From 6a07c4c846ffbb1e93afdf0260e123e4c145f419 Mon Sep 17 00:00:00 2001
From: tangxu <tangxu76880903>
Date: 星期二, 22 十月 2024 10:00:27 +0800
Subject: [PATCH] 添加viewModel

---
 WinFrmUI/DPumpHydr.WinFrmUI.RLT/Controls/TextBoxEdit/MaterialTextBoxEdit.cs |   19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)

diff --git a/WinFrmUI/DPumpHydr.WinFrmUI.RLT/Controls/TextBoxEdit/MaterialTextBoxEdit.cs b/WinFrmUI/DPumpHydr.WinFrmUI.RLT/Controls/TextBoxEdit/MaterialTextBoxEdit.cs
index cf97e19..9233b5e 100644
--- a/WinFrmUI/DPumpHydr.WinFrmUI.RLT/Controls/TextBoxEdit/MaterialTextBoxEdit.cs
+++ b/WinFrmUI/DPumpHydr.WinFrmUI.RLT/Controls/TextBoxEdit/MaterialTextBoxEdit.cs
@@ -31,7 +31,11 @@
         [Browsable(false)]
         public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
 
-        public bool Focus()
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public new bool Focus()
         {
             return baseTextBox.Focus();
         }
@@ -114,6 +118,19 @@
             }
         }
 
+        [Category("Material"), DefaultValue(""), Localizable(true), Description("Helper text conveys additional guidance about the input field, such as how it will be used.")]
+        public string NullValuePromptText
+        {
+            get => _nullValuePromptText;
+            set
+            {
+                _nullValuePromptText = value;
+                Invalidate();
+            }
+        }
+        private string _nullValuePromptText;
+
+
         private string _errorMessage;
 
         [Category("Material"), DefaultValue(""), Localizable(true), Description("When text input isn't accepted, an error message can display instructions on how to fix it. Error messages are displayed below the input line, replacing helper text until fixed.")]

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