private void handpcbx_DragDrop(object sender, DragEventArgs e)
{
Handpcbx pbx = sender as Handpcbx;
String lastboxType = lastbox.GetType().Name;
Card replacement;
if (lastboxType.Equals("Handpcbx"))
{
Handpcbx lastbox2 = lastbox as Handpcbx;
replacement = lastbox2.getCard();
lastbox2.setCard(pbx.getCard());
pbx.setCard(replacement);
lastbox2.updateImage();
pbx.updateImage();
}
else if (lastboxType.Equals("Stagepcbx"))
{
Stagepcbx lastbox2 = lastbox as Stagepcbx;
replacement = lastbox2.getCard();
lastbox2.setCard(pbx.getCard());
pbx.setCard(replacement);
lastbox2.updateImage();
pbx.updateImage();
}
else
{
throw new Exception("Not implemented");
}
}
private static void Animate(PictureBox box, bool enable)
{
var anim = box.GetType().GetMethod("Animate",
BindingFlags.NonPublic | BindingFlags.Instance, null, new Type[] { typeof(bool) }, null);
anim.Invoke(box, new object[] { enable });
}
// Create the event when clicking the late reservation panel...
private void OpenLateReservation(object sender, EventArgs e)
{
Panel pnl = new Panel();
Label lbl = new Label();
PictureBox picbox = new PictureBox();
int ReservId;
if (sender.GetType() == pnl.GetType())
{
Panel clicked = sender as Panel;
ReservId = Convert.ToInt32(clicked.Name);
StopReservation form = new StopReservation(this, User, ReservId);
form.ShowDialog();
}
if (sender.GetType() == lbl.GetType())
{
Label clicked = sender as Label;
ReservId = Convert.ToInt32(clicked.Name);
StopReservation form = new StopReservation(this, User, ReservId);
form.ShowDialog();
}
if (sender.GetType() == picbox.GetType())
{
PictureBox clicked = sender as PictureBox;
ReservId = Convert.ToInt32(clicked.Name);
StopReservation form = new StopReservation(this, User, ReservId);
form.ShowDialog();
}
}
private static bool IsAnimating(PictureBox box)
{
var fi = box.GetType().GetField("currentlyAnimating",
BindingFlags.NonPublic | BindingFlags.Instance);
return((bool)fi.GetValue(box));
}
/// <summary>
/// 启用控件的双缓冲支持
/// </summary>
/// <param name="pictureBox"></param>
public static void EnableDoubleBuffered(this PictureBox pictureBox)
{
pictureBox.GetType().GetProperty("DoubleBuffered",
System.Reflection.BindingFlags.Instance |
System.Reflection.BindingFlags.NonPublic)
.SetValue(pictureBox, true, null);
}
public PictureBoxTransform(PictureBox pb)
{
_pictureBox = pb;
// http://stackoverflow.com/questions/3307271/how-to-get-the-value-of-non-public-members-of-picturebox
_imgRectProperty = _pictureBox.GetType().GetProperty(
"ImageRectangle", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
}
private Rectangle GetPictureBoxZoomSize(PictureBox p_PictureBox)
{
if (p_PictureBox != null)
{
System.Reflection.PropertyInfo _ImageRectanglePropert = p_PictureBox.GetType().GetProperty("ImageRectangle", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
return((System.Drawing.Rectangle)_ImageRectanglePropert.GetValue(p_PictureBox, null));
}
return(new System.Drawing.Rectangle(0, 0, 0, 0));
}
public Rectangle GetPictureDisplaySize(PictureBox pbxImage)
{
if (pbxImage != null)
{
PropertyInfo ppiImageRect = pbxImage.GetType().GetProperty("ImageRectangle", BindingFlags.Instance | BindingFlags.NonPublic);
