Winform 元件
1 using System;
2 using System.ComponentModel;
3 using System.Collections.Generic;
4 using System.Diagnostics;
5
6 using System.Windows.Forms;
7 using System.Drawing;
8
9 namespace UserControl
10 {
11 public partial class TextBoxAlert :TextBox
12 {
13 //定义参数
14 private bool bAlert = false;
15 private ShowDataGridView showDataGridView;
16 private Form parentForm;
17 private Point pLocation;
18
19 private int _dgvX, _dgvY;
20
21
22 /// <summary>
23 /// 是否弹出对话框
24 /// </summary>
25 [DefaultValue(true),Description("是否弹出对话框")]
26 public bool BAlert
27 {
28 get { return bAlert; }
29 set { bAlert = value; }
30 }
31
32
33
34
35
36 public TextBoxAlert()
37 {
38 this.MaxLength = 30;
39
40 this.GotFocus+=new EventHandler(TextBoxAlert_GotFocus);
41 this.KeyPress += new KeyPressEventHandler(TextBoxAlert_KeyPress);
42 }
43
44 private void TextBoxAlert_KeyPress(object sender, KeyPressEventArgs e)
45 {
46 SendKeys.Send("{TAB}");
47 showDataGridView.Focus();
48 if (showDataGridView.SelectedRows.Count == 0)
49 {
50 showDataGridView.Rows[0].Selected = true;
51 }
52 }
53
54 /// <summary>
55 /// 获得焦点
56 /// </summary>
57 /// <param name="sender"></param>
58 /// <param name="e"></param>
59 private void TextBoxAlert_GotFocus(object sender, EventArgs e)
60 {
61
62 if (showDataGridView == null)
63 {
64 showDataGridView = new ShowDataGridView();
65 this.FindForm().Controls.Add(showDataGridView);
66 }
67
68 if (showDataGridView.Visible == false)
69 {
70 showDataGridView.Visible = true;
71 }
72
73 int x, y;
74
75 x = this.Location.X;
76 y = this.Location.Y + this.Height + 1;
77
78 //若還沒設置DataGridView 出現的位置
79 pLocation = new Point(x, y);
80 showDataGridView.BringToFront();
81 //設置兩者的連接
82 showDataGridView.TextEmpID = this.Name;
83 showDataGridView.Location = pLocation;
84
85 //设置DataGridView获得焦点
86 showDataGridView.Focus();
87 if(showDataGridView.SelectedRows.Count==0)
88 showDataGridView.Rows[0].Selected = true;
89 }
90
91 }
92 }
93
2 using System.ComponentModel;
3 using System.Collections.Generic;
4 using System.Diagnostics;
5
6 using System.Windows.Forms;
7 using System.Drawing;
8
9 namespace UserControl
10 {
11 public partial class TextBoxAlert :TextBox
12 {
13 //定义参数
14 private bool bAlert = false;
15 private ShowDataGridView showDataGridView;
16 private Form parentForm;
17 private Point pLocation;
18
19 private int _dgvX, _dgvY;
20
21
22 /// <summary>
23 /// 是否弹出对话框
24 /// </summary>
25 [DefaultValue(true),Description("是否弹出对话框")]
26 public bool BAlert
27 {
28 get { return bAlert; }
29 set { bAlert = value; }
30 }
31
32
33
34
35
36 public TextBoxAlert()
37 {
38 this.MaxLength = 30;
39
40 this.GotFocus+=new EventHandler(TextBoxAlert_GotFocus);
41 this.KeyPress += new KeyPressEventHandler(TextBoxAlert_KeyPress);
42 }
43
44 private void TextBoxAlert_KeyPress(object sender, KeyPressEventArgs e)
45 {
46 SendKeys.Send("{TAB}");
47 showDataGridView.Focus();
48 if (showDataGridView.SelectedRows.Count == 0)
49 {
50 showDataGridView.Rows[0].Selected = true;
51 }
52 }
53
54 /// <summary>
55 /// 获得焦点
56 /// </summary>
57 /// <param name="sender"></param>
58 /// <param name="e"></param>
59 private void TextBoxAlert_GotFocus(object sender, EventArgs e)
60 {
61
62 if (showDataGridView == null)
63 {
64 showDataGridView = new ShowDataGridView();
65 this.FindForm().Controls.Add(showDataGridView);
66 }
67
68 if (showDataGridView.Visible == false)
69 {
70 showDataGridView.Visible = true;
71 }
72
73 int x, y;
74
75 x = this.Location.X;
76 y = this.Location.Y + this.Height + 1;
77
78 //若還沒設置DataGridView 出現的位置
79 pLocation = new Point(x, y);
80 showDataGridView.BringToFront();
81 //設置兩者的連接
82 showDataGridView.TextEmpID = this.Name;
83 showDataGridView.Location = pLocation;
84
85 //设置DataGridView获得焦点
86 showDataGridView.Focus();
87 if(showDataGridView.SelectedRows.Count==0)
88 showDataGridView.Rows[0].Selected = true;
89 }
90
91 }
92 }
93
代码
using System;
using System.ComponentModel;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Windows.Forms;
