ImageAnimator.Animate メソッド
アセンブリ: System.Drawing (system.drawing.dll 内)

Dim image As Image Dim onFrameChangedHandler As EventHandler ImageAnimator.Animate(image, onFrameChangedHandler)
戻り値
このメソッドは値を返しません。

この Windows フォーム アプリケーションは、アニメーション イメージが画面にどのように描画されるかを示します。このイメージは、アプリケーションと同じフォルダに保存されているアニメーション GIF ファイルの SampleAnimation.gif から作成されます。
Imports System Imports System.Drawing Imports System.Windows.Forms Public Class animateImage Inherits Form 'Create a Bitmpap Object. Private animatedImage As New Bitmap("SampleAnimation.gif") Private currentlyAnimating As Boolean = False 'This method begins the animation. Public Sub AnimateImage() If Not currentlyAnimating Then 'Begin the animation only once. ImageAnimator.Animate(animatedImage, _ New EventHandler(AddressOf Me.OnFrameChanged)) currentlyAnimating = True End If End Sub Private Sub OnFrameChanged(ByVal o As Object, ByVal e As EventArgs) 'Force a call to the Paint event handler. Me.Invalidate() End Sub Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) 'Begin the animation. AnimateImage() 'Get the next frame ready for rendering. ImageAnimator.UpdateFrames() 'Draw the next frame in the animation. e.Graphics.DrawImage(Me.animatedImage, New Point(0, 0)) End Sub Public Shared Sub Main() Application.Run(New AnimateImage) End Sub End Class
using System; using System.Drawing; using System.Windows.Forms; public class animateImage : Form { //Create a Bitmpap Object. Bitmap animatedImage = new Bitmap("SampleAnimation.gif"); bool currentlyAnimating = false; //This method begins the animation. public void AnimateImage() { if (!currentlyAnimating) { //Begin the animation only once. ImageAnimator.Animate(animatedImage, new EventHandler(this.OnFrameChanged)); currentlyAnimating = true; } } private void OnFrameChanged(object o, EventArgs e) { //Force a call to the Paint event handler. this.Invalidate(); } protected override void OnPaint(PaintEventArgs e) { //Begin the animation. AnimateImage(); //Get the next frame ready for rendering. ImageAnimator.UpdateFrames(); //Draw the next frame in the animation. e.Graphics.DrawImage(this.animatedImage, new Point(0, 0)); } public static void Main() { Application.Run(new animateImage()); } }
#using <System.dll> #using <System.Drawing.dll> #using <System.Windows.Forms.dll> using namespace System; using namespace System::Drawing; using namespace System::Windows::Forms; public ref class AnimateImageForm : public Form { // Create a Bitmap Object. private: Bitmap^ animatedImage; private: bool currentlyAnimating; public: AnimateImageForm() { try { animatedImage = gcnew Bitmap("SampleAnimation.gif"); } catch (ArgumentException^) { MessageBox::Show("Could not read the image file " + "\"SampleAnimation.gif\",\n" + "or it is not a valid image file."); } } // This method begins the animation. public: void AnimateImage() { // Begin the animation only once. // Make sure to animate only if animatedImage was // successfully initialised. if (!currentlyAnimating && animatedImage != nullptr) { ImageAnimator::Animate(animatedImage, gcnew EventHandler(this, &AnimateImageForm::OnFrameChanged)); currentlyAnimating = true; } } private: void OnFrameChanged(Object^ , EventArgs^ ) { // Force a call to the Paint event handler. this->Invalidate(); } protected: virtual void OnPaint(PaintEventArgs^ e) override { // Begin the animation. AnimateImage(); // Get the next frame ready for rendering. ImageAnimator::UpdateFrames(); if (animatedImage != nullptr) { // Draw the next frame in the animation. e->Graphics->DrawImage(this->animatedImage , Point(0, 0)); } } }; [STAThread] int main() { Application::Run(gcnew AnimateImageForm()); }

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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