相当于你按了一下Tab键。就是将焦点切换到下一个控件。
解决方案 »
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wCtlFocus = wParam; // identifies control for focus
fHandle = (BOOL) LOWORD(lParam); // wParam handle flag
ParameterswCtlFocusValue of wParam. If the fHandle parameter is TRUE, the wCtlFocus parameter identifies the control that receives the focus. If fHandle is FALSE, wCtlFocus is a flag that indicates whether the next or previous control with the WS_TABSTOP style receives the focus. If wCtlFocus is zero, the next control receives the focus; otherwise, the previous control with the WS_TABSTOP style receives the focus. fHandleValue of lParam. Contains a flag that indicates how Windows uses the wCtlFocus parameter. If the fHandle parameter is TRUE, wCtlFocus is a handle associated with the control that receives the focus; otherwise, wCtlFocus is a flag that indicates whether the next or previous control with the WS_TABSTOP style receives the focus. Return ValuesAn application should return zero if it processes this message. ResThe effect of this message differs from that of the SetFocus function because WM_NEXTDLGCTL modifies the border around the control.
Do not use the SendMessage function to send a WM_NEXTDLGCTL message if your application will concurrently process other messages that set the focus. Use the PostMessage function instead.
我公司的软件出了问题,执行文件没有办法了,不知道是什么原因。
具体情况是这样的:
两台电脑,一台服务器安装了delphi5.0和sybase数据库。执行文件在服务器上能用。
另一台安装了delphi5.0和sybase。执行文件不能用。运行提示是没有找到库。
请问应该怎么做呢