双缓存

HZH_Controls/HZH_Controls/Controls/LED/UCLEDNum.cs

@@ -53,6 +53,12 @@ namespace HZH_Controls.Controls
 
         public UCLEDNum()
         {
+            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
+            this.SetStyle(ControlStyles.DoubleBuffer, true);
+            this.SetStyle(ControlStyles.ResizeRedraw, true);
+            this.SetStyle(ControlStyles.Selectable, true);
+            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
+            this.SetStyle(ControlStyles.UserPaint, true);
             SizeChanged += LEDNum_SizeChanged;
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
             Size = new System.Drawing.Size(40, 70);

HZH_Controls/HZH_Controls/Controls/Roll/UCRollText.cs

@@ -109,6 +109,13 @@ namespace HZH_Controls.Controls
         Timer m_timer;
         public UCRollText()
         {
+            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
+            this.SetStyle(ControlStyles.DoubleBuffer, true);
+            this.SetStyle(ControlStyles.ResizeRedraw, true);
+            this.SetStyle(ControlStyles.Selectable, true);
+            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
+            this.SetStyle(ControlStyles.UserPaint, true);
+
             this.SizeChanged += UCRollText_SizeChanged;
             this.Size = new Size(450, 30);
             Text = "滚动文字";

HZH_Controls/Test/Form2.Designer.cs

@@ -181,7 +181,7 @@
             this.ucRollText1.Location = new System.Drawing.Point(843, 554);
             this.ucRollText1.MoveSleepTime = 50;
             this.ucRollText1.Name = "ucRollText1";
-            this.ucRollText1.RollStyle = HZH_Controls.Controls.RollStyle.LeftToRight;
+            this.ucRollText1.RollStyle = HZH_Controls.Controls.RollStyle.BackAndForth;
             this.ucRollText1.Size = new System.Drawing.Size(555, 30);
             this.ucRollText1.TabIndex = 23;
             //