Delphi中如何区分多个键盘? [英] How to distinguish Multiple Keyboards in Delphi?
问题描述
我有两个连接到 PC 的键盘.一个用于输入 TMemo1，另一个用于 TMemo2.两者都可以同时打字.问题是我无法区分一个键盘输入的内容和第二个键盘输入的内容.
I have two keyboards attached to a PC. One is used to type in TMemo1 and the other in TMemo2. Both are allowed to type at the same time. The problem is I cannot distinguish what keyboard-one has typed and what keyboard-two has typed.
有什么办法可以区分，某些输入来自哪个设备?
Is there any way to distinguish, which device certain input came from?
推荐答案
@Dian，可以使用RegisterRawInputDevices 函数用于注册键盘并监控 WM_INPUT 消息以确定输入来自的设备(键盘).
@Dian, you can use the RegisterRawInputDevices function to register the keyboards and monitor the WM_INPUT message to determine the device (keyboard) where the input came from.
查看这些链接以获取更多信息
check theses links for more info
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