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Visual C++

CppControls.cpp：源码内容
							// This is the main project file for VC++ application project 
// generated using an Application Wizard.
#include "stdafx.h"
#using <mscorlib.dll>
#using <System.dll>
#using <System.Drawing.dll>
#using <System.Windows.Forms.dll>
using namespace System;
using namespace System::Drawing;
using namespace System::ComponentModel;
using namespace System::Windows::Forms;
using namespace System::IO;
__gc class CppWindow : public Form
{
public:
    CppWindow()
    {
        Setup_TreeView();
        Setup_ListView();
        Setup_Splitter();
        Setup_ToolBar();
        Setup_StatusBar();
        
        // The order of the following three controls is vital to the proper
        // operation of the splitter bar.
        Controls->Add(listView1);
        Controls->Add(splitter1);
        Controls->Add(treeView1);
                
        Controls->Add(toolBar1);
        Controls->Add(statusBar1);
    }
private:
    TreeView* treeView1;
private:
    void TreeView_BeforeExpand(Object* pSender, TreeViewCancelEventArgs* pe)
    {
        // First zap the dummy node, assuming there is one
        if (pe->Node->Nodes->Count != 0)
            pe->Node->Nodes->RemoveAt(0);
        
        // Get a list of subdirectories
        String* dirs[];
        try
        { 
            dirs = Directory::GetDirectories(pe->Node->FullPath);
        }
        catch(System::Exception* pe)
        {
            MessageBox::Show(pe->Message, "Error");
            return;
        }
        // Add a child node for each one
        for(int i = 0; i < dirs->Count; i++)
        {
            String* dirName = dynamic_cast<String*>(dirs->get_Item(i));
            TreeNode* tn = new TreeNode(Path::GetFileName(dirName));
            pe->Node->Nodes->Add(tn);
            // Add a dummy child node
            tn->Nodes->Add(new TreeNode("<dummy>"));
        }
        // Fill the ListView with details of the current node
        Fill_ListView(pe->Node->FullPath);
    }
private:
    void Setup_TreeView()
    {
        // Create the control
        treeView1 = new TreeView();
        treeView1->Dock = DockStyle::Left;
        treeView1->Size = System::Drawing::Size(121, 273);
        // Set up the ImageList
        ImageList* il = new ImageList();
        il->Images->Add(new Bitmap("CLSDFOLD.ICO"));
        il->Images->Add(new Bitmap("OPENFOLD.ICO"));
        treeView1->ImageList = il;
        treeView1->ImageIndex = 0;
        treeView1->SelectedImageIndex = 1;
        // Add an event handler for BeforeExpand events
        treeView1->BeforeExpand += new TreeViewCancelEventHandler(
            this, &CppWindow::TreeView_BeforeExpand);
        // Add the same handler for BeforeSelect events
        treeView1->BeforeSelect += new TreeViewCancelEventHandler(
            this, &CppWindow::TreeView_BeforeExpand);
                
