别名:SendMessageA 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。 SendMessage完全函数原型: Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Decl...
有时候，工作簿中可能有大量的命名区域。然而，如果名称太多，虽然有名称管理器，可能名称的命名也有清晰...
对于文本框等编辑控件,你可以使用SendMessageA函数发送WM_GETTEXT消息来获取文本内容。 vba Declare PtrSafe Function SendMessageA Lib "user32" (ByVal hWnd As LongPtr, ByVal Msg As Long, ByVal wParam As LongPtr, lParam As Any) As LongPtr ' 获取文本框内容的示例 Function GetTextBoxText(ByVal ...
_ByVal hWndChildAfter As Long, ByVal lpClassName _As String, ByVal lpWindowName As String) As LongPrivate Declare Function SendMessage Lib "user32" Alias _"SendMessageA"(ByVal hWnd As Long, ByVal wMsg As Long,_ByVal
Dim myi As Long, myj As Long, mym As Long, myn As Long, VAF1 As Long, VAF2 As String Dim Rowsetstart As Long, Rowsetend As Long, myrowssetdaters() As String, myrowssetdater1() As String, myrowssetindexdater() As String ...
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByRef lParam As Any) As Long 'Public Const WM_GETTEXT As Long = &HD& Private Const WM_SETTEXT As Long = &HC&...
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, By...
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However, I am struggling to communicate with the USB port so I can send an output string to the power supply.I realise that if I had an adapter from USB to a R232 serial port, I could use 'MSComm1' notation but it maybe difficult to match port attributes such as Baud Rate, word ...
retval = SendMessage(hWnd, WM_GETTEXT, 255, buf) GetWndText = Left(buf, InStr(1, buf, Chr(0)) - 1) <SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Function</SPAN> <SPAN style="color:#007F00">'The call back function used by EnumChildWindows</SPAN> <SPAN...