public override object EditValue(ITypeDescriptorContext context, System.IServiceProvider provider, object value)
{
IWindowsFormsEditorService svc = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
Foo foo = value as Foo;
if (svc != null && foo != null)
{
using (FooForm form = new FooForm())
{
form.Value = foo.Bar;
if (svc.ShowDialog(form) == DialogResult.OK)
{
foo.Bar = form.Value; // update object
}
}
}
return(value); // can also replace the wrapper object here
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
var svc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
string text = value as string;
if (svc != null && text != null)
{
using (FooForm form = new FooForm())
{
form.Value = text;
if (svc.ShowDialog(form) == DialogResult.OK)
{
return(form.Value);
}
}
}
return(value);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
var svc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
MyType myType = value as MyType;
if (svc != null && myType != null)
{
using (FooForm form = new FooForm())
{
form.Value = myType.Bar;
if (svc.ShowDialog(form) == DialogResult.OK)
{
myType.Bar = form.Value; // update object
}
}
}
return(value);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
var svc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
Foo foo = value as Foo;
if (svc != null && foo != null)
{
using (FooForm form = new FooForm())
{
form.Value = foo.Value;
if (svc.ShowDialog(form) == DialogResult.OK)
{
// Updates the value of the property Value
// of the property we're editing.
foo.Value = form.Value;
}
}
}
// In this case we simply return the original property
// value, the property itself hasn't been changed because
// we updated the value of an inner property
return(value);
}
private Task OnValidSetError(EditContext context)
{
FooForm.SetError <Foo>(f => f.Name, "数据库中已存在");
return(Task.CompletedTask);
}
