思维导图默认节点颜色

HZH_Controls/HZH_Controls/Controls/FactoryControls/MindMapping/MindMappingItemEntity.cs

@@ -73,13 +73,13 @@ namespace HZH_Controls.Controls
         /// <summary>
         /// The back color
         /// </summary>
-        private Color backColor = Color.Transparent;
+        private Color? backColor;
 
         /// <summary>
         /// Gets or sets the color of the back.
         /// </summary>
         /// <value>The color of the back.</value>
-        public Color BackColor
+        public Color? BackColor
         {
             get { return backColor; }
             set { backColor = value; }

HZH_Controls/HZH_Controls/Controls/FactoryControls/MindMapping/UCMindMapping.cs

@@ -31,6 +31,18 @@ namespace HZH_Controls.Controls
     /// <seealso cref="System.Windows.Forms.UserControl" />
     internal class UCMindMapping : UserControl
     {
+        private Color itemBackcolor = Color.FromArgb(255, 77, 59);
+
+        [Description("节点背景色，优先级小于数据源中设置的背景色"), Category("自定义")]
+        public Color ItemBackcolor
+        {
+            get { return itemBackcolor; }
+            set
+            {
+                itemBackcolor = value;
+                Refresh();
+            }
+        }
         /// <summary>
         /// The line color
         /// </summary>
@@ -255,7 +267,11 @@ namespace HZH_Controls.Controls
             var size = g.MeasureString(item.Text, item.Font);
             item.DrawRectangle = new RectangleF(item.WorkingRectangle.Left + 2, item.WorkingRectangle.Top + (item.WorkingRectangle.Height - size.Height) / 2 + 2, size.Width + 4, size.Height + 4);
             GraphicsPath drawPath = item.DrawRectangle.CreateRoundedRectanglePath(5);
-            g.FillPath(new SolidBrush(item.BackColor), drawPath);
+            if (item.BackColor.HasValue)
+                g.FillPath(new SolidBrush(item.BackColor.Value), drawPath);
+            else
+                g.FillPath(new SolidBrush(itemBackcolor), drawPath);
+
             g.DrawString(item.Text, item.Font, new SolidBrush(item.ForeColor), item.DrawRectangle.Location.X + 2, item.DrawRectangle.Location.Y + 2);
             //子节点
             if (item.Childrens != null && item.IsExpansion)

HZH_Controls/HZH_Controls/Controls/FactoryControls/MindMapping/UCMindMappingPanel.cs

@@ -31,6 +31,19 @@ namespace HZH_Controls.Controls
     /// <seealso cref="System.Windows.Forms.UserControl" />
     public partial class UCMindMappingPanel : UserControl
     {
+
+        private Color itemBackcolor = Color.FromArgb(255, 77, 59);
+
+        [Description("节点背景色，优先级小于数据源中设置的背景色"), Category("自定义")]
+        public Color ItemBackcolor
+        {
+            get { return itemBackcolor; }
+            set
+            {
+                itemBackcolor = value;
+                this.ucMindMapping1.ItemBackcolor = value;
+            }
+        }
         /// <summary>
         /// The data source
         /// </summary>

HZH_Controls/Test/Form5.cs

@@ -25,8 +25,7 @@ namespace Test
                 {
                     ID = "1",
                     Text = "根节点超长占位符超长占位符超长占位符超长占位符\n节点1",
-                    BackColor = Color.Red,
-                    ForeColor = Color.White,
+                                      ForeColor = Color.White,
                     IsExpansion = true
                 };
                 MindMappingItemEntity[] cs1 = new MindMappingItemEntity[5];
@@ -36,7 +35,7 @@ namespace Test
                     {
                         ID = "1_" + i,
                         Text = "子节点\n节点1_" + i + ((i % 2) == 0 ? "超长占位符超长占位符" : "超长占位符超长占位符超长占位符超长占位符"),
-                        BackColor = Color.Red,
+                      
                         ForeColor = Color.White,
                         IsExpansion = (i % 2) == 0
                     };
@@ -47,7 +46,7 @@ namespace Test
                         {
                             ID = "1_" + i + "_" + j,
                             Text = "孙节点\n节点1_" + i + "_" + j + ((j % 2) == 0 ? "超长占位符超长占位符" : "超长占位符超长占位符超长占位符超长占位符"),
-                            BackColor = Color.Red,
+                            BackColor = Color.Green,
                             ForeColor = Color.White
                         };
                     }