I'm writing a simple audio playback application, to save the codec fee, so we are using WMP ActiveX to play all music files, but it needs to create a window for ActiveX, and the thread of creating the ActiveX should have message loop. I would like to know if there is a way for WMP without ActiveX and Window? Thanks in advance. ...
In Win32 in order to paste data into the clipboard I have to call GlobalAlloc(), then GlobalLock() to obtain a pointer, then copy data, then call GlobalUnlock() and SetClipboardData(). If the code is in C++ an exception might be thrown between calls to GlobalLock() and GlobalUnlock() and if I don't take care of this GlobalUnlock() will ...
I am writing a GStreamer application (GStreamer uses DirectShow under the hood on Windows) that captures a computer's microphone and videocamera. It works fine, but requires me to specify the device names manually. I would like to have my program detect these automatically. Does anyone know how to do that? ...
Is there any windows API to register a callback for when the WinInet proxy settings have changed? ...
In C++ I have defined a class that has this as a member static const std::basic_string<TCHAR> MyClass_; There is also a getter function for this value LPCTSTR CClass::GetMyClassName() { return MyClass_.c_str(); } When I create an instance of this class and then try and access it intellisense pops up but the name has been change...
Hi there! I know that all windows platforms automatically detect when a game controller is connected. I also know there is a WinAPI for polling these controllers. I can't seem to find the functions I am looking for anywhere. Any help is greatly appreciated! Brendan ...
I have setup a hook on WM_SETTEXT message using WH_CALLWNDPROC. In hook procedure CWPSTRUCT* info = (CWPSTRUCT*) lParam; switch(info->message) { case WM_SETTEXT: break; } Now in the above code how can I get the string that is passed along WM_SETTEXT message? I am not able to get this information anywher.. ...
I'm working on a Win32 application in C++ and would like to add the ability to output the default web cam onto the screen. I was wondering if there was a Win32 API for this, or a way to do this without coding the whole thing. Thanks ...
I have setup a hook on WM_SETTEXT message using WH_CALLWNDPROC. In hook procedure CWPSTRUCT* info = (CWPSTRUCT*) lParam; wchar_t *wsz = NULL; switch(info->message) { case WM_SETTEXT: wsz = (wchar_t *) info->lParam; //info->lParam = (LPARAM) L"Hello"; //SendMessage(info->hWnd,WM_SETTEXT,0,(LPARAM)L"HEllo"); //SetWindowText(info->hWnd,L"...
I am enumerating through all visible application windows on a system and I want to determine which ones are set to 'always on top' / 'top most'. My application needs to determine this as it positions various third party applications on a large monitor for fast data entry. I'm happy with a P/Invoke solution. ...
I have a WTL C++ application and I want the user to be able to select different colours for some of the UI elements and apply a gradient fill using the GradientFill API call. However, instead of letting the user pick the start and end colours for the gradient, I'd like them to be able to select a 'base' colour and for my application to ...
When the user grabs a corner of a resizable window, and then moves it, windows first moves the contents of the window around, then issues a WM_SIZE to the window being resized. Thus, in a dialog where I want to control the movement of various child controls, and I want to eliminate flickering, the user first sees what windows OS thinks ...
GetErrorMessage (from CInternetException) gives me the following: With the incorrect ftp server name: "ERROR! The server name or address could not be resolved" With the incorrect password: ERROR! The password was not allowed With the incorrect user name: ERROR! The password was not allowed <-----? NO separate message for incorrec...
void WriteChar(char c) { INPUT input = {0}; input.type = INPUT_KEYBOARD; input.ki.wVk= VkKeyScanEx(c, GetKeyboardLayout(0) ) ; SendInput(1,&input, sizeof(INPUT)); } VkKeyScanEx returns different key codes for '/' and '?'(same key), however if you try using this method to write a message containing '?', it will only w...
I like to know if its possible to use win32 keyboard hook function (SetWindowsHookEx , SetWindowsHookEx ) in a Qt application. If possible pls provide a sample code on using SetWindowsHookEx , SetWindowsHookEx functions in Qt. //Update as of 18 Feb 2010 // I havent figured out how to do that in QT yet. But as a workaround I have cre...
Microsoft has a very nice Windows API wrapper included in .NET framework. It is stored in Microsoft.Win32.UnsafeNativeMethods , Microsoft.Win32.SafeNativeMethods and Microsoft.Win32.NativeMethods.Unfortunately they aren't accessible because they are declared as private. Is there a way of accessing them easily? ...
I need to set the DSCP field of packets sent from a specific (tcp) socket in windows XP. It seems that the GQOS API should serve this purpose (see http://blogs.msdn.com/wndp/archive/2006/07/05/657196.aspx) but I really, really, can't find any working example or figure how to use it on my own. I would be very grateful if anyone of you h...
I am doing a project in java which has the function to add files in database, and i want to use winapi functions to select files. How would i do that? ...
I have created a simple game using Win32 and gdi. I would like to have a track bar at the bottom that tracks a global variable. I'm just not sure how to add controls. How could I add a trackbar? I can imagine it would get created in the wm_create event. ...
I would like to create a single System.Drawing.Icon programmatically from 32x32, 16x16 Bitmaps. Is this possible? If I load an icon with - Icon myIcon = new Icon(@"C:\myIcon.ico"); ...it can contain multiple images. ...