AE 放大缩小平移

//固定比例放大

private void btnZoomIn_Click(object sender, EventArgs e)
{

IEnvelope pEnvelope = axMapControl1.Extent;

pEnvelope.Expand(0.75, 0.75, true);
axMapControl1.Extent = pEnvelope;
}

//工具放大

/// <summary>
/// 放大
/// </summary>
public void ZoomIn()
{
ESRI.ArcGIS.SystemUI.ICommand pCommand = new ControlsMapZoomInToolClass();
pCommand.OnCreate(MainMapControl);
MainMapControl.CurrentTool = pCommand as ITool;
}

 

 

//固定比例缩小

private void btnZoomOut_Click(object sender, EventArgs e)
{

IEnvelope pEnvelope = axMapControl1.Extent;
pEnvelope.Expand(1.25, 1.25, true);
axMapControl1.Extent = pEnvelope;
}

 

/// <summary>
/// 缩小
/// </summary>
public void ZoomOut()
{
ESRI.ArcGIS.SystemUI.ICommand pCommand = new ControlsMapZoomOutToolClass();
pCommand.OnCreate(MainMapControl);
MainMapControl.CurrentTool = pCommand as ITool;
}

 

/// <summary>
/// 平移
/// </summary>
private void Pan()
{
ESRI.ArcGIS.SystemUI.ICommand command = new ControlsMapPanToolClass();
command.OnCreate(axMapControl1.Object);
if (command.Enabled == true)
{
axMapControl1.CurrentTool = (ITool)command;
}
}