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I am starting a process from a Windows application. When I press a button I want to simulate the pressing of key F4 in that process. How can I do that?
[Later edit] I don't want to simulate the pressing of the F4 key in my form, but in the process I started.
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How to use the F4 key. Open the program that uses the key and press F4 . If the F4 key also has an icon on the key, it indicates the key has a secondary function. To use the secondary function, press and hold down the Fn key, and while continuing to hold the key, press F4 .
There are two methods to send keystrokes to an application: SendKeys. Send and SendKeys. SendWait. The difference between the two methods is that SendWait blocks the current thread when the keystroke is sent, waiting for a response, while Send doesn't.
Use SendWait to send keystrokes or combinations of keystrokes to the active application and wait for the keystroke messages to be processed. You can use this method to send keystrokes to an application and wait for any processes that are started by the keystrokes to be completed.
Laptop keyboards are smaller than stationary ones so typically, the F-keys (like F4) are used for something else. This is easily fixed! Just hold down the Fn key before you press F4 and it'll work.
You can use System.Windows.Forms.SendKeys.Send("{F4}");
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