return((Rectangle)ppiImageRect.GetValue(pbxImage, null));
}
return(new Rectangle(0, 0, 1, 1));
}
/// <summary>
/// 获取PictureBox在Zoom下显示的位置和大小
/// https://blog.csdn.net/zgke/article/details/4372246
/// </summary>
/// <param name="p_PictureBox">Picture 如果没有图形或则非ZOOM模式 返回的是PictureBox的大小</param>
/// <returns>如果p_PictureBox为null 返回 Rectangle(0, 0, 0, 0)</returns>
private Rectangle GetPictureBoxZoomSize(PictureBox p_PictureBox)
{
if (p_PictureBox != null)
{
PropertyInfo _ImageRectanglePropert = p_PictureBox.GetType().GetProperty("ImageRectangle", BindingFlags.Instance | BindingFlags.NonPublic);
return((Rectangle)_ImageRectanglePropert.GetValue(p_PictureBox, null));
}
return(new Rectangle(0, 0, 0, 0));
}
private Rectangle getPictureBoxOffset(PictureBox pb)
{
// It seems the only way of correctly adjusting for the picturebox position after it has been resized is to access private data from the picturebox class
System.Reflection.PropertyInfo pInfo = pb.GetType().GetProperty("ImageRectangle",
System.Reflection.BindingFlags.Public |
System.Reflection.BindingFlags.NonPublic |
System.Reflection.BindingFlags.Instance);
return((Rectangle)pInfo.GetValue(pb, null));
}
//实现锚点缩放(以鼠标所指位置为中心缩放)；
//步骤：
//①先改picturebox长宽，长宽改变量一样；
//②获取缩放后picturebox中实际显示图像的长宽，这里长宽是不一样的；
//③将picturebox的长宽设置为显示图像的长宽；
//④补偿picturebox因缩放产生的位移，实现锚点缩放。
// 注释：为啥要②③步？由于zoom模式的机制，把picturebox背景设为黑就知道为啥了。
//这里需要获取zoom模式下picturebox所显示图像的大小信息，添加 using System.Reflection；
//pictureBox_MouseWheel事件没找到。。。手动添加，别忘在Form1.Designer.cs的“Windows 窗体设计器生成的代码”里加入：
//this.pictureBox.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.pictureBox_MouseWheel)。
private void pictureBox_MouseWheel(object sender, MouseEventArgs e)
{
PictureBox pictureBox = sender as PictureBox;
int x = e.Location.X;
int y = e.Location.Y;
int ow = pictureBox.Width;
int oh = pictureBox.Height;
int VX, VY; //因缩放产生的位移矢量
if (e.Delta > 0) //放大
{
//第①步
pictureBox.Width += zoomStep;
pictureBox.Height += zoomStep;
//第②步
PropertyInfo pInfo = pictureBox.GetType().GetProperty("ImageRectangle", BindingFlags.Instance |
BindingFlags.NonPublic);
Rectangle rect = (Rectangle)pInfo.GetValue(pictureBox, null);
//第③步
pictureBox.Width = rect.Width;
pictureBox.Height = rect.Height;
}
if (e.Delta < 0) //缩小
{
//防止一直缩成负值
if (pictureBox.Width < myBmp.Width)
{
return;
}
pictureBox.Width -= zoomStep;
pictureBox.Height -= zoomStep;
PropertyInfo pInfo = pictureBox.GetType().GetProperty("ImageRectangle", BindingFlags.Instance |
BindingFlags.NonPublic);
Rectangle rect = (Rectangle)pInfo.GetValue(pictureBox, null);
pictureBox.Width = rect.Width;
pictureBox.Height = rect.Height;
}
//第④步，求因缩放产生的位移，进行补偿，实现锚点缩放的效果
VX = (int)((double)x * (ow - pictureBox.Width) / ow);
VY = (int)((double)y * (oh - pictureBox.Height) / oh);
pictureBox.Location = new Point(pictureBox.Location.X + VX, pictureBox.Location.Y + VY);
}
private void GenerateCards()
{
YourScore.Show();
YourScore.Text = "Your Score: 0";
OpponentsScore.Show();
OpponentsScore.Text = "Opponent's Score: 0";
_opponentPic = new PictureBox
{
Name = "Opponent's Card",
Image = Resources.card_back_blue,
