using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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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.Threading.Tasks;
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using System.Windows.Forms;
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namespace WPFProject.Controls
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{
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public partial class MaskControl : Panel
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{
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public MaskControl()
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{
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SetStyle(ControlStyles.Opaque, true);//设置背景透明
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SetStyle(ControlStyles.SupportsTransparentBackColor, true);//设置背景透明
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base.CreateControl();
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this.BackColor = Color.White;
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this.Visible = false;
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}
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//protected override CreateParams CreateParams
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//{
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// get
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// {
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// CreateParams cp = base.CreateParams;
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// cp.ExStyle |= 0x00000020; // 开启 WS_EX_TRANSPARENT,使控件支持透明
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// return cp;
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// }
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//}
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protected override void OnPaint(PaintEventArgs pe)
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{
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Pen labelBorderPen;
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SolidBrush labelBackColorBrush;
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Color cl = Color.FromArgb(128, this.BackColor);
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labelBorderPen = new Pen(cl, 0);
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labelBackColorBrush = new SolidBrush(cl);
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base.OnPaint(pe);
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pe.Graphics.DrawRectangle(labelBorderPen, 0, 0, this.Width, this.Height);
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pe.Graphics.FillRectangle(labelBackColorBrush, 0, 0, this.Width, this.Height);
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}
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/// <summary>
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/// 显示加载
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/// </summary>
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public void ShowLoad(Point location, Size size)
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{
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this.Location = location;
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this.Size = size;
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this.BringToFront();
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this.Dock = DockStyle.Fill;
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this.Visible = true;
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}
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/// <summary>
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/// 隐藏加载
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/// </summary>
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public void HideLoad()
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{
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this.Visible = false;
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}
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}
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}
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