WebJun 9, 2024 · Inside the async function are the Messagebox.Show() and ShowDialog() methods, BUT: Problem 1(solved): The new form does not open as modal dialog box (the main form is still active and accessible!) Problem 2(solved): The MessageBox.Show() method doesn't behave as modal dialog box (the main form is still active and accessible!). WebIn C#, you can use the OpenFileDialog and FolderBrowserDialog classes to prompt the user to select a file or folder. Once the user has selected a file or folder, you can use the FileName or SelectedPath properties to get the file path or folder path, respectively.. Here's an example of how to use OpenFileDialog to get a file path:. csharpusing …
c# - Use ShowDialog(form) where form is created on another …
WebFeb 6, 2024 · Before a dialog box closes, its DialogResult property should be set with a Nullable Boolean that indicates how the user closed the dialog box. This value is returned by ShowDialog to allow client code to determine how the dialog box was closed and, consequently, how to process the result. Note WebJun 28, 2006 · frmLogin.ShowDialog (this); if (frmLogin.DialogResult == DialogResult.OK) _user = frmLogin.CurrentUser; else this.Close (); } To summarize: 1. If the program is locked using the Lock button, it works correctly. 2. If the timer elapses, I get the cross thread exception. I know I can check the InvokeRequired to see if I need control invoke, did not have meaning
Control.Invoke with ShowDialog - C# / C Sharp
WebOct 30, 2014 · You should only open the Dialog from the UI thread. You can invoke the UI-Thread with the dispatcher: // call this instead of showing the dialog direct int the thread this.Dispatcher.Invoke ( (Action)delegate () { // Here you can show your dialiog }); You can simpliy write your own ShowDialog / Show method, and then call the dispatcher. WebMay 20, 2024 · 1. I'm creating a modal window, assigning it's DataContext to my view model, then calling ShowDialog. var vm = new MyViewModel (); // implements INotifyPropertyChanged // populate vm properties here var window = new MyWindow (); // inherits from System.Windows.Window window.DataContext = vm; window.ShowDialog … WebThe example uses the version of ShowDialog that specifies an owner for the dialog box. void ShowMyDialogBox() { Form2^ testDialog = gcnew Form2; // Show testDialog as a … did not have the time