SendMessage(Hwnd, LB_SETITEMDATA, 3, ????)
我要用LB_SETITEMDATA消息发送给一个Tlistbox来改变行的颜色
请问那个参数怎么给???????????????????????
我要用LB_SETITEMDATA消息发送给一个Tlistbox来改变行的颜色
请问那个参数怎么给???????????????????????
lParam为设置的值
aaa = SendMessage(WorkHwnd.MsgList, LB_GETITEMDATA, 3, 0)
我用这个LB_GETITEMDATA消息取得了一个数,和在SPY++里得到的一样
但用下面的再把这个消息发到listbox里,这个值就不是上面所得的那个了,这是怎么回事????
rtn = SendMessage(WorkHwnd.MsgList, LB_SETITEMDATA, 3, aaa)
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Integer, ByVal lParam As Any) As Long
Const LB_FINDSTRING = &H18F
Private Sub Form_Load()
With List1
.AddItem "Computer"
.AddItem "Screen"
.AddItem "Modem"
.AddItem "Printer"
.AddItem "Scanner"
.AddItem "Sound Blaster"
.AddItem "Keyboard"
.AddItem "CD-Rom"
.AddItem "Mouse"
End With
End Sub
Private Sub Text1_Change()
'Retrieve the item's listindex
List1.ListIndex = SendMessage(List1.hwnd, LB_FINDSTRING, -1, ByVal CStr(Text1.Text))
End Sub
aaa = SendMessage(WorkHwnd.MsgList, LB_GETITEMDATA, 3, 0)
我用这个LB_GETITEMDATA消息取得了一个数,和在SPY++里得到的一样
但用下面的再把这个消息发到listbox里,这个值就不是上面所得的那个了,这是怎么回事????
rtn = SendMessage(WorkHwnd.MsgList, LB_SETITEMDATA, 3, aaa)
加上byval试试