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Excel VBA 窗体之添加窗体图标 实现代码
Excel函数
2021-11-17 14:20:37
VBA的窗体其实就是一个Dialog(对话框窗体)，缺少完整窗体的许多元素，窗体标题栏上的图标就是其中之一，有时我们自己需要美化一下它，使用代码来为它添加窗体图标(如图)。
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操作如下：
◾在Excel的VBE窗口中插入一个用户窗体，将其命名为frmIcon。然后再添加一个模块。在窗体和模块中添加后面所列代码。
◾在工作薄中的任意工作表中添加一窗体按钮控件，将指定其设置宏为btnShowfrmIcon_Click。其供示范之用。
具体代码：
"mdIcon"模块代码
Sub btnShowfrmIcon_Click()
frmIcon.Show
End Sub
"frmIcon" 窗体代码
Option Explicit
'以下声明API函数
#If Win64 Then '64位
'查找窗口
Private Declare PtrSafe Function FindWindow _
Lib "user32" _
Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String) _
As LongPtr
'视情况向窗体发送不同的消息
Private Declare PtrSafe Function SendMessage _
Lib "user32" _
Alias "SendMessageA" ( _
ByVal hwnd As LongPtr, _
ByVal wMsg As Long, _
ByVal wParam As LongPtr, _
lParam As Any) _
As LongPtr
'重绘窗体菜单栏
Private Declare PtrSafe Function DrawMenuBar _
Lib "user32" ( _
ByVal hwnd As LongPtr) _
As Long
'从文件等中提取图标
Private Declare PtrSafe Function ExtractIcon _
Lib "shell32.dll" _
Alias "ExtractIconA" ( _
ByVal hInst As LongPtr, _
ByVal lpszExeFileName As String, _
ByVal nIconIndex As Long) _
As LongPtr
#Else
'查找窗口
Private Declare Function FindWindow _
Lib "User32" _
Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String) _
As Long
'视情况向窗体发送不同的消息
Private Declare Function SendMessage _
Lib "User32" _
Alias "SendMessageA" ( _
ByVal Hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Integer, _
ByVal lParam As Long) _
As Long
'重绘窗体菜单栏
Private Declare Function DrawMenuBar _
Lib "User32" ( _
ByVal Hwnd As Long) _
As Long
'从文件等中提取图标
Private Declare Function ExtractIcon _
Lib "shell32.dll" _
Alias "ExtractIconA" ( _
ByVal hInst As Long, _
ByVal lpszExeFileName As String, _
ByVal nIconIndex As Long) _
As Long
#End If
#If Win64 Then '64位
Private FHwnd As LongPtr
Private FHIcon As LongPtr
#Else
Private FHwnd As Long
Private FHIcon As Long
#End If
'以下声明常数
Private Const WM_SETICON = &H80
'********************************
'------------主程序--------------
'********************************
Private Sub UserForm_Initialize()
'取得本窗体句柄
FHwnd = FindWindow("ThunderDFrame", Me.Caption)
'从Excel 中提取图标
FHIcon = ExtractIcon(0, Application.Path & "\EXCEL.EXE", 0)
'向窗体发送消息
SendMessage FHwnd, WM_SETICON, False, FHIcon
'重绘窗体标题栏
DrawMenuBar FHwnd
End Sub
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