Location = new Point(Width - 125, 10),
Size = new Size(100, 114),
SizeMode = PictureBoxSizeMode.StretchImage
};
Controls.Add(_opponentPic);
Point nextLocation = new Point(10, 134);
for (int i = 0; i < 10; i++)
{
PictureBox currentPic = new PictureBox
{
Name = "picDynamic" + i,
Image = Resources.card_back_red,
Location = nextLocation,
Size = new Size(100, 114),
SizeMode = PictureBoxSizeMode.StretchImage
};
currentPic.Click += (sender, e) => {
if (!string.IsNullOrEmpty(_drawnCard))
{
return;
}
// Generate a random card
_drawnCard = RandomCard();
currentPic.Name = _drawnCard;
currentPic.Image = (Image)Resources.ResourceManager.GetObject(FileNameByCard(currentPic.Name));
_amountOfOpenedCards++;
// Send the Generated card
BeginSend("1" + currentPic.Name);
// Receive an answer
BeginRead();
// Remove click event handler
FieldInfo currentPicFieldInfo = typeof(Control).GetField("EventClick",
BindingFlags.Static | BindingFlags.NonPublic);
object obj = currentPicFieldInfo?.GetValue(currentPic);
PropertyInfo currentPicPropertyInfo = currentPic.GetType().GetProperty("Events",
BindingFlags.NonPublic | BindingFlags.Instance);
EventHandlerList list = (EventHandlerList)currentPicPropertyInfo?.GetValue(currentPic, null);
list?.RemoveHandler(obj, list[obj]);
};
Controls.Add(currentPic);
nextLocation.X += currentPic.Size.Width + 10;
MainButton.Text = "Forfiet";
}
}
private void RemovePaintEvent(PictureBox b)
{
FieldInfo f1 = typeof(Control).GetField("EventPaint",
BindingFlags.Static | BindingFlags.NonPublic);
object obj = f1.GetValue(b);
PropertyInfo pi = b.GetType().GetProperty("Events",
BindingFlags.NonPublic | BindingFlags.Instance);
EventHandlerList list = (EventHandlerList)pi.GetValue(b, null);
list.RemoveHandler(obj, list[obj]);
}
/// <summary>
/// 转换图像原始坐标在控件zoom情况下的位置
/// </summary>
/// <param name="point"></param>
Rectangle ConvertRect(PictureBox pictureBox, Rectangle originalRect)
{
if (pictureBox.Image == null)
{
return(new Rectangle(-1, -1, 0, 0));
}
int originalWidth = pictureBox.Image.Width;
int originalHeight = pictureBox.Image.Height;
PropertyInfo rectangleProperty = pictureBox.GetType().GetProperty("ImageRectangle", BindingFlags.Instance | BindingFlags.NonPublic);
Rectangle rectangle = (Rectangle)rectangleProperty.GetValue(pictureBox, null);
int currentWidth = rectangle.Width;
int currentHeight = rectangle.Height;
double rate = (double)currentHeight / (double)originalHeight;
int black_left_width = (currentWidth == pictureBox.Width) ? 0 : (pictureBox.Width - currentWidth) / 2;
int black_top_height = (currentHeight == pictureBox.Height) ? 0 : (pictureBox.Height - currentHeight) / 2;
//int zoom_x = point.X - black_left_width;
//int zoom_y = point.Y - black_top_height;
//double original_x = (double)zoom_x / rate;
//double original_y = (double)zoom_y / rate;
StringBuilder sb = new StringBuilder();
//sb.AppendFormat("原始尺寸{0}/{1}(宽/高)\r\n", originalWidth, originalHeight);
//sb.AppendFormat("缩放状态图片尺寸{0}/{1}(宽/高)\r\n", currentWidth, currentHeight);
//sb.AppendFormat("缩放比率{0}\r\n", rate);
//sb.AppendFormat("左留白宽度{0}\r\n", black_left_width);
//sb.AppendFormat("上留白高度{0}\r\n", black_top_height);
