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| SendMessage, SendMessageBynum, SendMessageByString |
| VB声明 |
Declare Function SendMessage& Lib "user32"
Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As
Long, lParam As Any)
Declare Function SendMessageBynum& Lib "user32" Alias
"SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long,
ByVal lParam As Long)
Declare Function SendMessageByString& Lib "user32" Alias
"SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long,
ByVal lParam As String) |
| 说明 |
| 调用一个窗口的窗口函数，将一条消息发给那个窗口。除非消息处理完毕，否则该函数不会返回。SendMessageBynum，
SendMessageByString是该函数的“类型安全”声明形式 |
| 返回值 |
| Long，由具体的消息决定 |
| 参数表 |
| 参数 |
类型及说明 |
| hwnd |
Long，要接收消息的那个窗口的句柄 |
| wMsg |
Long，消息的标识符 |
| wParam |
Long，具体取决于消息 |
| lParam |
Any，具体取决于消息 |
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