The Syncfusion native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
.NET PDF framework is a high-performance and comprehensive library used to create, read, merge, split, secure, edit, view, and review PDF files in C#/VB.NET.
Pls check the attached Solution. When button launch Popup is clicked, the Pop is displayed. Now using Alt+Tab or from task bar click any other opened application , the pop up does not disappear.
As per provided solution
Try setting the parenntcontrol of the popup to be the form.
popupctrl.ParentControl = this;
popupctrl.ShowPopup(pt);
Th epop up now though disappeares when task bar other application is clicked but does not disappear when parent form is clicked
Syncfusion_9723.zip