可以用普通的C语言来写。调用User32.lib
的函数:
void keybd_event(BYTE bVirturalKey,BYTE bScanCode,
DWORD dwFlags,DWORD dwExtraInfo)
ctrl 键是 VK_CONTROL bScanCode = 0x9d
shift键是 VK_SHIFT 0xaa
揿键是 0,0
键弹上来是:KEYEVENTF_KEYUP,0
例如simu_keyboard.c程序,模拟 Alt-PrintScreen,把屏幕图像放入剪切板。
头文件:
#include <Windows.h>
#include <Winuser.h>
#include <stdio.h>
#include <stdlib.h>
/* ----------------------------------
simulation of Alt-PrintScreen
to get current Window image in clipboard
* -----------------------------------*/
void snapwin_2_clipboard()
{
keybd_event(VK_LMENU,0xA4,0,0); // 揿 Alt
keybd_event(VK_SNAPSHOT,0x2C,0,0); // 揿 PrintScreen
keybd_event(VK_SNAPSHOT,0x2C,KEYEVENTF_KEYUP,0); // 键弹上
keybd_event(VK_LMENU,0xA4,KEYEVENTF_KEYUP,0); // 键弹上
}
void main()
{
(void) snapwin_2_clipboard();
exit(0);
}
编译命令: cl simu_keyboard.c user32.lib
运行:simu_keyboard.exe
用任何图像编辑软件中的Edit-paste 可贴剪切板里的内容了。
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