本文整理匯總了C#中System.Windows.Forms.Control.QueryContinueDrag事件的典型用法代碼示例。如果您正苦於以下問題：C# Control.QueryContinueDrag事件的具體用法？C# Control.QueryContinueDrag怎麽用？C# Control.QueryContinueDrag使用的例子？那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。
在下文中一共展示了Control.QueryContinueDrag事件的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: ListDragSource_QueryContinueDrag
private void ListDragSource_QueryContinueDrag(object sender, System.Windows.Forms.QueryContinueDragEventArgs e) {
// Cancel the drag if the mouse moves off the form.
ListBox lb = sender as ListBox;
if (lb != null) {
Form f = lb.FindForm();
// Cancel the drag if the mouse moves off the form. The screenOffset
// takes into account any desktop bands that may be at the top or left
// side of the screen.
if (((Control.MousePosition.X - screenOffset.X) < f.DesktopBounds.Left) ||
((Control.MousePosition.X - screenOffset.X) > f.DesktopBounds.Right) ||
((Control.MousePosition.Y - screenOffset.Y) < f.DesktopBounds.Top) ||
((Control.MousePosition.Y - screenOffset.Y) > f.DesktopBounds.Bottom)) {
e.Action = DragAction.Cancel;
}
}
}