1 компонент

COP/VisualComponentsLib/MyDropDownList.Designer.cs

@@ -28,32 +28,32 @@
         /// </summary>
         private void InitializeComponent()
         {
-			this.comboBox = new System.Windows.Forms.ComboBox();
+			this.dropDownList = new System.Windows.Forms.ComboBox();
 			this.SuspendLayout();
 			// 
-			// comboBox
+			// dropDownList
 			// 
-			this.comboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+			this.dropDownList.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-			this.comboBox.FormattingEnabled = true;
+			this.dropDownList.FormattingEnabled = true;
-			this.comboBox.Location = new System.Drawing.Point(3, 3);
+			this.dropDownList.Location = new System.Drawing.Point(3, 3);
-			this.comboBox.Name = "comboBox";
+			this.dropDownList.Name = "dropDownList";
-			this.comboBox.Size = new System.Drawing.Size(187, 24);
+			this.dropDownList.Size = new System.Drawing.Size(187, 24);
-			this.comboBox.TabIndex = 0;
+			this.dropDownList.TabIndex = 0;
-			this.comboBox.SelectedValueChanged += new System.EventHandler(this.comboBox_SelectedValueChanged);
+			this.dropDownList.SelectedValueChanged += new System.EventHandler(this.comboBox_SelectedValueChanged);
 			// 
 			// MyDropDownList
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.Controls.Add(this.comboBox);
+			this.Controls.Add(this.dropDownList);
 			this.Name = "MyDropDownList";
-			this.Size = new System.Drawing.Size(800, 450);
+			this.Size = new System.Drawing.Size(193, 30);
 			this.ResumeLayout(false);
-			this.PerformLayout();
+
 		}
 
 		#endregion
 
-		private System.Windows.Forms.ComboBox comboBox;
+		private System.Windows.Forms.ComboBox dropDownList;
 	}
 }

COP/VisualComponentsLib/MyDropDownList.cs

@@ -23,54 +23,39 @@ namespace VisualComponentsLib
 			{
 				return;
 			}
-			comboBox.Items.AddRange(Values.ToArray());
+			dropDownList.Items.AddRange(Values.ToArray());
 		}
-		//Отдельный публичный метод отчистки списка.
 		public void Clear()
 		{
-			comboBox.Items.Clear();
+			dropDownList.Items.Clear();
 		}
 
-		//публичное свойство(set, get) для установки и получения выбранного значения (возвращает пустую строку, если нет выбранного значения)
 		public string SelectedValue
 		{
 			get
 			{
-				if (comboBox.Items.Count == 0)
+				if (dropDownList.Items.Count == 0)
 				{
 					return "";
 				}
-				if (comboBox.SelectedItem == null)
+				if (dropDownList.SelectedItem == null)
 				{
 					return "";
 				}
-				return comboBox.SelectedItem.ToString();
+				return dropDownList.SelectedItem.ToString();
 			}
 			set
 			{
-				if (comboBox.Items.Contains(value))
+				if (dropDownList.Items.Contains(value))
 				{
-					comboBox.SelectedItem = value;
+					dropDownList.SelectedItem = value;
 				}
-
 			}
 		}
-		private EventHandler _event;
-		public event EventHandler Event
-		{
-			add
-			{
-				_event += value;
-			}
-			remove
-			{
-				_event -= value;
-			}
-		}
-		//событие, вызываемое при смене значения в ComboBox.
 		private void comboBox_SelectedValueChanged(object sender, EventArgs e)
 		{
-			_event?.Invoke(sender, e);
+			if (dropDownList.BackColor == Color.LightGreen) dropDownList.BackColor = Color.Tomato;
+			else dropDownList.BackColor = Color.LightGreen;
 		}
 	}
 }

