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.NET Forum / .NET Framework / New Users / December 2004How to send Alt-key to application
From mine application I start another win-app using Process.Start(). Normally, when using the keyboard I can press Alt-F to access the file menu. How can I access the menu from within the first app using Process.StandardInput? Or, how can I send the Alt-key to this app? Thanks in advance. You can use the Send or SendWait methods of the System.Windows.Forms.SendKeys class to send any key-combination to the active application. E.g. to send Alt+F you would use the code: SendKeys.Send("+F"); Regards, Jakob. > From mine application I start another win-app using Process.Start(). Normally, when using the keyboard I can press Alt-F to access the file menu. How can I access the menu from within the first app using Process.StandardInput? Or, how can I send the Alt-key to this app? > Thanks in advance. Thanks, but I cannot use SendKeys. I have a console app which starts a windows app with code like: Process myProc = new Process(); myProc.StartInfo.FileName = @"notepad.exe"; myProc.StartInfo.UseShellExecute = false; myProc.StartInfo.RedirectStandardInput = true; myProc.Start(); When using SendKeys it's send to the console app. In this case I want notepad to receive the Alt-F. Any suggestions? Thanks. Edward > You can use the Send or SendWait methods of the System.Windows.Forms.SendKeys class to send any key-combination to the active application. E.g. to send Alt+F you would use the code: > [quoted text clipped - 4 lines] > > From mine application I start another win-app using Process.Start(). Normally, when using the keyboard I can press Alt-F to access the file menu. How can I access the menu from within the first app using Process.StandardInput? Or, how can I send the Alt-key to this app? > > Thanks in advance. SendKeys always sends the keys to the active application. You need to wait for notepad to be able to receive input. The following code seems to work. It waits 3 seconds for notepad to enter idle state: Process myProc = new Process(); myProc.StartInfo.FileName = @"notepad.exe"; myProc.StartInfo.UseShellExecute = false; myProc.StartInfo.RedirectStandardInput = true; myProc.Start(); if (myProc.WaitForInputIdle(3000)) SendKeys.SendWait("%F"); '+F' does not seem to work so I may have misinformed you in my previous post. Use '%F' instead as in the code above. Regards, Jakob. > Thanks, > but I cannot use SendKeys. I have a console app which starts a windows app with code like: [quoted text clipped - 18 lines] > > > From mine application I start another win-app using Process.Start(). Normally, when using the keyboard I can press Alt-F to access the file menu. How can I access the menu from within the first app using Process.StandardInput? Or, how can I send the Alt-key to this app? > > > Thanks in advance. Thanks, The problem I had was getting the called application to the foreground. Works now. Edward > SendKeys always sends the keys to the active application. You need to wait for notepad to be able to receive input. The following code seems to work. It waits 3 seconds for notepad to enter idle state: > [quoted text clipped - 32 lines] > > > > From mine application I start another win-app using Process.Start(). Normally, when using the keyboard I can press Alt-F to access the file menu. How can I access the menu from within the first app using Process.StandardInput? Or, how can I send the Alt-key to this app? > > > > Thanks in advance. > '+F' does not seem to work so I may have misinformed you in my previous > post. Use '%F' instead as in the code above. + would mean Shift, % Alt, and ^ Ctrl. This is totally unrelated to the Alt-key, but it IS related to the post Mr. Johnson made. I am writing an app that is supposed to send Ctrl+S to whatever app is in the foreground. Thanks. > > '+F' does not seem to work so I may have misinformed you in my previous > > post. Use '%F' instead as in the code above. > > + would mean Shift, % Alt, and ^ Ctrl. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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