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分享关于BN_CLICKED的响应事件
我用vc查找其他运行程序的一个窗体并得到它的按钮用SendMessage调用他的
点击事件但是不成功。原代码如下：
m_hWnd=FindWindow(NULL,"关于 MyAppOne");
m_child=GetWindow(m_hWnd,GW_CHILD);
i_handle=GetDlgCtrlID(m_child);
SendMessage(m_child,WM_COMMAND,BN_CLICKED,(UINT)i_handle);
点击事件但是不成功。原代码如下：
m_hWnd=FindWindow(NULL,"关于 MyAppOne");
m_child=GetWindow(m_hWnd,GW_CHILD);
i_handle=GetDlgCtrlID(m_child);
SendMessage(m_child,WM_COMMAND,BN_CLICKED,(UINT)i_handle);
...全文
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farfh 2003-11-11
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你参数写错了，msdn上的参数解释如下。
The BN_CLICKED notification code is sent when the user clicks a button.
The parent window of the button receives the BN_CLICKED notification code through the WM_COMMAND message.
Syntax
BN_CLICKED
WPARAM wParam
LPARAM lParam;
Parameters
wParam
The low-order word contains the button's control identifier. The high-order word specifies the notification message.
lParam
Handle to the button.
The BN_CLICKED notification code is sent when the user clicks a button.
The parent window of the button receives the BN_CLICKED notification code through the WM_COMMAND message.
Syntax
BN_CLICKED
WPARAM wParam
LPARAM lParam;
Parameters
wParam
The low-order word contains the button's control identifier. The high-order word specifies the notification message.
lParam
Handle to the button.
