private void 一个视图ToolStripMenuItem_Click(object sender, EventArgs e)//到上一个视图
{
IExtentStack pExtentStack = axMapControl1.ActiveView.ExtentStack;
if (pExtentStack.CanUndo())
{
pExtentStack.Undo(); //转到上一个视图
后一个视图ToolStripMenuItem.Enabled = true; //此时后一个视图存在，后一个视图按钮变为可按
if (!pExtentStack.CanUndo())
{
一个视图ToolStripMenuItem.Enabled = false; //如果上一个视图不存在，则上一个视图这个按钮变为不可用。
}
}
axMapControl1.ActiveView.Refresh();
}
private void unDoMenuItem_Click(object sender, EventArgs e)
{
IExtentStack pExtentStack = m_mapControl.ActiveView.ExtentStack;
//判断是否可以回到前一视图，第一个视图没有前视图
if (pExtentStack.CanUndo())
{
pExtentStack.Undo();
reDoMenuItem.Enabled = true; //后一视图按钮可以使用
if (!pExtentStack.CanUndo())
{
unDoMenuItem.Enabled = false; //前一视图按钮不能使用
}
}
m_mapControl.ActiveView.Refresh();
}
public override void Run(object sender, System.EventArgs e)
{
IMap2DView mapView = UCService.GetContent(typeof(Map2DView)) as Map2DView;
if (mapView == null)
{
return;
}
bool bBind = mapView.Bind(this);
if (!bBind)
{
return;
}
DF2DApplication app = DF2DApplication.Application;
if (app == null || app.Current2DMapControl == null)
{
return;
}
IExtentStack pExtentStack = app.Current2DMapControl.ActiveView.ExtentStack;
if (pExtentStack.CanUndo())
{
pExtentStack.Undo();
}
app.Current2DMapControl.ActiveView.Refresh();
}
private void MapPreviousExtent()
{
IExtentStack pExtentStack = axMapControl1.ActiveView.ExtentStack;
if (pExtentStack.CanUndo())
{
pExtentStack.Undo();
}
}
public override void OnClick()
{
IActiveView focusMap = (IActiveView)_context.FocusMap;
IExtentStack extentStack = focusMap.ExtentStack;
if (extentStack.CanUndo())
{
extentStack.Undo();
focusMap.Refresh();
}
}
public bool IsValid(object caller, ICSharpCode.Core.Condition condition)
{
DF2DApplication app = DF2DApplication.Application;
if (app == null || app.Current2DMapControl == null)
{
return(false);
}
IExtentStack pExtentStack = app.Current2DMapControl.ActiveView.ExtentStack;
return(pExtentStack.CanUndo());
}
public void OnClick()
{
//Get the active view
IActiveView pActiveView = (IActiveView)m_pHookHelper.FocusMap;
//Get the extent stack
IExtentStack pMapExtent = (IExtentStack)pActiveView.ExtentStack;
//Undo the extent view
if (pMapExtent.CanUndo())
{
pMapExtent.Undo();
}
}
private void barButtonItem34_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
IExtentStack pExtentStack = null;
pExtentStack = axMapControl1.ActiveView.ExtentStack;
if (pExtentStack.CanUndo())
{
pExtentStack.Undo();
}
axMapControl1.Refresh();
}
private void toolpreview_Click(object sender, EventArgs e)//前一视图
{
IExtentStack viewStack = null;
viewStack = axMapControl1.ActiveView.ExtentStack;
if (viewStack.CanUndo())
{
viewStack.Undo();
axMapControl1.Refresh();
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
else
{
MessageBox.Show("这已是最前视图", "提示", MessageBoxButtons.OK);
}
}