放大缩小等功能的实现.doc

AE+C#实现缩放坐标比例尺长度面积量测输出图片等功能 代码如下： #region 工具条按钮??????? //拉框放大??????? private void toolStripButton_Zoomin_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 拉框放大;??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerZoomIn;??????? }??????? //拉框缩小??????? private void toolStripButton_Zoomout_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 拉框缩小;??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerZoomOut;??????? }??????? //平移??????? private void toolStripButton_Pan_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 平移漫游;??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerPan;??????? }??????? //全图??????? private void toolStripButton_FullExtent_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 全图显示;??????????? axMapControl1.Extent = axMapControl1.FullExtent;??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;??????? }??????? //上一视图??????? private void toolStripButton_LastExtent_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 上一视图;??????????? IExtentStack pExtentStack = null;??????????? pExtentStack = axMapControl1.ActiveView.ExtentStack;??????????? if (pExtentStack.CanUndo())??????????????? pExtentStack.Undo();??????????? axMapControl1.Refresh();??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;??????? }??????? //下一视图??????? private void toolStripButton_NextExtent_Click(object sender, EventArgs e)??????? {??????????? currentoperation = 下一视图;??????????? IExtentStack pExtentStack = null;??????????? pExtentStack = axMapControl1.ActiveView.ExtentStack;??????????? if (pExtentStack.CanRedo())??????????????? pExtentStack.Redo();??????????? axMapControl1.Refresh();??????????? axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;??????? }??????? //中心放大??????? p