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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Beginner
Dec 4, 1998

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Application Security Testing: An Integral Part of DevOps


Simulating Keystrokes

Question:
I am building an add-on application in Visual C++ 6.0. How can you send a key combination (such as Control+K) to another application to invoke a menu shortcut (for example, control+o for open in a file menu)? I can do this in VB using SendKeys, and I wondered how it can be done in VC++.

Answer:
Under Win32, you can use the keybd_event API to send keystrokes to another application. This function is called by the keyboard driver's interrupt handler when a keystroke is detected so applications will not know the difference between a call to keybd_event and an actual key press.

If you are using NT 4 SP3 or later, you may want to use the newer SendInput function. Please refer to the API reference for additional details.

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