subject_52428.htm

vc

<p>
序号：52428 发表者：Kang 发表日期：2003-09-10 21:48:10
<br>主题：按完一个键后怎么重写在客户区的文字？
<br>内容：case WM_PAINT:<BR>&nbsp;&nbsp;&nbsp;&nbsp;hdc = BeginPaint(hwnd, &amp;ps);<BR>&nbsp;&nbsp;&nbsp;&nbsp;GetClientRect(hwnd, &amp;rect);<BR>&nbsp;&nbsp;&nbsp;&nbsp;DrawText(hdc, TEXT(&#34;hello windows in the client window&#34;), -1, &amp;rect,<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DT_SINGLELINE | DT_CENTER | DT_VCENTER);<BR>&nbsp;&nbsp;&nbsp;&nbsp;EndPaint(hwnd, &amp;ps);<BR>&nbsp;&nbsp;&nbsp;&nbsp;return 0;<BR><BR>case WM_KEYDOWN:<BR>&nbsp;&nbsp;&nbsp;&nbsp;switch(wParam){<BR>&nbsp;&nbsp;&nbsp;&nbsp;case VK_HOME:<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MessageBox(NULL, TEXT(&#34;press down HOME key&#34;), &#34;MSGBOX&#34;, 0);<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return 0;<BR>......<BR><BR>我想在按完Down键之后在客户区的&#34;hello windows in the client window&#34;变成&#34;test down&#34;，应该怎么做？<BR>2003-9-10 21:49:49