I know that there is an InvalidateRect setting area in onpaint, but if you can only draw on CClientDC directly when clicking on the function, how to set the drawing update area ...
in MFC development, how to switch tabControl pages with a button? for example, in C-sharp, you can click the button to switch pages by adding the following statement to the button: this.tabControl1.SelectedIndex = 2; but only these two attributes ...
in MFC development, how to change the picture content of pictureBox by clicking a button? this property in pictureBOX: how to add code to the button to make pictureBOX load another picture when you click the button, thank you! ...
...
you need to code to achieve hard trigger, but the sample in pylon only finds software trigger examples. According to the above tips, you have implemented hardware trigger, but the actual test cannot be triggered. I know it is a code problem, but ther...
this click is invalid, whether or not to add the native modifier, or whether to add parentheses after test. this p tag can be clicked, and there are no syntax errors in the code. the code is as follows: <template> <div class="add...
this path cannot be accessed .. kecheng index this path can be accessed .. kecheng content index current path page faxian index destination path page kecheng index destination subpath page kecheng content index registered in app.json ...
write a client, of FTP using passive mode. After the data socket for transmission is established, how does the socket for the command inform data socket?? int client_data_socket = get_client_data_socket(client_cmd_port); sprintf(send_buffer, "...
ufw cannot be used normally under ubuntu. ufw has been installed, version root@VM-0-8-ubuntu: home ubuntu-sharp sudo apt-get install ufw Reading package lists... Done Building dependency tree Reading state information... Done ufw is already the ne...
<div class="father"> <div class="child">child1< div> <div class="child">child2< div> <div class="child">child3< div> <div class="child">c...