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! ...
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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...
-sharp! bin bash file_name2=`date +%Y%m%d%H%M%S` mkdir home sql_bak user_bak $file_name2 chmod 7777 home sql_bak user_bak $file_name2 -sharp-sharp-sharp-sharp arr_string=(users payrecord_fruitcoin yamirecord vipexam_record stream_order io...
as shown below, the subcomponent code: <template> <div class="container"> <div :id="id" :option="option">< div> < div> < template> <script> import HighCharts from highcharts ...
problem description there has always been a doubt, that is, is it better to encapsulate a request into an object for management, or to call this interface directly? for example: for example, we have an interface to request a data void requestData (...
how does react intercept login? only if you log in, you have the right to access the page, similar to the hook function beforeEach provided by vue-router ....
is the domain name of http that requests the domain name of https. Is this cross-domain, and why? ...