Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,455 questions
0 answers
Windows V2004 causes our app to show "You'll need a new app to open this ms-gamingoverlay link"
Now that Windows 10 v2004 is out, I have reports that our desktop application starts up and then the user is presented with a message: "You'll need a new app to open this ms-gamingoverlay link" Unfortunately I don't have access to this OS due…
asked 2020-07-29T21:13:56.667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 10%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHR%3C/text%3E%3C/svg%3E)
Holland, RD (DI SW ME PRD SDE AS)
31
Reputation points
commented 2020-08-17T16:44:55.32+00:00
Holland, RD (DI SW ME PRD SDE AS)
31
Reputation points
1 answer
Is it possible to create a simple drop shadow using GDI+ Blur?
I'm displaying bitmaps, and I'd like to add a simple drop shadow to them (like the way Explorer does in the preview pane). I figured out how to do it with Direct2D, but that was sort of overkill, so I was wondering if there's a simpler way to do it…
asked 2020-08-14T12:58:13.477+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 14.000000000000002%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
loop123123
1
Reputation point
commented 2020-08-17T03:11:25.203+00:00
Rita Han - MSFT
2,161
Reputation points
1 answer
CryptUIWizDigitalSign locks a file if it fails
Hi! I have a problem using the CryptUIWizDigitalSign-Function in C#. If I pass a file via CRYPTUI_WIZ_DIGITAL_SIGN_INFO-Structure that cannot be signed (i.e. Text-File), the function fails. But if i try to delete the file after the failure, the file is…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 3%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
2 answers
KEYDOWN in COMBOBOX does not work
I need to have access to the KEYDOWN event in all the visual controls of the window, and in the instructions indicated on the next page: https://learn.microsoft.com/en-us/windows/win32/controls/subclass-a-combo-box Everything works, except that…
asked 2020-08-11T16:39:57.38+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 28.000000000000004%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDD%3C/text%3E%3C/svg%3E)
Daniel de Dios El Ignorado
1
Reputation point
commented 2020-08-13T07:56:11.797+00:00
Rita Han - MSFT
2,161
Reputation points
1 answer
One of the answers was accepted by the question author.
How can I check whether a certificate is CA or end entity?
Want to confirm the cert type CA or End Entity, before it is imported to the certificate store. Is there any utility function available for this. I have written the below function. But it returns always return the cert as CA. Is this have a bug or is…
asked 2020-08-05T06:08:09.78+00:00
Vishnu Gopalakrishnan
126
Reputation points
commented 2020-08-05T13:29:06.937+00:00
Vishnu Gopalakrishnan
126
Reputation points
1 answer
How to use bitmap for a three state check box with OBM_CHECKBOXES.
Hello, I want to use three state checkbox in the list control. Today, there is facility for normal checkbox. The bitmap for normal check box are loaded from OBM_CHECKBOXES. The problem is, I am not able to find the bitmap image for intermediate…
asked 2020-07-29T02:13:21.537+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 66%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Rahul Mendke
1
Reputation point
answered 2020-08-05T07:03:13.803+00:00
Rita Han - MSFT
2,161
Reputation points
1 answer
One of the answers was accepted by the question author.
Magnifier Control unable to magnify the taskbar start menu
I've modified the MagnifierSample from the Windows-classic-samples, turning it into a lens magnifier. However when I open the Start Menu by pressing the Start button my magnification lens window is pushed to the background and is unable to magnify the…
asked 2020-07-29T06:43:09.907+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 31%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJB%3C/text%3E%3C/svg%3E)
Johannes Bergman
41
Reputation points
commented 2020-08-04T13:48:27.283+00:00
Johannes Bergman
41
Reputation points
1 answer
Increasing Private Bytes but constant Virtual Bytes and Working Set. Genuine Memory Leak?
Hello everyone, We have developed a desktop server application which is written in C++. After running this application for 24hours, we could notice the following changes in memory usage(data collected through Perfmon). As per the…
asked 2020-08-01T14:08:54.37+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 82%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVK%3C/text%3E%3C/svg%3E)
Vinay Kumar L
21
Reputation points
commented 2020-08-03T08:03:39.457+00:00
Rita Han - MSFT
2,161
Reputation points
3 answers
Can I subclass the same parent window HWND several times
In case positive, is there a penalty in performance due to this? I want to use this so each child window can process its own parent notifications. For example, a Listview subclass its parent window and process LVN_ITEMCHANGED, LVN_COLUMNCLICK, ect. An…
asked 2020-07-29T19:14:21.717+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 40%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFG%3C/text%3E%3C/svg%3E)
Fernando Gabriel
1
Reputation point
answered 2020-07-31T12:23:26.957+00:00
RLWA32
41,456
Reputation points
2 answers
Bluetoothleapis.h and Manufacturer specific data
Hello, I am using the C API for Bluetooth Low Energy. https://learn.microsoft.com/en-us/windows/win32/api/bluetoothleapis/ I would like to retrieve the Manufacturer specific data from the advertising packets, similar to what you can do in…
asked 2020-07-20T18:39:43.64+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 99%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJS%3C/text%3E%3C/svg%3E)
Jean Simonet
1
Reputation point
commented 2020-07-31T07:58:05.45+00:00
Rita Han - MSFT
2,161
Reputation points
1 answer
Want to warn when i use the same symbol defined two another library when link
I have below case: I add below code in testa.c file. extern unsigned char globaltest; void a() { if (globaltest == 3) { globaltest = 4; } } Define test lib1.lib and lib2.lib and define globaltest in those lib. Link testa.obj lib1.lib…
asked 2020-07-29T02:06:12.37+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 61%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJG%3C/text%3E%3C/svg%3E)
Jiang, Guomin
1
Reputation point
answered 2020-07-29T17:28:36.817+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 13%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDR%3C/text%3E%3C/svg%3E)
Darran Rowe
561
Reputation points
1 answer
How to get detailed information of Windows system log using ReadEventLog?
How to use ReadEventLog to get all detailed information of Windows log?
asked 2020-07-15T02:37:16.54+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 57.99999999999999%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
猛 刘
1
Reputation point
answered 2020-07-28T13:01:19.597+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 12%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
David Lowndes
4,711
Reputation points
0 answers
Custom Credential Provider Command Link to to open a browser with URL, does not open browser
I have written a Custom Credential Provider (Wrapper) [in VC++] to show a command link, when clicked on it will open a browser with a URL. It works fine in my development environment. But after installing the DLL and completing the registering settings…
asked 2020-07-22T14:39:06.583+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 51%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGG%3C/text%3E%3C/svg%3E)
GIRI.GAPPU
1
Reputation point
commented 2020-07-24T14:26:26.857+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 92%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Sheng Jiang 蒋晟
206
Reputation points
3 answers
One of the answers was accepted by the question author.
what this ClassName Means?
Hi, I'm trying to build GUIA program using python 3 without using pywinauto and autoit The target program is composed by many Edits, RadioButtons, Buttons etc ClassName of Edit is returned as "WindowsForms10.EDIT.app.0.13965fa_r9_ad1" It…
asked 2020-07-22T19:04:46.51+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 73%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
Myeong Ji Go
21
Reputation points
answered 2020-07-23T09:03:35.247+00:00
Castorix31
82,206
Reputation points
0 answers
How to exit full screen of MCI?
Cannot exit full screen after calling mciSendString("play movie fullscreen",NULL,0,NULL). ESC and F11 don't work. Please help.
asked 2020-07-15T08:59:47.703+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 38%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Soha
1
Reputation point
commented 2020-07-17T03:41:48.787+00:00
Rita Han - MSFT
2,161
Reputation points