基线 SVN r240

SVN-Revision: r240
2025-02-06 06:46:06 +00:00
commit ab56a9bcf7
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+using O2S.Components.PDFView4NET;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms;
+
+namespace Lskj.PubPdfSign.Controls
+{
+    public static class ControlExtensions
+    {
+        /// <summary>
+        /// 设置控件移动和调整大小
+        /// </summary>
+        public static void SetMove(this System.Windows.Forms.Control control)
+        {
+            //边框控件
+            ResizeControl fControl = null;
+            //上一个鼠标坐标
+            Point lastPoint = new Point();
+
+            #region 绑定事件
+
+            //鼠标键按下时
+            control.MouseDown += (sender, e) =>
+            {
+                //记录鼠标坐标
+                lastPoint = Cursor.Position;
+
+                SignBox signBox = (SignBox)control.Tag;
+                //清除所有控件的边框区域，最主要的是清除上次点击控件的边框，恢复原来状态
+                foreach (System.Windows.Forms.Control ctrl in control.Parent.Controls)
+                    if (ctrl is ResizeControl)
+                        ctrl.Visible = false;
+                if (fControl == null)
+                {
+                    fControl = new ResizeControl(control);
+                    signBox.ParentResizeControl = fControl;
+                }
+                //设置边框背景色为透明，可以设置其它颜色
+                fControl.BackColor = Color.Transparent;
+                //把边框控件添加到当前控件的父控件中
+                control.Parent.Controls.Add(fControl);
+                if (control.Parent != null && control.Parent is PDFPageView)
+                {
+                    if (control.Parent.Parent != null && control.Parent.Parent is PdfEditorEx)
+                    {
+                        (control.Parent.Parent as PdfEditorEx)._selectedSignBox = signBox;
+                    }
+                }
+            };
+
+            //鼠标单击时
+            control.MouseClick += (sender, e) =>
+            {
+                control.BringToFront();
+            };
+
+            //鼠标在控件上移动时
+            control.MouseMove += (sender, e) =>
+            {
+                Point currentPoint = new Point();
+                Cursor.Current = Cursors.SizeAll;
+                if (e.Button == MouseButtons.Left)
+                {
+                    currentPoint = Cursor.Position;
+                    control.Location = new Point(control.Location.X + currentPoint.X - lastPoint.X,
+                        control.Location.Y + currentPoint.Y - lastPoint.Y);
+
+                    //移动时刷新实线
+                    fControl.DrawSolids();
+                    control.BringToFront();
+                }
+
+                lastPoint = currentPoint;
+            };
+
+            //鼠标键释放时
+            control.MouseUp += (sender, e) =>
+            {
+                //设置控件区域
+                fControl.SetControlRegion();
+                System.Windows.Forms.Control pictureBox = (System.Windows.Forms.Control)sender;
+                if (pictureBox.Tag != null && pictureBox.Tag is SignBox)
+                {
+                    (pictureBox.Tag as SignBox).UpdateLocation();
+                }
+            };
+            #endregion
+        }
+    }
+}