如何发送消息

518软件工作室 2006-12-29 05:58:58

我用SPY++得到了一个按扭的发送消息如下:
<00063> 001F03F2 ..message:0x0DB6[User-defined:WM_USER+2006] wParam:001F03F2 lParam:00000000
<00064> 001F03F2 ..message:0x0DB6[User-defined:WM_USER+2006]
IResult:77CE2D80

也得到了此按扭的Hwnd我在程序中如何像此按扭发送这条消息

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518软件工作室 2006-12-29

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像里面的复选按扭没有问题的

Aaron_Jerry 2006-12-29

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反正格式就是这样，具体情况要看你的程序了

518软件工作室 2006-12-29

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这样不行的不知道是怎么回事
SendMessage(hwnd,WM_USER+2006,LPARAM(hwnd),NULL);

Aaron_Jerry 2006-12-29

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那就直接这样
SendMessage(hwnd,WM_USER+2006,NULL,NULL);

518软件工作室 2006-12-29

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哪个0x001F03F2好像就是当前窗体的句柄

Aaron_Jerry 2006-12-29

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LRESULT SendMessage(
HWND hWnd, // handle of destination window
UINT Msg, // message to send
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
);

Parameters
hWnd
Handle to the window whose window procedure will receive the message. If this parameter is HWND_BROADCAST, the message is sent to all top-level windows in the system, including disabled or invisible unowned windows, overlapped windows, and pop-up windows; but the message is not sent to child windows.
Msg
Specifies the message to be sent.
wParam
Specifies additional message-specific information.
lParam
Specifies additional message-specific information.
Return Values
The return value specifies the result of the message processing and depends on the message sent.
//////////////////////////////////////////////////////////////////////////////////
eg:
SendMessage(hwnd,WM_USER+2006,0x001F03F2,NULL);