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C# ControlBase.DragAndDrop_ShouldStartDrag方法代码示例

本文整理汇总了C#中Gwen.Control.ControlBase.DragAndDrop_ShouldStartDrag方法的典型用法代码示例。如果您正苦于以下问题:C# ControlBase.DragAndDrop_ShouldStartDrag方法的具体用法?C# ControlBase.DragAndDrop_ShouldStartDrag怎么用?C# ControlBase.DragAndDrop_ShouldStartDrag使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gwen.Control.ControlBase的用法示例。


在下文中一共展示了ControlBase.DragAndDrop_ShouldStartDrag方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ShouldStartDraggingControl

        private static bool ShouldStartDraggingControl( int x, int y )
        {
            // We're not holding a control down..
            if (m_LastPressedControl == null) 
                return false;

            // Not been dragged far enough
            int length = Math.Abs(x - m_LastPressedPos.X) + Math.Abs(y - m_LastPressedPos.Y);
            if (length < 5) 
                return false;

            // Create the dragging package

            CurrentPackage = m_LastPressedControl.DragAndDrop_GetPackage(m_LastPressedPos.X, m_LastPressedPos.Y);

            // We didn't create a package!
            if (CurrentPackage == null)
            {
                m_LastPressedControl = null;
                SourceControl = null;
                return false;
            }

            // Now we're dragging something!
            SourceControl = m_LastPressedControl;
            InputHandler.MouseFocus = null;
            m_LastPressedControl = null;
            CurrentPackage.DrawControl = null;

            // Some controls will want to decide whether they should be dragged at that moment.
            // This function is for them (it defaults to true)
            if (!SourceControl.DragAndDrop_ShouldStartDrag())
            {
                SourceControl = null;
                CurrentPackage = null;
                return false;
            }

            SourceControl.DragAndDrop_StartDragging(CurrentPackage, m_LastPressedPos.X, m_LastPressedPos.Y);

            return true;
        }
开发者ID:WardBenjamin,项目名称:gwen-dotnet,代码行数:42,代码来源:DragAndDrop.cs


注:本文中的Gwen.Control.ControlBase.DragAndDrop_ShouldStartDrag方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。