using System.Data;
namespace UserControl
{
public partial class ShowDataGridView :DataGridView
{
#region Fields
private TextBoxAlert TextBoxAlert; //文本框
private Form parentForm;
private string sTextBoxAlert;
#endregion
[Description("設定收銀員文字對話框的控制項的Name屬性"),Browsable(true)]
public string TextEmpID
{
get { return this.sTextBoxAlert; }
set {
if (string.IsNullOrEmpty(value) == false)
{
this.sTextBoxAlert = value;
SetTextBoxReference();
}
}
}
private void SetTextBoxReference()
{
if (parentForm == null)
{
parentForm = this.FindForm();
}
this.FindControl(parentForm, this.sTextBoxAlert);
TextBoxAlert.TextChanged +=new EventHandler(TextBoxAlert_TextChanged);
if (this.SelectedRows.Count == 1)
{
this.SelectedRows[0].Selected = false;
}
}
/// <summary>
/// 找出此按鈕對應的文字方框控制項
/// </summary>
/// <param name="parentControl">上層控制項</param>
/// <param name="controlName">要找到的目標控制項Name屬性</param>
private void FindControl(Control parentControl, string controlName)
{
if (parentControl == null)
{
return;
}
//找到表單所屬的文字方塊
foreach (Control c in parentControl.Controls)
{
if (c.Name == controlName)
{
this.TextBoxAlert = c as TextBoxAlert;
break;
}
//判讀是否有子控制項，如有則循環呼叫
if (c.HasChildren)
FindControl(c,controlName);
}
}
private void TextBoxAlert_TextChanged(object sender,EventArgs e)
{
}
public ShowDataGridView()
{
SetProperties();
AddColumns();
BindData();
//添加雙擊事件
this.CellDoubleClick += new DataGridViewCellEventHandler(ShowDataGridView_CellDoubleClick);
//添加事件
this.CellClick += new DataGridViewCellEventHandler(ShowDataGridView_CellClick);
//添加失去焦點後，隱藏控制項目
this.LostFocus += new EventHandler(ShowDataGridView_LostFocus);
}
/// <summary>
/// 單據數據
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
{
}
private void ShowDataGridView_LostFocus(object sender, EventArgs e)
{
this.Visible = false;
//MessageBox.Show("已經失去焦點");
}
/// <summary>
/// 添加雙擊事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
//判斷有沒有選取資料
if (e.RowIndex > -1 && this.SelectedRows.Count > 0)
{
GetBackMsg();
}
else
{
MessageBox.Show("沒有選取得資料");
}
}
/// <summary>
/// 綁定數據
/// </summary>
private void BindData()
{
DataTable dtEmpName = new DataTable();
DataColumn cEmpName = new DataColumn("empName",typeof(string));
dtEmpName.Columns.Add(cEmpName);
DataRow dr = dtEmpName.NewRow();
dr["empName"] = "小明";
dtEmpName.Rows.Add(dr);
DataRow dr2 = dtEmpName.NewRow();
dr2["empName"] = "文強";
dtEmpName.Rows.Add(dr2);
DataView dvEmpName = dtEmpName.DefaultView;
this.DataSource = dvEmpName;
}
/// <summary>
/// 添加基本欄位
/// </summary>
private void AddColumns()
{
DataGridViewTextBoxColumn txtEmpName = new DataGridViewTextBoxColumn();
txtEmpName.HeaderText = "姓名";
txtEmpName.DataPropertyName = "empName";
txtEmpName.Width = 115;
this.Columns.AddRange(txtEmpName);
}
/// <summary>
/// 設置自身屬性
/// </summary>
private void SetProperties()
{
this.Name = Guid.NewGuid().ToString();
this.ReadOnly = true;
this.AutoGenerateColumns = false;
this.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
this.AllowUserToResizeRows = false;
this.AllowUserToResizeColumns = false;
this.AllowUserToDeleteRows = false;
this.AllowUserToAddRows = false;
this.Width = 230;
this.Height = 160;
this.MultiSelect = true;
this.KeyDown += new KeyEventHandler(ShowDataGridView_KeyDown);
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.Enter)
{
//判斷是否已經選擇了數據
if (this.SelectedRows.Count > 0)
{
GetBackMsg();
}
}
else if (e.KeyData == Keys.Escape)
{
if (TextBoxAlert != null)
{
//若有選擇的資料改為不選取狀態
if (this.SelectedRows.Count > 0)
{
this.SelectedRows[0].Selected = false;
}
TextBoxAlert.Focus();
TextBoxAlert.SelectionStart = TextBoxAlert.Text.Length;
}
}
}
/// <summary>
/// 帶回選擇的信息
/// </summary>
private void GetBackMsg()
{
TextBoxAlert.Text = this.SelectedRows[0].Cells[0].Value.ToString();
TextBoxAlert.Focus();
TextBoxAlert.SelectionStart = TextBoxAlert.Text.Length;
this.Visible = false;
}
}
}
using System.ComponentModel;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Windows.Forms;
