I am working on a project, in this project I am add a feature, if I click on a button then it will open the outlook and send a file to another user. in my system the build is working fine, version of the outlook is 2010.
In another system the feature is not working. if he clicked on the button then an error message is coming
it saying: NO Such interface supported. in his system version of the outlook is 2021.

I am working on a project, in this project I am add a feature, if I click on a button then it will open the outlook and send a file to another user. in my system the build is working fine, version of the outlook is 2010.
In another system the feature is not working. if he clicked on the button then an error message is coming
it saying: NO Such interface supported. in his system version of the outlook is 2021.

I am working on a project, in this project I am add a feature, if I click on a button then it will open the outlook and send a file to another user. in my system the build is working fine, version of the outlook is 2010.
In another system the feature is not working. if he clicked on the button then an error message is coming
it saying: NO Such interface supported. in his system version of the outlook is 2021.

I am working on a project, in this project I am add a feature, if I click on a button then it will open the outlook and send a file to another user. in my system the build is working fine, version of the outlook is 2010.
In another system the feature is not working. if he clicked on the button then an error message is coming
it saying: NO Such interface supported. in his system version of the outlook is 2021.

I am working on implementing a scientific calculator in MFC, C++.

I am working on a project, in this project I am add a feature, if I click on a button then it will open the outlook and send a file to another user. in my system the build is working fine, version of the outlook is 2010.
In another system the feature is not working. if he clicked on the button then an error message is coming
it saying: NO Such interface supported. in his system version of the outlook is 2021.

I have a MFC based Dialog application. I would like to preserve the previous scrolled position of the window and reshow the same position after resizing the dialog. How can I achieve it?

I have a options dialog in my MFC application which I have created like this.
There is a parent dialog with a treeview on the left and depending on the selected element, a different child window is shown on the right. All of them are designed in the VS 2022 designer.

I know where the MFC header and source files are located (in my case, C:Program Files (x86)Microsoft Visual Studio2019EnterpriseVCToolsMSVC14.29.30133atlmfc). The header containing the CWnd class is afxwin.h, does anyone know which file contains the source code?

I’m using MFC threading:
both main thread and worker thread are using the same function ReceiveResponse().
and I change myMaster->configDone so that the worker thread executes different work based on myMaster->configDone value.
the problem is that I may change myMaster->configDone value in my main thread, but the worker thread sometimes would receive data even when the myMaster->configDone != tComSts::COM_CFG_DONE. in my opinion because it hasnt finish the loop before that the main thread changed the value of myMaster->configDone.
what should I do in this case please?