質問編集履歴
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add
test
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test
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@@ -204,6 +204,54 @@
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追記
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```C#
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ValidationContext vc = new ValidationContext(textbox);
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var validationResults = new Collection<ValidationResult>();
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bool result = false;
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result = TryValidateObject(textbox, vc, validationResults, result);
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if (!result)
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MessageBox.Show("Empty");
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public static bool TryValidateObject(
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object instance,
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ValidationContext validationContext,
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ICollection<ValidationResult> validationResults,
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bool validateAllProperties
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)
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{
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TextBox textbox = instance as TextBox;
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if (string.IsNullOrEmpty(textbox.Text)) return false;
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else return true;
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}
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```
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### 補足情報（FW/ツールのバージョンなど）
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Visual Studio 2015 Pro
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