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				@@ -172,6 +172,11 @@ namespace GFGGame 
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				         } 
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				         private void OnClickBtnPlus() 
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				         { 
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				+            if (_ui.m_btnPlus.grayed) 
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				+            { 
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				+ 
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				+                return; 
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				+            } 
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				             if (_count < _maxCanBuy) 
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				             { 
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				                 _count += 1; 
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				@@ -181,6 +186,14 @@ namespace GFGGame 
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				         private void OnClickBtnMinus() 
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				         { 
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				+            if (_ui.m_btnMinus.grayed) 
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				+            { 
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				+                if (_count <= _minBuyCount) 
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				+                { 
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				+                    PromptController.Instance.ShowFloatTextPrompt("小于最低购买次数"); 
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				+                } 
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				+                return; 
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				+            } 
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				             _count -= 1; 
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				             _count = Math.Max(_minBuyCount, _count); 
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				             UpdateCost(); 
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				@@ -191,23 +204,23 @@ namespace GFGGame 
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				             if (_count <= _minBuyCount) 
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				             { 
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				-                _ui.m_btnMinus.enabled = false; 
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				+                _ui.m_btnMinus.grayed = true; 
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				             } 
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				             else 
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				             { 
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				-                _ui.m_btnMinus.enabled = true; 
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				+                _ui.m_btnMinus.grayed = false; 
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				             } 
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				             if (_count >= _maxCanBuy) 
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				             { 
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				-                _ui.m_btnPlus.enabled = false; 
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				-                _ui.m_btnAll.enabled = false; 
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				+                _ui.m_btnPlus.grayed = true; 
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				+                _ui.m_btnAll.grayed = true; 
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				             } 
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				             else 
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				             { 
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				-                _ui.m_btnPlus.enabled = true; 
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				-                _ui.m_btnAll.enabled = true; 
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				+                _ui.m_btnPlus.enabled = false; 
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				+                _ui.m_btnAll.enabled = false; 
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				             } 
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				         } 
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