//sb.AppendFormat("当前鼠标坐标{0}/{1}(X/Y)\r\n", point.X, point.Y);
//sb.AppendFormat("缩放图中鼠标坐标{0}/{1}(X/Y)\r\n", zoom_x, zoom_y);
//sb.AppendFormat("原始图中鼠标坐标{0}/{1}(X/Y)\r\n", original_x, original_y);
int x = Convert.ToInt32(originalRect.X * rate) + black_left_width;
int y = Convert.ToInt32(originalRect.Y * rate) + black_top_height;
int w = Convert.ToInt32(originalRect.Width * rate);
int h = Convert.ToInt32(originalRect.Height * rate);
Rectangle retRect = new Rectangle(x, y, w, h);
return(retRect);
//this.label1.Text = sb.ToString();
}
void picBox_MouseMove(object sender, MouseEventArgs e)
{
if ((DateTime.Now - dt).TotalMilliseconds < 5 || picBox.Image == null)
{
return;
}
dt = DateTime.Now;
Point p = e.Location;
Point screenPoint = picBox.PointToScreen(p);
Point loc = new Point(screenPoint.X - formMagnifier.Width / 2, screenPoint.Y - formMagnifier.Height / 2);
formMagnifier.Location = loc;
PropertyInfo _ImageRectanglePropert = picBox.GetType().GetProperty("ImageRectangle", BindingFlags.Instance | BindingFlags.NonPublic);
Rectangle _Rectangle = (Rectangle)_ImageRectanglePropert.GetValue(picBox, null);
float wR = (float)picBox.Image.Width / (float)_Rectangle.Width;
bitmap = new Bitmap((int)(100 * wR), (int)(100 * wR));
float l = 0, t = 0;
if (_Rectangle.Left > 0)
{
l = (p.X - _Rectangle.Left - 50) * wR;
t = (p.Y - 50) * wR;
}
if (_Rectangle.Top > 0)
{
l = (p.X - 50) * wR;
t = (p.Y - _Rectangle.Top - 50) * wR;
}
using (Graphics g = Graphics.FromImage(bitmap))
{
g.DrawImage(picBox.Image, new RectangleF(0, 0, 100 * wR, 100 * wR), new RectangleF(l, t, 100 * wR, 100 * wR), GraphicsUnit.Pixel);
g.DrawImage(mImageMagnifier, 0, 0, bitmap.Width, bitmap.Height);
}
picShow.Image = bitmap;
}
protected virtual Control CreateImage(PropertyDescriptor property)
{
Control control;
if (this.DataEntryControl.Site == null)
{
PictureBox pictureBox = new PictureBox();
EditorInitializingEventArgs e = new EditorInitializingEventArgs(property, (Control)pictureBox, pictureBox.GetType());
this.OnEditorInitializing((object)this, e);
if (e.Cancel)
{
return((Control)null);
}
control = e.Editor;
this.OnEditorInitialized((object)this, new EditorInitializedEventArgs(property, (Control)pictureBox, pictureBox.GetType()));
}
else
{
Control component = (Control)(this.designerHost.CreateComponent(typeof(PictureBox)) as PictureBox);
EditorInitializingEventArgs e = new EditorInitializingEventArgs(property, component, component.GetType());
this.OnEditorInitializing((object)this, e);
if (e.Cancel)
{
return((Control)null);
}
control = !object.ReferenceEquals((object)e.Editor, (object)component) ? this.designerHost.CreateComponent(e.EditorType) as Control : e.Editor;
this.OnEditorInitialized((object)this, new EditorInitializedEventArgs(property, control, control.GetType()));
}
Binding binding = this.CreateBinding(control, "Image", property.Name);
if (binding != null)
{
control.DataBindings.Add(binding);
}
return(control);
}
public static void SetDoubleBuffered(this PictureBox listView, bool value)
{
listView.GetType()
.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic)
.SetValue(listView, value);
}
