I use both mapwindows4.8.6 and mapwingis4.8 to label the china city names. When the number of the city name is small, it seems work fine. But when I have to deel with many city names, always it will crash after the program run a few time(like just zoomin and zoomout quickly for a few time).
In this page, gischai's last modify seems try to fix the problem I have now, but the edition he fixed is not mentioned, so I have no idea how to fix it in the mapwingis4.8.
http://www.mapwindow.org/phorum/read.php?7,12162,page=1
_(2)、MapWindow\Data\Vectors\internal\Shapefiles\AttribuTable.cs
修改了ReadTableHeader(BinaryReader reader)函数
将以下3行：
read the field name
char[] buffer = new char[11];
buffer = reader.ReadChars(11);
string name = new string(buffer);
修改为：
byte[] buffer = new byte[11];
buffer = reader.ReadBytes(11);//如果不这样做，就会在后面的读取中，造成读取移位，出错。
string name = System.Text.Encoding.Default.GetString(buffer);
//这样就可以正确读取dbf文件中各字段的中文信息了。_
At last, I attached the shp file， wish it can help to find the bug.
Comments: ** Comment from web user: pmeems **
In this page, gischai's last modify seems try to fix the problem I have now, but the edition he fixed is not mentioned, so I have no idea how to fix it in the mapwingis4.8.
http://www.mapwindow.org/phorum/read.php?7,12162,page=1
_(2)、MapWindow\Data\Vectors\internal\Shapefiles\AttribuTable.cs
修改了ReadTableHeader(BinaryReader reader)函数
将以下3行：
read the field name
char[] buffer = new char[11];
buffer = reader.ReadChars(11);
string name = new string(buffer);
修改为：
byte[] buffer = new byte[11];
buffer = reader.ReadBytes(11);//如果不这样做，就会在后面的读取中，造成读取移位，出错。
string name = System.Text.Encoding.Default.GetString(buffer);
//这样就可以正确读取dbf文件中各字段的中文信息了。_
At last, I attached the shp file， wish it can help to find the bug.
Comments: ** Comment from web user: pmeems **
Hi Robin,
I don't believe it is necessary to call Marshal.releaseComObject(). The garbage collector is taking care of it.
I'm still not sure why you experience the problem you describe. The memory shouldn't be the problem since your shapefile isn't that large. It might be some issues on your system.
BTW. You might want to look at [GreenShot](http://getgreenshot.org/) to easily take better looking screen shots.