标签:map Activate Layout C# How ActiveMapFrame LayoutView Active null
internal class ActivateMapFrameBtn: Button { protected override void OnClick() { //1. must be on the GUI - dont switch to QueuedTask //2. Layout view must be active! if (LayoutView.Active == null) return; //3. LayoutView.Active.ActiveMapFrame is the frame that will // be activated var map_frameName = "Map Frame"; if (LayoutView.Active.ActiveMapFrame == null || LayoutView.Active.ActiveMapFrame.Name != map_frameName) { //simply select it to make it the active one var selFrame = LayoutView.Active.Layout.GetElementsAsFlattenedList() .OfType<MapFrame>().FirstOrDefault(mf => mf.Name == map_frameName); if (selFrame == null) return; //not found LayoutView.Active.Layout.SelectElement(selFrame); } //4. Does the ActiveMapFrame have a valid map? if (LayoutView.Active.ActiveMapFrame?.Map == null) return; //invalid map frame - probably empty //esri_layouts_activateMap - activate //esri_layouts_deactivateMap - deactivate //Do the activation var plugin = FrameworkApplication.GetPlugInWrapper("esri_layouts_activateMap") as System.Windows.Input.ICommand; if (plugin.CanExecute(null)) plugin.Execute(null); } }
标签:map,Activate,Layout,C#,How,ActiveMapFrame,LayoutView,Active,null 来源: https://www.cnblogs.com/gisoracle/p/16686715.html
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