The Windows API, informally WinAPI, is Microsoft's core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems. It was formerly called the Win32 API; however, the name Windows API more accurately reflects its roots in 16-bit Windows and its support on ...
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8 views
Pass extra wParam/lParam parameters?
A standard window procedure function takes this prototype:
LRESULT CALLBACK WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
When a message such as WM_MOUSEMOVE or WM_CHAR, the WndProc ...
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0answers
22 views
How to detect if antivirus/firewall is blocking my application?
I have a downloader which work fine, but sometimes the user's antivirus/firewall blocks its file write access and/or downloading. Is there a way to detect that?
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1answer
17 views
Creating a new instance of a process at WM_CLOSE
I am trying to write a program which starts itself as a DETACHED_PROCESS when the user hits the close botton in the title bar and following is the code for handling the WM_CLOSE message:
case ...
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1answer
24 views
Multiple Asynchronous HTTPS Requests and Completion Time
I have a program that needs to make around 200 HTTPS requests, which I've done using WinHTTP asynchronously. My code accomplishes this, but it's a lot slower than I expected it to be, at least when I ...
1
vote
1answer
19 views
Write permission on usb mass storage
I want to make an usb disk write protected, I have found doing this as a solution:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies]
"WriteProtect"=dword:00000001
But this ...
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0answers
23 views
Calling WINAPI ListView_SetImageList in Qt for faster icon fetching
I have a QListView with a lot of files and their icons. QIconProvider fetches the icons via Win API, converts them to QIcon via QPixmap::fromWinHICON() and then converts them back to HICON. This ...
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2answers
38 views
Getting mouse cursor position and button state on Windows
What is the most appropriate way of getting the mouse cursor position or button state on Windows (Windows 7 and above)? I previously used DirectInput, but I am not longer using it and do not wish to. ...
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3answers
21 views
wxWidgets and Visual Studio Linker Error When Compiling with a Static Library
I'm getting this linker error when compiling wxWidgets in Visual Studio 2010.
msvcrt.lib(wcrtexew.obj) : error LNK2001: unresolved external symbol _wWinMain@16
Now here's the problem. The entry ...
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1answer
19 views
Default TreeView item height
there.
Here's my problem: in my program, there are two controls - native TreeView and managed DataGridView. I want to set the RowsHeight property for the DataGridView with TreeView item height, but ...
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votes
2answers
26 views
Do apartments “live” on the server side or on the client side in a out-process environment?
I' having an hard time trying to understand COM apartments in outprocess environment.
Basically I can't understand why the client is required to call CoInitializeEx to register it's own thread in an ...
1
vote
2answers
41 views
Disable autoscrolling when inserting in List View (win32 API, C)
I'm inserting an item in my common control listview like this:
void InsertRow (HWND hWnd, char *col1, char *col2)
{
LV_ITEM lvItem;
lvItem.mask = 0;
lvItem.iItem = 0;
...
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0answers
53 views
Get last active window title
In my work were using application called Pivotal - eRelationships, it is a CRM app.
In it every user can create list of business objects.
Basically this looks like this:
User select from menu ...
2
votes
1answer
50 views
displaying a message when the user taps a key
The following snippet is meant to display the message when the user types a key. Even when the focus is not on the application. But there seems to be a problem with the following code. It doesn't call ...
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0answers
10 views
the HORZSIZE of the GetDeviceCaps
I am reading the Programming Windows 5th edition.This book told me that the HORZSIZE=25.4*HORZRES/LOGPIXELSX. And the following picture is my result:
If caculating the HORZSIZE by using the ...
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votes
1answer
27 views
call multiple functions from same dll
This could be a simple one.. I searched for an answer in SO and couldnt find what am looking for and thats why I posted a question here. Following are my doubts,
I'm developing an application where ...
