本文整理汇总了C#中ESRI.FeatureCount方法的典型用法代码示例。如果您正苦于以下问题:C# ESRI.FeatureCount方法的具体用法?C# ESRI.FeatureCount怎么用?C# ESRI.FeatureCount使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ESRI
的用法示例。
在下文中一共展示了ESRI.FeatureCount方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: EmptyFeatureClass
public bool? EmptyFeatureClass(ESRI.ArcGIS.Geodatabase.IFeatureClass FeatureClass)
{
ESRI.ArcGIS.Geodatabase.ITable featureClassTable = null;
try
{
// Determine the number of features in the Feature Class.
int startingFeatureCount = FeatureClass.FeatureCount(null);
// QI to the Feature Class Table and delete the records from it.
featureClassTable = (ESRI.ArcGIS.Geodatabase.ITable)FeatureClass;
featureClassTable.DeleteSearchedRows(null);
// Make sure all of the records were deleted.
if (featureClassTable.RowCount(null) != 0)
{
// Let the user know that the records could not be deleted.
if (ErrorMessage != null)
{
ErrorMessage("Could not delete the data from the Feature class!");
}
// Return FALSE to the calling method to indicate that the delete failed.
return false;
}
// Let the User know that the records were deleted.
if (ProcessMessage != null)
{
ProcessMessage(" - Deleted " + startingFeatureCount.ToString() + " features from the Feature Class...");
}
// If the process made it to here, it was successful so return TRUE to the calling method.
return true;
}
catch (System.Exception caught)
{
// Determine the Line Number from which the exception was thrown.
System.Diagnostics.StackTrace stackTrace = new System.Diagnostics.StackTrace(caught, true);
System.Diagnostics.StackFrame stackFrame = stackTrace.GetFrame(stackTrace.FrameCount - 1);
int lineNumber = stackFrame.GetFileLineNumber();
// Let the User know that this process failed.
if (ErrorMessage != null)
{
ErrorMessage("The MaintTools.FeatureClassUtilities.CompressFileGeoDB() Method failed with error message: " + caught.Message + " (Line: " + lineNumber.ToString() + ")!");
}
// Return NULL to the calling routine to indicate that this process failed.
return null;
}
finally
{
// If the Feature Class Table Object was Instantiated, close it.
if (featureClassTable != null)
{
featureClassTable = null;
}
}
}