COP/WinForms/Form1.Designer.cs

@@ -28,12 +28,82 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
-			this.components = new System.ComponentModel.Container();
+			dropDownList = new VisualComponentsLib.MyDropDownList();
-			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+			buttonAdd = new Button();
-			this.ClientSize = new System.Drawing.Size(800, 450);
+			buttonInfo = new Button();
-			this.Text = "Form1";
+			labelInfo = new Label();
+			buttonClear = new Button();
+			SuspendLayout();
+			// 
+			// dropDownList
+			// 
+			dropDownList.Location = new Point(3, 3);
+			dropDownList.Margin = new Padding(3, 4, 3, 4);
+			dropDownList.Name = "dropDownList";
+			dropDownList.SelectedValue = "";
+			dropDownList.Size = new Size(196, 36);
+			dropDownList.TabIndex = 0;
+			// 
+			// buttonAdd
+			// 
+			buttonAdd.Location = new Point(3, 46);
+			buttonAdd.Name = "buttonAdd";
+			buttonAdd.Size = new Size(92, 29);
+			buttonAdd.TabIndex = 1;
+			buttonAdd.Text = "добавить";
+			buttonAdd.UseVisualStyleBackColor = true;
+			buttonAdd.Click += buttonAdd_Click;
+			// 
+			// buttonInfo
+			// 
+			buttonInfo.Location = new Point(211, 46);
+			buttonInfo.Name = "buttonInfo";
+			buttonInfo.Size = new Size(94, 29);
+			buttonInfo.TabIndex = 2;
+			buttonInfo.Text = "показать";
+			buttonInfo.UseVisualStyleBackColor = true;
+			buttonInfo.Click += buttonInfo_Click;
+			// 
+			// labelInfo
+			// 
+			labelInfo.AutoSize = true;
+			labelInfo.Location = new Point(205, 9);
+			labelInfo.Name = "labelInfo";
+			labelInfo.Size = new Size(154, 20);
+			labelInfo.TabIndex = 3;
+			labelInfo.Text = "Выбранный элемент";
+			// 
+			// buttonClear
+			// 
+			buttonClear.Location = new Point(101, 46);
+			buttonClear.Name = "buttonClear";
+			buttonClear.Size = new Size(94, 29);
+			buttonClear.TabIndex = 4;
+			buttonClear.Text = "очистить";
+			buttonClear.UseVisualStyleBackColor = true;
+			buttonClear.Click += buttonClear_Click;
+			// 
+			// Form1
+			// 
+			AutoScaleDimensions = new SizeF(8F, 20F);
+			AutoScaleMode = AutoScaleMode.Font;
+			ClientSize = new Size(800, 450);
+			Controls.Add(dropDownList);
+			Controls.Add(buttonAdd);
+			Controls.Add(buttonInfo);
+			Controls.Add(labelInfo);
+			Controls.Add(buttonClear);
+			Name = "Form1";
+			Text = "Form1";
+			ResumeLayout(false);
+			PerformLayout();
 		}
 
 		#endregion
+		private VisualComponentsLib.MyDropDownList dropDownList;
+		private Button buttonAdd;
+		private Button buttonInfo;
+		private Label labelInfo;
+		private Button buttonClear;
 	}
 }

COP/WinForms/Form1.cs

@@ -2,9 +2,27 @@ namespace WinForms
 {
 	public partial class Form1 : Form
 	{
+		List<string> list = new List<string>();
 		public Form1()
 		{
+			list = new List<string>();
+			list.AddRange(new string[] { "õëåá", "ìîëîêî", "êîëáàñà" });
 			InitializeComponent();
+			dropDownList.LoadValues(new List<string>() { "ñîê", "ÿáëîêî", "ëóê" });
+		}
+		private void buttonAdd_Click(object sender, EventArgs e)
+		{
+			dropDownList.LoadValues(list);
+		}
+
+		private void buttonInfo_Click(object sender, EventArgs e)
+		{
+			labelInfo.Text = dropDownList.SelectedValue;
+		}
+
+		private void buttonClear_Click(object sender, EventArgs e)
+		{
+			dropDownList.Clear();
 		}
 	}
 }

COP/WinForms/WinForms.csproj

@@ -8,4 +8,8 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\VisualComponentsLib\VisualComponentsLib.csproj" />
+  </ItemGroup>
+
 </Project>