Option Explicit
'相关 API 函数声明
Public Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, _
ByVal lpString As String, ByVal cch As Long) As Long '取得指定窗口的标题
Public Declare Function GetWindow Lib "user32" (ByVal hwnd As Long, ByVal wCmd As Long) As Long '取得窗口句柄
Public Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long '获取父窗口句柄
Const GW_CHILD = 5
Const GW_HWNDNEXT = 2
Const WM_GETTEXT = &HD
Const WM_GETTEXTLENGTH = &HE
'获取命令行窗口句柄的示例
Sub MC_GetCommandLineSample()
Debug.Print GetCommandLineWindows(GetAcadHwnd)
End Sub
'获取AutoCAD主窗口句柄
Public Function GetAcadHwnd() As Long
GetAcadHwnd = GetParent(GetParent(ThisDrawing.hwnd))
End Function
'遍查子窗口,判断窗口是否为命令行窗口,并返回命令行窗口句柄
Public Function GetCommandLineWindows(Window_Hwnd As Long) As Long
Dim Buf As String
Dim BufLen As Long
Dim Child_hwnd As Long
Dim Children() As Long
Dim Num_Children As Integer
Dim i As Integer
Dim TitleText As String * 1024
Dim TitleLeng As Long
Dim Title As String
Dim CHwnd As Long
TitleLeng = GetWindowText(Window_Hwnd, TitleText, Len(TitleText))
Title = Left$(TitleText, TitleLeng)
If Left(Title, 3) = "命令行" Or Left(Title, 12) = "Command Line" Then
GetCommandLineWindows = Window_Hwnd
Exit Function
End If
Num_Children = 0
Child_hwnd = GetWindow(Window_Hwnd, GW_CHILD) '取得第 1 个子窗口的句柄
Do While Child_hwnd <> 0 '如果有子窗口
Num_Children = Num_Children + 1
ReDim Preserve Children(1 To Num_Children)
Children(Num_Children) = Child_hwnd
Child_hwnd = GetWindow(Child_hwnd, GW_HWNDNEXT) '取得下一个兄弟窗口的句柄
Loop
For i = 1 To Num_Children
CHwnd = GetCommandLineWindows(Children(i))
If CHwnd <> 0 Then GetCommandLineWindows = CHwnd
Next i
End Function
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