using System.Data;
namespace UserControl
{
public partial class ShowDataGridView :DataGridView
{
#region Fields
private TextBoxAlert TextBoxAlert; //文本框
private Form parentForm;
private string sTextBoxAlert;
#endregion
[Description("設定收銀員文字對話框的控制項的Name屬性"),Browsable(true)]
public string TextEmpID
{
get { return this.sTextBoxAlert; }
set {
if (string.IsNullOrEmpty(value) == false)
{
this.sTextBoxAlert = value;
SetTextBoxReference();
}
}
}
private void SetTextBoxReference()
{
if (parentForm == null)
{
parentForm = this.FindForm();
}
this.FindControl(parentForm, this.sTextBoxAlert);
TextBoxAlert.TextChanged +=new EventHandler(TextBoxAlert_TextChanged);
if (this.SelectedRows.Count == 1)
{
this.SelectedRows[0].Selected = false;
}
}
/// <summary>
/// 找出此按鈕對應的文字方框控制項
/// </summary>
/// <param name="parentControl">上層控制項</param>
/// <param name="controlName">要找到的目標控制項Name屬性</param>
private void FindControl(Control parentControl, string controlName)
{
if (parentControl == null)
{
return;
}
//找到表單所屬的文字方塊
foreach (Control c in parentControl.Controls)
{
if (c.Name == controlName)
{
this.TextBoxAlert = c as TextBoxAlert;
break;
}
//判讀是否有子控制項，如有則循環呼叫
if (c.HasChildren)
FindControl(c,controlName);
}
}
private void TextBoxAlert_TextChanged(object sender,EventArgs e)
{
}
public ShowDataGridView()
{
SetProperties();
AddColumns();
BindData();
//添加雙擊事件
this.CellDoubleClick += new DataGridViewCellEventHandler(ShowDataGridView_CellDoubleClick);
//添加事件
this.CellClick += new DataGridViewCellEventHandler(ShowDataGridView_CellClick);
//添加失去焦點後，隱藏控制項目
this.LostFocus += new EventHandler(ShowDataGridView_LostFocus);
}
/// <summary>
/// 單據數據
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
{
}
private void ShowDataGridView_LostFocus(object sender, EventArgs e)
{
this.Visible = false;
//MessageBox.Show("已經失去焦點");
}
/// <summary>
/// 添加雙擊事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
//判斷有沒有選取資料
if (e.RowIndex > -1 && this.SelectedRows.Count > 0)
{
GetBackMsg();
}
else
{
MessageBox.Show("沒有選取得資料");
}
}
/// <summary>
/// 綁定數據
/// </summary>
private void BindData()
{
DataTable dtEmpName = new DataTable();
DataColumn cEmpName = new DataColumn("empName",typeof(string));
dtEmpName.Columns.Add(cEmpName);
DataRow dr = dtEmpName.NewRow();
dr["empName"] = "小明";
dtEmpName.Rows.Add(dr);
DataRow dr2 = dtEmpName.NewRow();
dr2["empName"] = "文強";
dtEmpName.Rows.Add(dr2);
DataView dvEmpName = dtEmpName.DefaultView;
this.DataSource = dvEmpName;
}
/// <summary>
/// 添加基本欄位
/// </summary>
private void AddColumns()
{
DataGridViewTextBoxColumn txtEmpName = new DataGridViewTextBoxColumn();
txtEmpName.HeaderText = "姓名";
txtEmpName.DataPropertyName = "empName";
txtEmpName.Width = 115;
this.Columns.AddRange(txtEmpName);
}
/// <summary>
/// 設置自身屬性
/// </summary>
private void SetProperties()
{
this.Name = Guid.NewGuid().ToString();
this.ReadOnly = true;
this.AutoGenerateColumns = false;
this.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
this.AllowUserToResizeRows = false;
this.AllowUserToResizeColumns = false;
this.AllowUserToDeleteRows = false;
this.AllowUserToAddRows = false;
this.Width = 230;
this.Height = 160;
this.MultiSelect = true;
this.KeyDown += new KeyEventHandler(ShowDataGridView_KeyDown);
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowDataGridView_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.Enter)
{
//判斷是否已經選擇了數據
if (this.SelectedRows.Count > 0)
{
GetBackMsg();
}
}
else if (e.KeyData == Keys.Escape)
{
if (TextBoxAlert != null)
{
//若有選擇的資料改為不選取狀態
if (this.SelectedRows.Count > 0)
{
this.SelectedRows[0].Selected = false;
}
TextBoxAlert.Focus();
TextBoxAlert.SelectionStart = TextBoxAlert.Text.Length;
}
}
}
/// <summary>
/// 帶回選擇的信息
/// </summary>
private void GetBackMsg()
{
TextBoxAlert.Text = this.SelectedRows[0].Cells[0].Value.ToString();
TextBoxAlert.Focus();
TextBoxAlert.SelectionStart = TextBoxAlert.Text.Length;
this.Visible = false;
}
}
}
