private void MainForm_Load(object sender, EventArgs e)
{
//get the MapControl
m_mapControl = (IMapControl3)axMapControl1.Object;
//disable the Save menu (since there is no document yet)
menuSaveDoc.Enabled = false;
if (m_mapControl.CheckMxFile(mxdPath))
{
m_mapControl.LoadMxFile(mxdPath);
}
}
/// <summary>
/// Occurs when this tool is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add OpenTool.OnClick implementation
OpenFileDialog OpenMXD = new OpenFileDialog(); //可实例化类
OpenMXD.Title = "打开地图"; // OpenFileDialog类的属性Title
OpenMXD.Multiselect = false;
OpenMXD.Filter = "Map Documents (*.mxd)|*.mxd";
if (OpenMXD.ShowDialog() == DialogResult.OK) //ShowDialog是类的方法
{
string docName = OpenMXD.FileName;
IMapDocument pMapDoc = new MapDocumentClass();
if (pMapDoc.get_IsPresent(docName) && !pMapDoc.get_IsPasswordProtected(docName))
{
pMapControl.LoadMxFile(OpenMXD.FileName, null, null);
pMapControl.ActiveView.Refresh();
pMapDoc.Close();
}
}
}