获取文本框中的内容失败。请看一下谢谢

[fengdream]

case WM_CREATE:
{
/* The window is being created. Create our button
* window now. */
TEXTMETRIC tm;

/* First we use the system fixed font size to choose
* a nice button size. */
hdc = GetDC (hwnd);
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
GetTextMetrics (hdc, &tm);
cx = tm.tmAveCharWidth * 30;
cy = (tm.tmHeight + tm.tmExternalLeading) * 2;
ReleaseDC (hwnd, hdc);

/* Now create the button */
hwndButton = CreateWindow (
"button",/* Builtin button class */
"Click Here",
WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
0, 0, cx, cy,
hwnd,/* Parent is this window. */
(HMENU) 1,/* Control ID: 1 */
((LPCREATESTRUCT) lParam)->hInstance,
NULL);

/*创建一个编辑框 */
hwndEdit = CreateWindow(TEXT("Edit"),
NULL,
WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT,
0,0,100,20,
hwnd,
(HMENU)ID_EDIT,
((LPCREATESTRUCT)lParam)->hInstance,
NULL);

//PlaySound (TEXT ("hellowin.wav"), NULL, SND_FILENAME | SND_ASYNC) ;
break;

return 0;
break;
}

case WM_COMMAND:
{
/* Check the control ID, notification code and
* control handle to see if this is a button click
* message from our child button. */
if (LOWORD(wParam) == 1 &&
HIWORD(wParam) == BN_CLICKED &&
(HWND) lParam == hwndButton)
{
char *pBuf = "Connecting...";

/* 取出来编辑框里面的内容 */

CHAR strText[1024]= " ";
GetWindowText(hwndEdit, strText, 100);

MessageBox(NULL, strText, "文本框里的内容是： ",0);//每次获取都是空
//memcpy(g_Databuf, pBuf, strlen(pBuf));
InvalidateRect(hwnd,NULL,TRUE);
UpdateWindow(hwnd);
}
return 0;
break;
}

[菜牛]

你哪里给编辑框设置内容了呢？

[fengdream]

我在里面输入内容了啊

[Show_Mike]

函数用错了:GetWindowText()取出的不是编辑框内的内容,而是这个窗口的标题.

[allright1199]

UpdateData(TRUE);
把控件的值传给对应的变量。

可能需要这个^_^

[chogimoga]

对，你没有在取值前 UpdateData()