WPF向指定視窗傳送鍵盤指令

現在網上的庫大部分都是vb的那個傳送鍵盤指令的庫，那個在wpf裡面是用不了的，wpf的話可以用system.windows.forms中的其實跟vb中的microsoft.visualbasic.devices這個裡面的sendkeys用法差不多一樣，吐槽一下，新的這個也可以在vb中使用好像，我看msdn中forms中的sendkeys也能在 vb中用，真是這乙個小問題浪費了我一下午的時間。貼上**

[dllimport("user32.dll", entrypoint = "findwindow")]

private
static
extern intptr findwindow(string lpclassname, string lpwindowname);
[dllimport("user32.dll", entrypoint = "findwindowex")]
static
extern intptr findwindowex(intptr hwndparent, intptr hwndchildafter, string lpclass, string lpszwindow);
[dllimport("user32.dll ", entrypoint = "sendmessage")]
public
static
extern intptr sendmessage(intptr hwnd, int msg, intptr wparam, string lparam);
[dllimport("user32.dll", entrypoint = "sendmessage")]
public
static
extern intptr sendmessage(intptr hwnd, int wmsg, intptr wparam, intptr lparam);
const
int wm_char = 0x0102;
const
int wm_settext = 0x000c;
const
int vk_return = 0x0d;
private
void
xin(object sender, routedeventargs e)
sendmessage(handle, wm_settext, intptr.zero, "d");
//          sendkeys.send("");
//sendmessage(handle, wm_char, (intptr)vk_return, intptr.zero);//enter
sendkeys.sendwait("");
// sendmessage(handle, wm_settext, intptr.zero, "w");
}

最後補充一下，它們其實就是很多個win32的api

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