private void btnUpdate_Click(object sender, EventArgs e)
{
ProgressDialog pd = null;
try
{
ItemClass item = this.comboBox1.SelectedItem as ItemClass;
if (item == null)
{
MessageBox.Show("请先选择要更新的图层", "提示");
return;
}
ItemClass fd_item = this.comboBox2.SelectedItem as ItemClass;
if (fd_item == null)
{
MessageBox.Show("请先选择要更新的字段", "提示");
return;
}
int totalWidth = 0;
int.TryParse(this.fd_totalWidth.Text, out totalWidth);
//
ILayer layer = item.Value as ILayer;
IFeatureLayer featLayer = layer as IFeatureLayer;
IFeatureClass fc = featLayer.FeatureClass;
//
string fdName = fd_item.Caption;
//
int fCount = fc.FeatureCount(null);
if (fCount > 0)
{
pd = new ProgressDialog();
pd.Text = "进度";
pd.Message = "自动补零前缀长度中......";
pd.Minimum = 0;
pd.Maximum = fCount;
pd.Show(this);
//
Application.DoEvents();
//
IFeatureCursor pcursor = fc.Update(null, false);
IFeature pf = pcursor.NextFeature();
int index = fc.FindField(fdName);
//
int n = 0;
while (pf != null)
{
n = n + 1;
if (n % 200 == 0)
{
pd.Value = n;
pd.Message = "自动补零前缀长度中......" + pd.Value.ToString() + "/" + pd.Maximum.ToString();
Application.DoEvents();
pcursor.Flush();
}
object v = pf.get_Value(index);
if (v != null)
{
string prex = v.ToString();
if (cb_IsPreAdd0.Checked == true)
{ //是向前补0 10->00010
prex = prex.PadLeft(totalWidth, '0');
}
else
{ //是向后补0 10->10000
prex = prex.PadRight(totalWidth, '0');
}
pf.set_Value(index, prex);
pcursor.UpdateFeature(pf);
//
}
pf = pcursor.NextFeature();
}
pcursor.Flush();
if (pcursor != null)
{
TokayWorkspace.ComRelease(pcursor);
pcursor = null;
}
if (pd != null)
{
pd.Dispose();
pd = null;
}
MessageBox.Show("更新完毕！", "提示");
}
}
catch (Exception ee)
{
MessageBox.Show(ee.StackTrace, "提示");
}
finally
{
if (pd != null)
{
pd.Dispose();
pd = null;
}
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
ProgressDialog pd = null;
try
{
ItemClass item = this.comboBox1.SelectedItem as ItemClass;
if (item == null)
{
MessageBox.Show("请先选择要更新的图层", "提示");
return;
}
ItemClass fd_item = this.comboBox2.SelectedItem as ItemClass;
if (fd_item == null)
{
MessageBox.Show("请先选择要更新的字段", "提示");
return;
}
ILayer layer = item.Value as ILayer;
IFeatureLayer featLayer = layer as IFeatureLayer;
IFeatureClass fc = featLayer.FeatureClass;
//
string fdName = fd_item.Caption;
//
int fCount = fc.FeatureCount(null);
if (fCount > 0)
{
IFeatureCursor pcursor = fc.Update(null, false);
IFeature pf = pcursor.NextFeature();
int index = fc.FindField(fdName);
pd = new ProgressDialog();
pd.Text = "进度";
pd.Message = "更新字段索引Index中......";
pd.Minimum = 0;
pd.Maximum = fCount;
pd.Show(this);
int n = 0;
while (pf != null)
{
n = n + 1;
if (n % 200 == 0)
{
pd.Value = n;
pd.Message = "更新字段索引Index中......" + pd.Value.ToString() + "/" + pd.Maximum.ToString();
Application.DoEvents();
pcursor.Flush();
}
pf.set_Value(index, n);
pcursor.UpdateFeature(pf);
//
pf = pcursor.NextFeature();
}
pcursor.Flush();
if (pcursor != null)
{
TokayWorkspace.ComRelease(pcursor);
pcursor = null;
}
if (pd != null)
{
pd.Dispose();
pd = null;
}
MessageBox.Show("更新完毕！", "提示");
}
}
catch (Exception ee)
{
MessageBox.Show(ee.StackTrace, "提示");
}
finally
{
if (pd != null)
{
pd.Dispose();
pd = null;
}
}
}