+= new System.EventHandler(this. #region Windows Form Designer generated code The Visual Studio Image Library contains application images that appear in Microsoft Visual Studio, Microsoft Windows, the Office system and other Microsoft software. Protected override void Dispose( bool disposing ) When the user moves the mouse pointer over the icon, an error message pops up as a ToolTip. The icon flashes in the manner specified by BlinkStyle, at the rate specified by BlinkRate. If an error description string is specified for the control, an icon appears next to the control. The ErrorProvider component can set a small icon next to a field when it contains an error. ErrorProvider presents a simple mechanism for indicating to the end user that a control on a form has an error associated with it. The result is illustrated below: C VB. In this event, a custom icon () is provided when the error type is set to ErrorType.User1. NET toolbox is useful when youre showing validation-related error messages to the user. How to: Supply Custom Error Icon for Editor The following example shows how to supply a custom error icon via the DXErrorProvider.GetErrorIcon event. TODO: InitializeComponent 呼び出しの後に、コンストラクタ コードを追加してください。 The ErrorProvider component in the Visual Studio. The form looks like this: Now select the ErrorProvider control and press F4 to set the the following property of the ErrorProvider. To display the dataset column error, invoke the SetColumnError method of the ErrorProvider. You need to set the DataSource, DataMember, and ContainerControl properties of the ErrorProvider control to set the error for a databound control. Private void OnCheck(object sender, System.EventArgs e) (Visual C, Visual C++) Place the following code in the form's constructor to register the event handler. You can also display errors that occur in DataSets.
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