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