Tag: Windows Forms

DataAnnotations Validation Attributes in Windows Forms

In this post, I’ll show how to use Data Annotation Validation attributes to perform validation in a Windows Forms Application. Data Annotation Validation attributes enable you to perform model validation simply by decorating class properties with validation attributes…

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DataGridView Password Column

Windows Forms have a few column types for DataGridView including DataGridViewTextBoxColumn, DataGridViewCheckBoxColumn, DataGridViewComboBoxColumn, DataGridViewImageColumn, DataGridViewButtonColumn and DataGridViewLinkColumn. You can also create custom columns for DataGridView by deriving from DataGridViewColumn or any of mentioned classes and provide a new…

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Two-way data-binding to Dynamic Object

Dynamic Object Two Way Data Binding

To create a Dynamic Object which you can use for two-way data-binding to Windows Forms control, you should derive from DynamicObject and also implement ICustomTypeDescriptor and INotifyPropertyChanged interface. DynamicObject: Deriving from DynamicObject provides a solution for specifying dynamic…

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Auto-hide menu in Windows Forms

Some times you need to make the menu of the form auto hide to provide more space for other controls on the form. To show and hide the menu, it’s enough to set its Visible property. But to…

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Prevent raising of Validating event of focused control when Closing the form

When you have an event handler for Validating event of a control, if the value of AutoValidate property of the form is set to anything different from Disabled, then Validating event will fire when you try to close…

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Make a Property Read-Only in PropertyGrid

Sometimes you want to make a property read-only in PropertyGrid based on some criteria at run-time. For example, let’s suppose you have a SampleClass containing two properties, Editable and StringProperty and you want to make StringProperty read-only if…

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