共用方式為


DeviceType Enumeration

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Specifies a device type.

Namespace:  Microsoft.WindowsMobile.DirectX.Direct3D
Assembly:  Microsoft.WindowsMobile.DirectX (in Microsoft.WindowsMobile.DirectX.dll)

Syntax

'Declaration
Public Enumeration DeviceType
'Usage
Dim instance As DeviceType
public enum DeviceType
public enum class DeviceType
type DeviceType

Members

Member name Description
Supported by the .NET Compact Framework Default The default device type.

Examples

The following example creates a device by using the DeviceType enumeration.


Public Class Form1
    Inherits Form
    ' Set global variables for this project.
    Private device As Device = Nothing
    Public Sub New()
        ' Set the initial size and caption of the form.
        Me.ClientSize = New System.Drawing.Size(400, 300)
        Me.Text = "D3D Tutorial 01: CreateDevice"

    End Sub 'New


    Public Function InitializeGraphics() As Boolean
        Try
            ' Set up presentation parameters and create the Direct3D
            ' device.
            Dim presentParams As New PresentParameters()
            presentParams.Windowed = True
            presentParams.SwapEffect = SwapEffect.Discard
            device = New Device(0, DeviceType.Default, Me, CreateFlags.None, presentParams)
            Return True
        Catch
            Return False
        End Try

    End Function
    Private Sub Render()
        If device Is Nothing Then
            Return
        End If
        'Clear the backbuffer to a blue color. 
        device.Clear(ClearFlags.Target, System.Drawing.Color.Blue, 1.0F, 0)
        'Begin the scene.
        device.BeginScene()

        'Render scene objects, if desired.
        'End the scene.
        device.EndScene()
        device.Present()

    End Sub
    Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
        ' Render on painting.
        Me.Render()
    End Sub

    Protected Overrides Sub OnKeyPress(ByVal e As System.Windows.Forms.KeyPressEventArgs)
        If Fix(System.Convert.ToByte(e.KeyChar)) = Fix(System.Windows.Forms.Keys.Escape) Then
            ' Handle the ESC key being pressed.
            Me.Close()
        End If

    End Sub

    Shared Sub Main()

        Dim DeviceForm As New Form1()
        Try
            If Not DeviceForm.InitializeGraphics() Then
                ' Initialize Direct3D.
                MsgBox("Could not initialize Direct3D.  This tutorial will exit.")
                Return
            End If
            DeviceForm.Show()

            'While the form is still valid, render and process messages.
            'While DeviceForm.Created
            '    DeviceForm.Render()
            '    Application.DoEvents()
            'End While
        Finally
            DeviceForm.Dispose()
        End Try

    End Sub
End Class
public class CreateDevice : Form
{
    // Set global variables for this project.
    Device device = null;

    public CreateDevice()
    {
        // Set the initial size of the form.
        this.ClientSize = new System.Drawing.Size(400, 300);
        // Set the caption for the form.
        this.Text = "D3D Tutorial 01: CreateDevice";
    }

    public bool InitializeGraphics()
    {
        try
        {
            // Set up presentation parameters and create the 
            // Direct3D device.
            PresentParameters presentParams = new PresentParameters();
            presentParams.Windowed = true;
            presentParams.SwapEffect = SwapEffect.Discard;
            device = new Device(0, DeviceType.Default, this, CreateFlags.None, presentParams);
            return true;
        }
        catch (DirectXException)
        {
            return false;
        }
    }
    private void Render()
    {
        if (device == null)
            return;

        //Clear the backbuffer to a blue color. 
        device.Clear(ClearFlags.Target, System.Drawing.Color.Blue, 1.0f, 0);
        //Begin the scene.
        device.BeginScene();

        // Rendering scene objects, if desired.

        //End the scene.
        device.EndScene();
        device.Present();
    }
    protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
    {
        // Render on painting.
        this.Render();
    }
    protected override void OnKeyPress(System.Windows.Forms.KeyPressEventArgs e)
    {
        if ((int)(byte)e.KeyChar == (int)System.Windows.Forms.Keys.Escape)
            // Handle the ESC key being pressed.
            this.Close();
    }

    /// <Summary>
    /// The main entry point for the application.
    /// </Summary>
    static void Main()
    {

        using (CreateDevice DeviceForm = new CreateDevice())
        {
            // Initialize Direct3D.
            if (!DeviceForm.InitializeGraphics())
            {
                MessageBox.Show("Could not initialize Direct3D.  This tutorial will exit.");
                return;
            }
            DeviceForm.Show();

            // While the form is still valid, render and process messages.
            // while (DeviceForm.Created)
            //{
                DeviceForm.Render();
                Application.DoEvents();
            //}
        }
    }
}

Platforms

Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Compact Framework

Supported in: 3.5, 2.0

See Also

Reference

Microsoft.WindowsMobile.DirectX.Direct3D Namespace

Other Resources

Mobile Direct3D Programming in the .NET Compact Framework