Web我试图使用DialogResult检查Messagebox的YesNoCancel。我使用下面的代码,我看不出有任何问题:无法使用DialogResult. DialogResult dlgResult = MessageBox.Show( "Save changes before closing?", "Warning", MessageBoxButton.YesNoCancel, MessageBoxImage.Question); 但的Visual Studio引发我错误说 Webprivate void btnBrowse_Click (object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog (); dlg.ShowDialog (); if (dlg.ShowDialog ()== DialogResult.OK ) { string fileName; fileName = dlg.FileName; txtFile.Text = fileName; btnSend2.Enabled = true; } } Example #11 0 Show file
c# - Calling ShowDialog in BackgroundWorker - Stack Overflow
Web我有一个WPF窗口,该窗口使用重型库,并需要时间才能完全渲染.这个库在UserControl中.此窗口是通过父窗口中的上下文菜单命令打开的.使用MVVM模式,我需要在关闭以访问ViewModel时获取此新窗口的拨号.单击上下文菜单项打开此新窗口时,上下文菜单保持打开状态,直到将完成新窗口的实例为止.打开此 ... WebMar 5, 2013 · I am currently coding a "quickstart program" which lets you open an .exe file and start them whenever you click a button. For this I used an openFileDialog to let the user open the desired .exe files.. Additionally I extract the icons from the .exe to show it, above the start button. how much is ohio unemployment benefits
How to get values from a dialog form in VB.NET?
WebTo display the // dialog, either this property or the PrinterSettings property // must be set PrintDialog1.Document = docToPrint; DialogResult result = PrintDialog1.ShowDialog (); // If the result is OK then print the document. if (result==DialogResult.OK) { docToPrint.Print (); } } // The PrintDialog will print the document // by handling the … WebApr 13, 2024 · C#对话框-FolderBrowserDialog. FolderBrowserDialog 是 .NET Framework 中的一个类,用于显示文件夹对话框。. 以下是该类的一些常用属性和方法:. … WebMay 8, 2012 · private void backgroundWorker1_DoWork (object sender, DoWorkEventArgs e) { DialogResult result = DialogResult.No; DoOnUIThread (delegate () { MyForm f = new MyForm (); f.FilesToAddDelete (..); result = f.ShowDialog (); }); if (No...) return; else //keep working... } Share Improve this answer Follow answered May 8, 2012 at 12:38 how do i close full screen