewhere on the Net. It searches for files on the hard disk and prints out the path of the files:
#include
#include
#include
#include
#include
int…
pourjour
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votes
2 answers
How to use typedef void* Handle to dereference a variable?
I have the following code :
#include
typedef void* myHandle;
int main() {
int a = 1;
myHandle Handle = &a;
printf("%d\n",*Handle);
return 0;
}
Question 1: usually, if I have a pointer of type integer, I can…
John Sall
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votes
1 answer
Multiply exectuion, jobs and WinAPI
everyone!
I have some issue, which I don't know how to solve:
When I sent the value to function by pointer, TerminateJobObject doesn't work.
I don't know, how to kill not all job, only selected.
There is my code:
#define…
hunterlan
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votes
1 answer
How to run an .exe file downloaded with InternetOpenFile() in Winapi
I have a C app written using Winapi and an .exe file that I need to download and execute. My code so far is:
if (NULL == (hRequest = HttpOpenRequest(hHTTP, "GET", "/~alexandru.antochi/exe_1.exe", NULL, NULL, rgpszAcceptTypes, NULL,…
Alexandru Antochi
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votes
1 answer
Trying to grab, duplicate and protect a handle with NTDLL
So I am trying to basically loop trough the processes, find the process id of my process (which works), then open a process with that pid (which also works) and then duplicate it with NtDuplicateObject and protect it with NtSetInformationObject.
The…
Shaggy Doo
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