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ityurner02@mail.ru
parent
a292f7107d
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96c441c7aa
26
COP/VisualComponentsLib/MyDropDownList.Designer.cs
generated
26
COP/VisualComponentsLib/MyDropDownList.Designer.cs
generated
@ -28,32 +28,32 @@
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/// </summary>
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private void InitializeComponent()
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{
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this.comboBox = new System.Windows.Forms.ComboBox();
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this.dropDownList = new System.Windows.Forms.ComboBox();
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this.SuspendLayout();
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//
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// comboBox
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// dropDownList
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//
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this.comboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
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this.comboBox.FormattingEnabled = true;
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this.comboBox.Location = new System.Drawing.Point(3, 3);
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this.comboBox.Name = "comboBox";
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this.comboBox.Size = new System.Drawing.Size(187, 24);
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this.comboBox.TabIndex = 0;
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this.comboBox.SelectedValueChanged += new System.EventHandler(this.comboBox_SelectedValueChanged);
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this.dropDownList.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
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this.dropDownList.FormattingEnabled = true;
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this.dropDownList.Location = new System.Drawing.Point(3, 3);
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this.dropDownList.Name = "dropDownList";
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this.dropDownList.Size = new System.Drawing.Size(187, 24);
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this.dropDownList.TabIndex = 0;
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this.dropDownList.SelectedValueChanged += new System.EventHandler(this.comboBox_SelectedValueChanged);
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//
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// MyDropDownList
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//
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this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
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this.Controls.Add(this.comboBox);
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this.Controls.Add(this.dropDownList);
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this.Name = "MyDropDownList";
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this.Size = new System.Drawing.Size(800, 450);
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this.Size = new System.Drawing.Size(193, 30);
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this.ResumeLayout(false);
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this.PerformLayout();
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}
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#endregion
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private System.Windows.Forms.ComboBox comboBox;
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private System.Windows.Forms.ComboBox dropDownList;
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}
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}
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@ -23,54 +23,39 @@ namespace VisualComponentsLib
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{
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return;
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}
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comboBox.Items.AddRange(Values.ToArray());
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dropDownList.Items.AddRange(Values.ToArray());
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}
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//Отдельный публичный метод отчистки списка.
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public void Clear()
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{
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comboBox.Items.Clear();
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dropDownList.Items.Clear();
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}
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//публичное свойство(set, get) для установки и получения выбранного значения (возвращает пустую строку, если нет выбранного значения)
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public string SelectedValue
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{
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get
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{
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if (comboBox.Items.Count == 0)
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if (dropDownList.Items.Count == 0)
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{
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return "";
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}
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if (comboBox.SelectedItem == null)
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if (dropDownList.SelectedItem == null)
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{
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return "";
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}
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return comboBox.SelectedItem.ToString();
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return dropDownList.SelectedItem.ToString();
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}
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set
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{
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if (comboBox.Items.Contains(value))
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if (dropDownList.Items.Contains(value))
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{
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comboBox.SelectedItem = value;
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}
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dropDownList.SelectedItem = value;
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}
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}
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private EventHandler _event;
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public event EventHandler Event
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{
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add
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{
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_event += value;
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}
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remove
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{
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_event -= value;
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}
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}
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//событие, вызываемое при смене значения в ComboBox.
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private void comboBox_SelectedValueChanged(object sender, EventArgs e)
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{
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_event?.Invoke(sender, e);
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if (dropDownList.BackColor == Color.LightGreen) dropDownList.BackColor = Color.Tomato;
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else dropDownList.BackColor = Color.LightGreen;
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}
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}
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}
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78
COP/WinForms/Form1.Designer.cs
generated
78
COP/WinForms/Form1.Designer.cs
generated
@ -28,12 +28,82 @@
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/// </summary>
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private void InitializeComponent()
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{
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this.components = new System.ComponentModel.Container();
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
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this.ClientSize = new System.Drawing.Size(800, 450);
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this.Text = "Form1";
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dropDownList = new VisualComponentsLib.MyDropDownList();
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buttonAdd = new Button();
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buttonInfo = new Button();
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labelInfo = new Label();
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buttonClear = new Button();
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SuspendLayout();
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//
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// dropDownList
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//
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dropDownList.Location = new Point(3, 3);
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dropDownList.Margin = new Padding(3, 4, 3, 4);
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dropDownList.Name = "dropDownList";
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dropDownList.SelectedValue = "";
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dropDownList.Size = new Size(196, 36);
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dropDownList.TabIndex = 0;
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//
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// buttonAdd
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//
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buttonAdd.Location = new Point(3, 46);
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buttonAdd.Name = "buttonAdd";
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buttonAdd.Size = new Size(92, 29);
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buttonAdd.TabIndex = 1;
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buttonAdd.Text = "добавить";
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buttonAdd.UseVisualStyleBackColor = true;
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buttonAdd.Click += buttonAdd_Click;
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//
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// buttonInfo
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//
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buttonInfo.Location = new Point(211, 46);
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buttonInfo.Name = "buttonInfo";
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buttonInfo.Size = new Size(94, 29);
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buttonInfo.TabIndex = 2;
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buttonInfo.Text = "показать";
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buttonInfo.UseVisualStyleBackColor = true;
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buttonInfo.Click += buttonInfo_Click;
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//
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// labelInfo
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//
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labelInfo.AutoSize = true;
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labelInfo.Location = new Point(205, 9);
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labelInfo.Name = "labelInfo";
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labelInfo.Size = new Size(154, 20);
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labelInfo.TabIndex = 3;
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labelInfo.Text = "Выбранный элемент";
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//
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// buttonClear
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//
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buttonClear.Location = new Point(101, 46);
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buttonClear.Name = "buttonClear";
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buttonClear.Size = new Size(94, 29);
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buttonClear.TabIndex = 4;
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buttonClear.Text = "очистить";
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buttonClear.UseVisualStyleBackColor = true;
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buttonClear.Click += buttonClear_Click;
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//
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// Form1
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//
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AutoScaleDimensions = new SizeF(8F, 20F);
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AutoScaleMode = AutoScaleMode.Font;
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ClientSize = new Size(800, 450);
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Controls.Add(dropDownList);
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Controls.Add(buttonAdd);
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Controls.Add(buttonInfo);
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Controls.Add(labelInfo);
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Controls.Add(buttonClear);
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Name = "Form1";
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Text = "Form1";
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ResumeLayout(false);
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PerformLayout();
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}
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#endregion
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private VisualComponentsLib.MyDropDownList dropDownList;
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private Button buttonAdd;
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private Button buttonInfo;
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private Label labelInfo;
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private Button buttonClear;
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}
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}
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@ -2,9 +2,27 @@ namespace WinForms
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{
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public partial class Form1 : Form
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{
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List<string> list = new List<string>();
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public Form1()
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{
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list = new List<string>();
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list.AddRange(new string[] { "õëåá", "ìîëîêî", "êîëáàñà" });
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InitializeComponent();
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dropDownList.LoadValues(new List<string>() { "ñîê", "ÿáëîêî", "ëóê" });
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}
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private void buttonAdd_Click(object sender, EventArgs e)
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{
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dropDownList.LoadValues(list);
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}
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private void buttonInfo_Click(object sender, EventArgs e)
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{
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labelInfo.Text = dropDownList.SelectedValue;
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}
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private void buttonClear_Click(object sender, EventArgs e)
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{
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dropDownList.Clear();
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}
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}
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}
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@ -8,4 +8,8 @@
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\VisualComponentsLib\VisualComponentsLib.csproj" />
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</ItemGroup>
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</Project>
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