I'm using HDC dc = GetDC(null); to get the DC from desktop but it isn't clear to me if I must release it with a ReleaseDC() call. If so, how should I do that? ReleaseDC(NULL, dc)?
Do I need to release the DC when the hwnd is NULL?
54 Views Asked by Jack At
0
There are 0 best solutions below
Related Questions in WINAPI
- How to immediately apply DISPLAYCONFIG_SCALING display scaling mode with SetDisplayConfig and DISPLAYCONFIG_PATH_TARGET_INFO
- Changing the theme of a #32768 (menu) window class at runtime
- Issue with GetOpenFileName while debugging
- How to populate a ListBox with SendMessage?
- Is there a function to end a child process?
- HDR video publishing
- Frameless Qt + WinAPI maximized window size is bigger than the availableGeometry()
- Mount .iso file with python
- What is Win32 x86-64 CONTEXT::VectorRegister for?
- WinAPI - right mouse drag & drop and IContextMenu
- Win32 per-filesystem cache tuning?
- Client connection timeout during Android & Windows PC communication via sockets
- MessageBoxEx sometimes shows as hollow window, border only, and only on Windows 11
- Win32api send message and Pydirectinput and Powertoy (Keyboard Manager ) Not working when open the application
- Would it be possible to run an application right after csrss.exe loads? (Windows)
Related Questions in RELEASE
- Not showing the widget wrapped with Obx in Android 14
- GitLab release-job creates a release where asset is artifacts.zip instead of concrete file
- Can't create android release application but debug application create with no errors
- DEP0700: Registration of the app failed UWP in release mode
- azure devops release pipeline is copy over ssh is very slow
- Path denied error when building UWP app in release
- Flutter Android application is not installing after release signing
- Gitlab Release job using link from artifacts
- How do I create a release-please "beta" release after a major version > 1?
- OMNET++ makefile:97 out/clang-release error
- Close versions of parent maven project and child project pointing to each other
- React Native App Crashes on Startup with TypeError related to a property shouldAutoEstablishSocketConnection being undefined (CometChat Related?)
- Release apk generating in yml script
- How to calculate number of contributors to a JIRA release?
- Text Widgets are disappering when releasing flutter applications without --obfuscate option
Related Questions in DC
- dc.js / crossfilter SeriesChart top 5 lines
- Do these two DC filter algorithms achieve the same thing, and is one better?
- Control fan speed with PCA9685 and a PIC
- How can we extract all the action rules of a project in one single excel from decision center IBM ODM
- SetTextColor has a transparent fill
- NTP synchro issue
- How to add a cooldown on discord.js?
- Add Network Service to Event Log Readers on Domain Controller server
- DC.js pie chart of already summarized data
- XML Python output not as expected (EAD & DC)
- Getting Domain Controller (DC) Site name via Linux (windows "ntlest /sgetsite" equivalent)
- Extract from Active Directory last password change and test if 6 month
- Linux tool dc gives "stack underflow" error
- Address attribute in with xpath (dublin core)
- Do I need to release the DC when the hwnd is NULL?
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?