参数无效。 StackTrace:位于
的System.Drawing.Image.get_FrameDimensionsList() System.Drawing.ImageAnimator.CanAnimate(Image image) at
System.Drawing.ImageAnimator.ImageInfo..ctor(Image image) at
System.Drawing.ImageAnimator.Animate(Image image, EventHandler onFrameChangedHandler) at
System.Windows.Forms.PictureBox.Animate(Boolean animate) at
System.Windows.Forms.PictureBox.Animate() at
System.Windows.Forms.PictureBox.OnVisibleChanged(EventArgs e) at
System.Windows.Forms.Control.OnParentVisibleChanged(EventArgs e) at
System.Windows.Forms.Control.OnVisibleChanged(EventArgs e) at
System.Windows.Forms.ScrollableControl.OnVisibleChanged(EventArgs e) at
System.Windows.Forms.Form.OnVisibleChanged(EventArgs e) at
System.Windows.Forms.Control.SetVisibleCore(Boolean value) at
System.Windows.Forms.Form.SetVisibleCore(Boolean value) at
System.Windows.Forms.Control.Show()
源错误消息:参数无效。