* UIEditForm：增加按钮事件

SunnyUI/Charts/UIBarChart.cs

@@ -55,6 +55,12 @@ namespace Sunny.UI
                 max = 0;
             }
 
+            if ((max - min).IsZero())
+            {
+                max = 100;
+                min = 0;
+            }
+
             UIChartHelper.CalcDegreeScale(min, max, o.YAxis.SplitNumber,
                 out int start, out int end, out double interval);
 

SunnyUI/Forms/UIEditForm.cs

@@ -36,6 +36,9 @@ namespace Sunny.UI
 
         public bool IsOK { get; private set; }
 
+        public event EventHandler ButtonOkClick;
+        public event EventHandler ButtonCancelClick;
+
         protected void btnOK_Click(object sender, EventArgs e)
         {
             if (!CheckData())
@@ -43,16 +46,30 @@ namespace Sunny.UI
                 return;
             }
 
-            DialogResult = DialogResult.OK;
+            if (ButtonOkClick != null)
-            IsOK = true;
+            {
-            Close();
+                ButtonOkClick.Invoke(sender,e);
+            }
+            else
+            {
+                DialogResult = DialogResult.OK;
+                IsOK = true;
+                Close();
+            }
         }
 
         private void btnCancel_Click(object sender, EventArgs e)
         {
-            DialogResult = DialogResult.Cancel;
+            if (ButtonCancelClick != null)
-            IsOK = false;
+            {
-            Close();
+                ButtonCancelClick.Invoke(sender,e);
+            }
+            else
+            {
+                DialogResult = DialogResult.Cancel;
+                IsOK = false;
+                Close();
+            }
         }
 
         protected virtual bool CheckData()