C++，wxWidgets实现3个按钮，每个按钮点击wxbitmap按钮，更换按钮图标，并且互斥，完整显示示例

好的，这是一个基于wxWidgets的C++程序，实现了3个按钮，点击每个按钮后会更换按钮图标，实现互斥，完整显示示例如下：

#include <wx/wx.h>

class MyFrame : public wxFrame {
public:
    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);

private:
    void OnButton1(wxCommandEvent& event);
    void OnButton2(wxCommandEvent& event);
    void OnButton3(wxCommandEvent& event);

    wxBitmapButton* m_button1;
    wxBitmapButton* m_button2;
    wxBitmapButton* m_button3;

    wxBitmap m_bitmap1;
    wxBitmap m_bitmap2;
    wxBitmap m_bitmap3;

    wxDECLARE_EVENT_TABLE();
};

wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_BUTTON(wxID_ANY, MyFrame::OnButton1)
    EVT_BUTTON(wxID_ANY, MyFrame::OnButton2)
    EVT_BUTTON(wxID_ANY, MyFrame::OnButton3)
wxEND_EVENT_TABLE()

MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
    : wxFrame(NULL, wxID_ANY, title, pos, size)
{
    // Load bitmaps
    m_bitmap1.LoadFile(wxT("button1.bmp"), wxBITMAP_TYPE_BMP);
    m_bitmap2.LoadFile(wxT("button2.bmp"), wxBITMAP_TYPE_BMP);
    m_bitmap3.LoadFile(wxT("button3.bmp"), wxBITMAP_TYPE_BMP);

    // Create buttons
    m_button1 = new wxBitmapButton(this, wxID_ANY, m_bitmap1, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW);
    m_button2 = new wxBitmapButton(this, wxID_ANY, m_bitmap2, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW);
    m_button3 = new wxBitmapButton(this, wxID_ANY, m_bitmap3, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW);

    // Set initial state
    m_button1->SetBackgroundColour(wxColour(255, 0, 0));
    m_button2->SetBackgroundColour(wxColour(0, 255, 0));
    m_button3->SetBackgroundColour(wxColour(0, 0, 255));

    // Create sizers
    wxBoxSizer* sizer1 = new wxBoxSizer(wxHORIZONTAL);
    sizer1->Add(m_button1, 1, wxEXPAND | wxALL, 5);
    sizer1->Add(m_button2, 1, wxEXPAND | wxALL, 5);
    sizer1->Add(m_button3, 1, wxEXPAND | wxALL, 5);

    wxBoxSizer* sizer2 = new wxBoxSizer(wxVERTICAL);
    sizer2->Add(sizer1, 1, wxEXPAND | wxALL, 5);

    SetSizerAndFit(sizer2);
}

void MyFrame::OnButton1(wxCommandEvent& event)
{
    m_button1->SetBitmap(m_bitmap2);
    m_button2->SetBitmap(m_bitmap1);
    m_button3->SetBitmap(m_bitmap1);
}

void MyFrame::OnButton2(wxCommandEvent& event)
{
    m_button1->SetBitmap(m_bitmap1);
    m_button2->SetBitmap(m_bitmap3);
    m_button3->SetBitmap(m_bitmap1);
}

void MyFrame::OnButton3(wxCommandEvent& event)
{
    m_button1->SetBitmap(m_bitmap1);
    m_button2->SetBitmap(m_bitmap1);
    m_button3->SetBitmap(m_bitmap2);
}

class MyApp : public wxApp {
public:
    virtual bool OnInit();
};

bool MyApp::OnInit()
{
    MyFrame* frame = new MyFrame(wxT("Button Example"), wxDefaultPosition, wxSize(300, 200));
    frame->Show(true);
    return true;
}

wxIMPLEMENT_APP(MyApp);

程序中使用了`wxBitmapButton`控件来创建按钮，并且在按钮单击事件中使用`SetBitmap`方法来更换按钮图标。同时，使用颜色来区分不同的按钮，实现互斥效果。

程序中使用了3个位图文件作为按钮图标，分别命名为`button1.bmp`、`button2.bmp`、`button3.bmp`，需要放在程序同一目录下。

程序运行后，会创建一个窗口，其中包含3个按钮。点击每个按钮，会更换按钮图标，并且其他按钮的图标会恢复为原始状态。