        // Get the logical drives
        String* drives[] = Directory::GetLogicalDrives();
        for(int i = 0; i < drives->Count; i++)
        {
            String* name = dynamic_cast<String*>(drives->get_Item(i));
            TreeNode* tn = new TreeNode(name);
            treeView1->Nodes->Add(tn);
            tn->Nodes->Add(new TreeNode("<dummy>"));
        }
    }
private:
    ListView* listView1;
private:
    void Setup_ListView()
    {
        // Create the ListView and set its properties
        listView1 = new ListView();
        listView1->Dock = DockStyle::Fill;
        listView1->Location = Point(124, 0);
        listView1->Size = System::Drawing::Size(168, 273);
        // Set to use Details view
        listView1->View = View::Details;
        // Set up the columns for use with Details view
        ColumnHeader* col1 = new ColumnHeader();
        col1->Text = S"Type";
        col1->Width = 40;
        ColumnHeader* col2 = new ColumnHeader();
        col2->Text = S"Name";
        col2->Width = 85;
        ColumnHeader* col3 = new ColumnHeader();
        col3->Text = S"Size";
        col3->Width = 65;
        listView1->Columns->Add(col1);
        listView1->Columns->Add(col2);
        listView1->Columns->Add(col3);
    }
private:
    void Fill_ListView(String* path)
    {
        // Put the path in the status bar
        statusBarPanel1->Text = path;
        // Clear everything from the ListView
        listView1->Items->Clear();
        // Start with the directories
        String* dirs[];
        try
        {
            dirs = Directory::GetDirectories(path);
        }
        catch(System::Exception* pe)
        {
            MessageBox::Show(pe->Message, "Error");
            return;
        }
        // Create new ListViewItem objects to represent the directories
        for(int i=0; i<dirs->Count; i++)
        {
            String* pathName = dynamic_cast<String*>(dirs->get_Item(i));
            String* dirName = Path::GetFileName(pathName);
            // Create an array of String* to hold the subitems
            String* subItems[] = new String*[3];
            subItems[0]= S"Dir";
            subItems[1] = dirName;
            subItems[2] = S" ";
            // Create the ListViewItems from the subitems
            ListViewItem* itm = new ListViewItem(subItems);
            // Add the ListViewItem to the ListView
            listView1->Items->Add(itm);
        }
        // Now follow with the files
        String* files[];
        try
        {
            files = Directory::GetFiles(path);
        }
        catch(System::Exception* pe)
        {
            MessageBox::Show(pe->Message, "Error");
            return;
        }
        // Create new ListViewItem objects to represent the files
        for(int i=0; i<files->Count; i++)
        {
            String* pathName = dynamic_cast<String*>(files->get_Item(i));
            String* dirName = Path::GetFileName(pathName);
            // Create an array of String* to hold the subitems
            String* subItems[] = new String*[3];
            subItems[0]= S"File";
            subItems[1] = dirName;
            // Find the file size
            FileInfo* f = new FileInfo(pathName);
            subItems[2] = __box(f->Length)->ToString();
            // Create the ListViewItems from the subitems
            ListViewItem* itm = new ListViewItem(subItems);
            // Add the ListViewItem to the ListView
            listView1->Items->Add(itm);
        }
    }
private:
    Splitter* splitter1;
private:
    void Setup_Splitter()
    {
        splitter1 = new Splitter();
        splitter1->Location = Point(121, 0);
        splitter1->Size = System::Drawing::Size(3, 273);
        
        // Don't include this control in the tab order
        splitter1->TabStop = false;
    }
private:
    ToolBar* toolBar1;
    ToolBarButton* button1;
    ToolBarButton* button2;
    ToolBarButton* button3;
private:
    void Setup_ToolBar()
    {
        toolBar1 = new ToolBar();
        toolBar1->ShowToolTips = true;
        // Set up the imagelist
        ImageList* il = new ImageList();
        il->Images->Add(new Bitmap("PROP.BMP"));
        il->Images->Add(new Bitmap("DELETE.BMP"));
        // Set the toolbar to use the imagelist
        toolBar1->ImageList = il;
        // Create the first button
        button1 = new ToolBarButton();
        button1->Style = ToolBarButtonStyle::DropDownButton;
        button1->ImageIndex = 0;
        button1->ToolTipText = "View";
        System::Windows::Forms::ContextMenu* cm = new System::Windows::Forms::ContextMenu();
        MenuItem* item1 = new MenuItem("Details");
        cm->MenuItems->Add(item1);
        button1->DropDownMenu = cm;
        // Create a separator button
        button2 = new ToolBarButton();
        button2->Style = ToolBarButtonStyle::Separator;
        // Create a regular pushbutton
        button3 = new ToolBarButton();
        // PushButton is the default style, so you don't need to set it
        button3->Style = ToolBarButtonStyle::PushButton;
        button3->ImageIndex = 1;
        button3->ToolTipText = "Exit";
        // Add buttons to the toolbar
        toolBar1->Buttons->Add(button1);
        toolBar1->Buttons->Add(button2);
        toolBar1->Buttons->Add(button3);
        // Set up the handler
        toolBar1->ButtonClick += new ToolBarButtonClickEventHandler(
            this, &CppWindow::ToolBar_Click);
    }
private:
    void ToolBar_Click(Object* pSender, ToolBarButtonClickEventArgs* pe)
    {
        if (pe->Button == button3)
        {
            Application::Exit();
        }
    }
private:
    StatusBar* statusBar1;
    StatusBarPanel* statusBarPanel1;
    StatusBarPanel* statusBarPanel2;
private:
    void Setup_StatusBar()
    {
        statusBar1 = new StatusBar();
        // Set the bar to use panels...
        statusBar1->ShowPanels = true;
        statusBarPanel1 = new StatusBarPanel();
        statusBarPanel1->Width = 200;
        statusBarPanel2 = new StatusBarPanel();
        statusBarPanel2->Width = 100;
        statusBar1->Panels->Add(statusBarPanel1);
        statusBar1->Panels->Add(statusBarPanel2);
    }
};
// This is the entry point for this application
#ifdef _UNICODE
int wmain(void)
#else
int main(void)
#endif
{
    Console::WriteLine(S"Controls Example");
    // Create a form.
    Application::Run(new CppWindow());
    return 0;
}

						